id	sid	tid	token	lemma	pos
en-wikipedia-org-1629	1	1	Double	double	JJ
en-wikipedia-org-1629	1	2	-	-	HYPH
en-wikipedia-org-1629	1	3	spending	spending	NN
en-wikipedia-org-1629	1	4	-	-	HYPH
en-wikipedia-org-1629	1	5	Wikipedia	Wikipedia	NNP
en-wikipedia-org-1629	1	6	Double	double	JJ
en-wikipedia-org-1629	1	7	-	-	HYPH
en-wikipedia-org-1629	1	8	spending	spending	NN
en-wikipedia-org-1629	1	9	From	from	IN
en-wikipedia-org-1629	1	10	Wikipedia	Wikipedia	NNP
en-wikipedia-org-1629	1	11	,	,	,
en-wikipedia-org-1629	1	12	the	the	DT
en-wikipedia-org-1629	1	13	free	free	JJ
en-wikipedia-org-1629	1	14	encyclopedia	encyclopedia	NN
en-wikipedia-org-1629	1	15	Jump	Jump	NNP
en-wikipedia-org-1629	1	16	to	to	IN
en-wikipedia-org-1629	1	17	navigation	navigation	NN
en-wikipedia-org-1629	1	18	Jump	Jump	NNP
en-wikipedia-org-1629	1	19	to	to	TO
en-wikipedia-org-1629	1	20	search	search	VB
en-wikipedia-org-1629	1	21	Failure	failure	NN
en-wikipedia-org-1629	1	22	mode	mode	NN
en-wikipedia-org-1629	1	23	of	of	IN
en-wikipedia-org-1629	1	24	digital	digital	JJ
en-wikipedia-org-1629	1	25	cash	cash	NN
en-wikipedia-org-1629	1	26	schemes	scheme	NNS
en-wikipedia-org-1629	1	27	Double	double	JJ
en-wikipedia-org-1629	1	28	-	-	HYPH
en-wikipedia-org-1629	1	29	spending	spending	NN
en-wikipedia-org-1629	1	30	is	be	VBZ
en-wikipedia-org-1629	1	31	a	a	DT
en-wikipedia-org-1629	1	32	potential	potential	JJ
en-wikipedia-org-1629	1	33	flaw	flaw	NN
en-wikipedia-org-1629	1	34	in	in	IN
en-wikipedia-org-1629	1	35	a	a	DT
en-wikipedia-org-1629	1	36	digital	digital	JJ
en-wikipedia-org-1629	1	37	cash	cash	NN
en-wikipedia-org-1629	1	38	scheme	scheme	NN
en-wikipedia-org-1629	1	39	in	in	IN
en-wikipedia-org-1629	1	40	which	which	WDT
en-wikipedia-org-1629	1	41	the	the	DT
en-wikipedia-org-1629	1	42	same	same	JJ
en-wikipedia-org-1629	1	43	single	single	JJ
en-wikipedia-org-1629	1	44	digital	digital	JJ
en-wikipedia-org-1629	1	45	token	token	NN
en-wikipedia-org-1629	1	46	can	can	MD
en-wikipedia-org-1629	1	47	be	be	VB
en-wikipedia-org-1629	1	48	spent	spend	VBN
en-wikipedia-org-1629	1	49	more	more	JJR
en-wikipedia-org-1629	1	50	than	than	IN
en-wikipedia-org-1629	1	51	once	once	RB
en-wikipedia-org-1629	1	52	.	.	.
en-wikipedia-org-1629	2	1	Unlike	unlike	IN
en-wikipedia-org-1629	2	2	physical	physical	JJ
en-wikipedia-org-1629	2	3	cash	cash	NN
en-wikipedia-org-1629	2	4	,	,	,
en-wikipedia-org-1629	2	5	a	a	DT
en-wikipedia-org-1629	2	6	digital	digital	JJ
en-wikipedia-org-1629	2	7	token	token	JJ
en-wikipedia-org-1629	2	8	consists	consist	VBZ
en-wikipedia-org-1629	2	9	of	of	IN
en-wikipedia-org-1629	2	10	a	a	DT
en-wikipedia-org-1629	2	11	digital	digital	JJ
en-wikipedia-org-1629	2	12	file	file	NN
en-wikipedia-org-1629	2	13	that	that	WDT
en-wikipedia-org-1629	2	14	can	can	MD
en-wikipedia-org-1629	2	15	be	be	VB
en-wikipedia-org-1629	2	16	duplicated	duplicate	VBN
en-wikipedia-org-1629	2	17	or	or	CC
en-wikipedia-org-1629	2	18	falsified	falsify	VBN
en-wikipedia-org-1629	2	19	.	.	.
en-wikipedia-org-1629	3	1	[	[	-LRB-
en-wikipedia-org-1629	3	2	1][2	1][2	NNP
en-wikipedia-org-1629	3	3	]	]	-RRB-
en-wikipedia-org-1629	3	4	As	as	IN
en-wikipedia-org-1629	3	5	with	with	IN
en-wikipedia-org-1629	3	6	counterfeit	counterfeit	JJ
en-wikipedia-org-1629	3	7	money	money	NN
en-wikipedia-org-1629	3	8	,	,	,
en-wikipedia-org-1629	3	9	such	such	JJ
en-wikipedia-org-1629	3	10	double	double	JJ
en-wikipedia-org-1629	3	11	-	-	HYPH
en-wikipedia-org-1629	3	12	spending	spending	NN
en-wikipedia-org-1629	3	13	leads	lead	NNS
en-wikipedia-org-1629	3	14	to	to	IN
en-wikipedia-org-1629	3	15	inflation	inflation	NN
en-wikipedia-org-1629	3	16	by	by	IN
en-wikipedia-org-1629	3	17	creating	create	VBG
en-wikipedia-org-1629	3	18	a	a	DT
en-wikipedia-org-1629	3	19	new	new	JJ
en-wikipedia-org-1629	3	20	amount	amount	NN
en-wikipedia-org-1629	3	21	of	of	IN
en-wikipedia-org-1629	3	22	copied	copied	JJ
en-wikipedia-org-1629	3	23	currency	currency	NN
en-wikipedia-org-1629	3	24	that	that	WDT
en-wikipedia-org-1629	3	25	did	do	VBD
en-wikipedia-org-1629	3	26	not	not	RB
en-wikipedia-org-1629	3	27	previously	previously	RB
en-wikipedia-org-1629	3	28	exist	exist	VB
en-wikipedia-org-1629	3	29	.	.	.
en-wikipedia-org-1629	4	1	This	this	DT
en-wikipedia-org-1629	4	2	devalues	devalue	VBZ
en-wikipedia-org-1629	4	3	the	the	DT
en-wikipedia-org-1629	4	4	currency	currency	NN
en-wikipedia-org-1629	4	5	relative	relative	JJ
en-wikipedia-org-1629	4	6	to	to	IN
en-wikipedia-org-1629	4	7	other	other	JJ
en-wikipedia-org-1629	4	8	monetary	monetary	JJ
en-wikipedia-org-1629	4	9	units	unit	NNS
en-wikipedia-org-1629	4	10	or	or	CC
en-wikipedia-org-1629	4	11	goods	good	NNS
en-wikipedia-org-1629	4	12	and	and	CC
en-wikipedia-org-1629	4	13	diminishes	diminishe	NNS
en-wikipedia-org-1629	4	14	user	user	NN
en-wikipedia-org-1629	4	15	trust	trust	NN
en-wikipedia-org-1629	4	16	as	as	RB
en-wikipedia-org-1629	4	17	well	well	RB
en-wikipedia-org-1629	4	18	as	as	IN
en-wikipedia-org-1629	4	19	the	the	DT
en-wikipedia-org-1629	4	20	circulation	circulation	NN
en-wikipedia-org-1629	4	21	and	and	CC
en-wikipedia-org-1629	4	22	retention	retention	NN
en-wikipedia-org-1629	4	23	of	of	IN
en-wikipedia-org-1629	4	24	the	the	DT
en-wikipedia-org-1629	4	25	currency	currency	NN
en-wikipedia-org-1629	4	26	.	.	.
en-wikipedia-org-1629	5	1	Fundamental	fundamental	JJ
en-wikipedia-org-1629	5	2	cryptographic	cryptographic	JJ
en-wikipedia-org-1629	5	3	techniques	technique	NNS
en-wikipedia-org-1629	5	4	to	to	TO
en-wikipedia-org-1629	5	5	prevent	prevent	VB
en-wikipedia-org-1629	5	6	double	double	JJ
en-wikipedia-org-1629	5	7	-	-	HYPH
en-wikipedia-org-1629	5	8	spending	spending	NN
en-wikipedia-org-1629	5	9	,	,	,
en-wikipedia-org-1629	5	10	while	while	IN
en-wikipedia-org-1629	5	11	preserving	preserve	VBG
en-wikipedia-org-1629	5	12	anonymity	anonymity	NN
en-wikipedia-org-1629	5	13	in	in	IN
en-wikipedia-org-1629	5	14	a	a	DT
en-wikipedia-org-1629	5	15	transaction	transaction	NN
en-wikipedia-org-1629	5	16	,	,	,
en-wikipedia-org-1629	5	17	are	be	VBP
en-wikipedia-org-1629	5	18	blind	blind	JJ
en-wikipedia-org-1629	5	19	signatures	signature	NNS
en-wikipedia-org-1629	5	20	and	and	CC
en-wikipedia-org-1629	5	21	,	,	,
en-wikipedia-org-1629	5	22	particularly	particularly	RB
en-wikipedia-org-1629	5	23	in	in	IN
en-wikipedia-org-1629	5	24	offline	offline	JJ
en-wikipedia-org-1629	5	25	systems	system	NNS
en-wikipedia-org-1629	5	26	,	,	,
en-wikipedia-org-1629	5	27	secret	secret	JJ
en-wikipedia-org-1629	5	28	splitting	splitting	NN
en-wikipedia-org-1629	5	29	.	.	.
en-wikipedia-org-1629	6	1	[	[	-LRB-
en-wikipedia-org-1629	6	2	2	2	LS
en-wikipedia-org-1629	6	3	]	]	-RRB-
en-wikipedia-org-1629	6	4	Contents	content	NNS
en-wikipedia-org-1629	6	5	1	1	CD
en-wikipedia-org-1629	6	6	Centralized	centralized	JJ
en-wikipedia-org-1629	6	7	currencies	currency	NNS
en-wikipedia-org-1629	6	8	2	2	CD
en-wikipedia-org-1629	6	9	Decentralized	decentralized	JJ
en-wikipedia-org-1629	6	10	currencies	currency	NNS
en-wikipedia-org-1629	6	11	3	3	CD
en-wikipedia-org-1629	6	12	51	51	CD
en-wikipedia-org-1629	6	13	%	%	NN
en-wikipedia-org-1629	6	14	attack	attack	NN
en-wikipedia-org-1629	6	15	4	4	CD
en-wikipedia-org-1629	6	16	References	reference	NNS
en-wikipedia-org-1629	6	17	Centralized	centralize	VBN
en-wikipedia-org-1629	6	18	currencies[edit	currencies[edit	CD
en-wikipedia-org-1629	6	19	]	]	-RRB-
en-wikipedia-org-1629	6	20	Prevention	prevention	NN
en-wikipedia-org-1629	6	21	of	of	IN
en-wikipedia-org-1629	6	22	double	double	JJ
en-wikipedia-org-1629	6	23	-	-	HYPH
en-wikipedia-org-1629	6	24	spending	spending	NN
en-wikipedia-org-1629	6	25	is	be	VBZ
en-wikipedia-org-1629	6	26	usually	usually	RB
en-wikipedia-org-1629	6	27	implemented	implement	VBN
en-wikipedia-org-1629	6	28	using	use	VBG
en-wikipedia-org-1629	6	29	an	an	DT
en-wikipedia-org-1629	6	30	online	online	JJ
en-wikipedia-org-1629	6	31	central	central	JJ
en-wikipedia-org-1629	6	32	trusted	trust	VBN
en-wikipedia-org-1629	6	33	third	third	JJ
en-wikipedia-org-1629	6	34	party	party	NN
en-wikipedia-org-1629	6	35	that	that	WDT
en-wikipedia-org-1629	6	36	can	can	MD
en-wikipedia-org-1629	6	37	verify	verify	VB
en-wikipedia-org-1629	6	38	whether	whether	IN
en-wikipedia-org-1629	6	39	a	a	DT
en-wikipedia-org-1629	6	40	token	token	NN
en-wikipedia-org-1629	6	41	has	have	VBZ
en-wikipedia-org-1629	6	42	been	be	VBN
en-wikipedia-org-1629	6	43	spent	spend	VBN
en-wikipedia-org-1629	6	44	.	.	.
en-wikipedia-org-1629	7	1	[	[	-LRB-
en-wikipedia-org-1629	7	2	2	2	LS
en-wikipedia-org-1629	7	3	]	]	-RRB-
en-wikipedia-org-1629	7	4	This	this	DT
en-wikipedia-org-1629	7	5	normally	normally	RB
en-wikipedia-org-1629	7	6	represents	represent	VBZ
en-wikipedia-org-1629	7	7	a	a	DT
en-wikipedia-org-1629	7	8	single	single	JJ
en-wikipedia-org-1629	7	9	point	point	NN
en-wikipedia-org-1629	7	10	of	of	IN
en-wikipedia-org-1629	7	11	failure	failure	NN
en-wikipedia-org-1629	7	12	from	from	IN
en-wikipedia-org-1629	7	13	both	both	CC
en-wikipedia-org-1629	7	14	availability	availability	NN
en-wikipedia-org-1629	7	15	and	and	CC
en-wikipedia-org-1629	7	16	trust	trust	NN
en-wikipedia-org-1629	7	17	viewpoints	viewpoint	NNS
en-wikipedia-org-1629	7	18	.	.	.
en-wikipedia-org-1629	8	1	Decentralized	decentralized	JJ
en-wikipedia-org-1629	8	2	currencies[edit	currencies[edit	CD
en-wikipedia-org-1629	8	3	]	]	-RRB-
en-wikipedia-org-1629	8	4	In	in	IN
en-wikipedia-org-1629	8	5	a	a	DT
en-wikipedia-org-1629	8	6	decentralized	decentralized	JJ
en-wikipedia-org-1629	8	7	system	system	NN
en-wikipedia-org-1629	8	8	,	,	,
en-wikipedia-org-1629	8	9	the	the	DT
en-wikipedia-org-1629	8	10	double	double	JJ
en-wikipedia-org-1629	8	11	-	-	HYPH
en-wikipedia-org-1629	8	12	spending	spending	NN
en-wikipedia-org-1629	8	13	problem	problem	NN
en-wikipedia-org-1629	8	14	is	be	VBZ
en-wikipedia-org-1629	8	15	significantly	significantly	RB
en-wikipedia-org-1629	8	16	harder	hard	JJR
en-wikipedia-org-1629	8	17	to	to	TO
en-wikipedia-org-1629	8	18	solve	solve	VB
en-wikipedia-org-1629	8	19	.	.	.
en-wikipedia-org-1629	9	1	To	to	TO
en-wikipedia-org-1629	9	2	avoid	avoid	VB
en-wikipedia-org-1629	9	3	the	the	DT
en-wikipedia-org-1629	9	4	need	need	NN
en-wikipedia-org-1629	9	5	for	for	IN
en-wikipedia-org-1629	9	6	a	a	DT
en-wikipedia-org-1629	9	7	trusted	trust	VBN
en-wikipedia-org-1629	9	8	third	third	JJ
en-wikipedia-org-1629	9	9	party	party	NN
en-wikipedia-org-1629	9	10	,	,	,
en-wikipedia-org-1629	9	11	many	many	JJ
en-wikipedia-org-1629	9	12	servers	server	NNS
en-wikipedia-org-1629	9	13	must	must	MD
en-wikipedia-org-1629	9	14	store	store	VB
en-wikipedia-org-1629	9	15	identical	identical	JJ
en-wikipedia-org-1629	9	16	up	up	RB
en-wikipedia-org-1629	9	17	-	-	HYPH
en-wikipedia-org-1629	9	18	to	to	IN
en-wikipedia-org-1629	9	19	-	-	HYPH
en-wikipedia-org-1629	9	20	date	date	NN
en-wikipedia-org-1629	9	21	copies	copy	NNS
en-wikipedia-org-1629	9	22	of	of	IN
en-wikipedia-org-1629	9	23	a	a	DT
en-wikipedia-org-1629	9	24	public	public	JJ
en-wikipedia-org-1629	9	25	transaction	transaction	NN
en-wikipedia-org-1629	9	26	ledger	ledger	RB
en-wikipedia-org-1629	9	27	,	,	,
en-wikipedia-org-1629	9	28	but	but	CC
en-wikipedia-org-1629	9	29	as	as	IN
en-wikipedia-org-1629	9	30	transactions	transaction	NNS
en-wikipedia-org-1629	9	31	(	(	-LRB-
en-wikipedia-org-1629	9	32	requests	request	NNS
en-wikipedia-org-1629	9	33	to	to	TO
en-wikipedia-org-1629	9	34	spend	spend	VB
en-wikipedia-org-1629	9	35	money	money	NN
en-wikipedia-org-1629	9	36	)	)	-RRB-
en-wikipedia-org-1629	9	37	are	be	VBP
en-wikipedia-org-1629	9	38	broadcast	broadcast	VBN
en-wikipedia-org-1629	9	39	,	,	,
en-wikipedia-org-1629	9	40	they	-PRON-	PRP
en-wikipedia-org-1629	9	41	will	will	MD
en-wikipedia-org-1629	9	42	arrive	arrive	VB
en-wikipedia-org-1629	9	43	at	at	IN
en-wikipedia-org-1629	9	44	each	each	DT
en-wikipedia-org-1629	9	45	server	server	NN
en-wikipedia-org-1629	9	46	at	at	IN
en-wikipedia-org-1629	9	47	slightly	slightly	RB
en-wikipedia-org-1629	9	48	different	different	JJ
en-wikipedia-org-1629	9	49	times	time	NNS
en-wikipedia-org-1629	9	50	.	.	.
en-wikipedia-org-1629	10	1	If	if	IN
en-wikipedia-org-1629	10	2	two	two	CD
en-wikipedia-org-1629	10	3	transactions	transaction	NNS
en-wikipedia-org-1629	10	4	attempt	attempt	VBP
en-wikipedia-org-1629	10	5	to	to	TO
en-wikipedia-org-1629	10	6	spend	spend	VB
en-wikipedia-org-1629	10	7	the	the	DT
en-wikipedia-org-1629	10	8	same	same	JJ
en-wikipedia-org-1629	10	9	token	token	NN
en-wikipedia-org-1629	10	10	,	,	,
en-wikipedia-org-1629	10	11	each	each	DT
en-wikipedia-org-1629	10	12	server	server	NN
en-wikipedia-org-1629	10	13	will	will	MD
en-wikipedia-org-1629	10	14	consider	consider	VB
en-wikipedia-org-1629	10	15	the	the	DT
en-wikipedia-org-1629	10	16	first	first	JJ
en-wikipedia-org-1629	10	17	transaction	transaction	NN
en-wikipedia-org-1629	10	18	it	-PRON-	PRP
en-wikipedia-org-1629	10	19	sees	see	VBZ
en-wikipedia-org-1629	10	20	to	to	TO
en-wikipedia-org-1629	10	21	be	be	VB
en-wikipedia-org-1629	10	22	valid	valid	JJ
en-wikipedia-org-1629	10	23	,	,	,
en-wikipedia-org-1629	10	24	and	and	CC
en-wikipedia-org-1629	10	25	the	the	DT
en-wikipedia-org-1629	10	26	other	other	JJ
en-wikipedia-org-1629	10	27	invalid	invalid	NN
en-wikipedia-org-1629	10	28	.	.	.
en-wikipedia-org-1629	11	1	Once	once	IN
en-wikipedia-org-1629	11	2	the	the	DT
en-wikipedia-org-1629	11	3	servers	server	NNS
en-wikipedia-org-1629	11	4	disagree	disagree	VBP
en-wikipedia-org-1629	11	5	,	,	,
en-wikipedia-org-1629	11	6	there	there	EX
en-wikipedia-org-1629	11	7	is	be	VBZ
en-wikipedia-org-1629	11	8	no	no	DT
en-wikipedia-org-1629	11	9	way	way	NN
en-wikipedia-org-1629	11	10	to	to	TO
en-wikipedia-org-1629	11	11	determine	determine	VB
en-wikipedia-org-1629	11	12	true	true	JJ
en-wikipedia-org-1629	11	13	balances	balance	NNS
en-wikipedia-org-1629	11	14	,	,	,
en-wikipedia-org-1629	11	15	as	as	IN
en-wikipedia-org-1629	11	16	each	each	DT
en-wikipedia-org-1629	11	17	server	server	NN
en-wikipedia-org-1629	11	18	's	's	POS
en-wikipedia-org-1629	11	19	observations	observation	NNS
en-wikipedia-org-1629	11	20	are	be	VBP
en-wikipedia-org-1629	11	21	considered	consider	VBN
en-wikipedia-org-1629	11	22	equally	equally	RB
en-wikipedia-org-1629	11	23	valid	valid	JJ
en-wikipedia-org-1629	11	24	.	.	.
en-wikipedia-org-1629	12	1	Most	Most	JJS
en-wikipedia-org-1629	12	2	decentralized	decentralize	VBN
en-wikipedia-org-1629	12	3	systems	system	NNS
en-wikipedia-org-1629	12	4	solve	solve	VBP
en-wikipedia-org-1629	12	5	this	this	DT
en-wikipedia-org-1629	12	6	with	with	IN
en-wikipedia-org-1629	12	7	a	a	DT
en-wikipedia-org-1629	12	8	consensus	consensus	NN
en-wikipedia-org-1629	12	9	algorithm	algorithm	NN
en-wikipedia-org-1629	12	10	,	,	,
en-wikipedia-org-1629	12	11	a	a	DT
en-wikipedia-org-1629	12	12	way	way	NN
en-wikipedia-org-1629	12	13	to	to	TO
en-wikipedia-org-1629	12	14	bring	bring	VB
en-wikipedia-org-1629	12	15	the	the	DT
en-wikipedia-org-1629	12	16	servers	server	NNS
en-wikipedia-org-1629	12	17	back	back	RB
en-wikipedia-org-1629	12	18	in	in	IN
en-wikipedia-org-1629	12	19	sync	sync	NN
en-wikipedia-org-1629	12	20	.	.	.
en-wikipedia-org-1629	13	1	Two	two	CD
en-wikipedia-org-1629	13	2	notable	notable	JJ
en-wikipedia-org-1629	13	3	types	type	NNS
en-wikipedia-org-1629	13	4	of	of	IN
en-wikipedia-org-1629	13	5	consensus	consensus	NN
en-wikipedia-org-1629	13	6	mechanisms	mechanism	NNS
en-wikipedia-org-1629	13	7	are	be	VBP
en-wikipedia-org-1629	13	8	proof	proof	NN
en-wikipedia-org-1629	13	9	-	-	HYPH
en-wikipedia-org-1629	13	10	of	of	IN
en-wikipedia-org-1629	13	11	-	-	HYPH
en-wikipedia-org-1629	13	12	work	work	NN
en-wikipedia-org-1629	13	13	and	and	CC
en-wikipedia-org-1629	13	14	proof	proof	NN
en-wikipedia-org-1629	13	15	-	-	HYPH
en-wikipedia-org-1629	13	16	of	of	IN
en-wikipedia-org-1629	13	17	-	-	HYPH
en-wikipedia-org-1629	13	18	stake	stake	NN
en-wikipedia-org-1629	13	19	.	.	.
en-wikipedia-org-1629	14	1	By	by	IN
en-wikipedia-org-1629	14	2	2007	2007	CD
en-wikipedia-org-1629	14	3	,	,	,
en-wikipedia-org-1629	14	4	a	a	DT
en-wikipedia-org-1629	14	5	number	number	NN
en-wikipedia-org-1629	14	6	of	of	IN
en-wikipedia-org-1629	14	7	distributed	distribute	VBN
en-wikipedia-org-1629	14	8	systems	system	NNS
en-wikipedia-org-1629	14	9	for	for	IN
en-wikipedia-org-1629	14	10	the	the	DT
en-wikipedia-org-1629	14	11	prevention	prevention	NN
en-wikipedia-org-1629	14	12	of	of	IN
en-wikipedia-org-1629	14	13	double	double	JJ
en-wikipedia-org-1629	14	14	-	-	HYPH
en-wikipedia-org-1629	14	15	spending	spending	NN
en-wikipedia-org-1629	14	16	had	have	VBD
en-wikipedia-org-1629	14	17	been	be	VBN
en-wikipedia-org-1629	14	18	proposed	propose	VBN
en-wikipedia-org-1629	14	19	.	.	.
en-wikipedia-org-1629	15	1	[	[	-LRB-
en-wikipedia-org-1629	15	2	3][4	3][4	NN
en-wikipedia-org-1629	15	3	]	]	-RRB-
en-wikipedia-org-1629	15	4	The	the	DT
en-wikipedia-org-1629	15	5	cryptocurrency	cryptocurrency	NN
en-wikipedia-org-1629	15	6	Bitcoin	Bitcoin	NNP
en-wikipedia-org-1629	15	7	implemented	implement	VBD
en-wikipedia-org-1629	15	8	a	a	DT
en-wikipedia-org-1629	15	9	solution	solution	NN
en-wikipedia-org-1629	15	10	in	in	IN
en-wikipedia-org-1629	15	11	early	early	JJ
en-wikipedia-org-1629	15	12	2009	2009	CD
en-wikipedia-org-1629	15	13	.	.	.
en-wikipedia-org-1629	16	1	Its	-PRON-	PRP$
en-wikipedia-org-1629	16	2	cryptographic	cryptographic	JJ
en-wikipedia-org-1629	16	3	protocol	protocol	NN
en-wikipedia-org-1629	16	4	used	use	VBD
en-wikipedia-org-1629	16	5	a	a	DT
en-wikipedia-org-1629	16	6	proof	proof	NN
en-wikipedia-org-1629	16	7	-	-	HYPH
en-wikipedia-org-1629	16	8	of	of	IN
en-wikipedia-org-1629	16	9	-	-	HYPH
en-wikipedia-org-1629	16	10	work	work	NN
en-wikipedia-org-1629	16	11	consensus	consensus	NN
en-wikipedia-org-1629	16	12	mechanism	mechanism	NN
en-wikipedia-org-1629	16	13	where	where	WRB
en-wikipedia-org-1629	16	14	transactions	transaction	NNS
en-wikipedia-org-1629	16	15	are	be	VBP
en-wikipedia-org-1629	16	16	batched	batch	VBN
en-wikipedia-org-1629	16	17	into	into	IN
en-wikipedia-org-1629	16	18	blocks	block	NNS
en-wikipedia-org-1629	16	19	and	and	CC
en-wikipedia-org-1629	16	20	chained	chain	VBN
en-wikipedia-org-1629	16	21	together	together	RB
en-wikipedia-org-1629	16	22	using	use	VBG
en-wikipedia-org-1629	16	23	a	a	DT
en-wikipedia-org-1629	16	24	linked	link	VBN
en-wikipedia-org-1629	16	25	list	list	NN
en-wikipedia-org-1629	16	26	of	of	IN
en-wikipedia-org-1629	16	27	hash	hash	NN
en-wikipedia-org-1629	16	28	pointers	pointer	NNS
en-wikipedia-org-1629	16	29	(	(	-LRB-
en-wikipedia-org-1629	16	30	blockchain	blockchain	NNP
en-wikipedia-org-1629	16	31	)	)	-RRB-
en-wikipedia-org-1629	16	32	.	.	.
en-wikipedia-org-1629	17	1	Any	any	DT
en-wikipedia-org-1629	17	2	server	server	NN
en-wikipedia-org-1629	17	3	can	can	MD
en-wikipedia-org-1629	17	4	produce	produce	VB
en-wikipedia-org-1629	17	5	a	a	DT
en-wikipedia-org-1629	17	6	block	block	NN
en-wikipedia-org-1629	17	7	by	by	IN
en-wikipedia-org-1629	17	8	solving	solve	VBG
en-wikipedia-org-1629	17	9	a	a	DT
en-wikipedia-org-1629	17	10	computationally	computationally	RB
en-wikipedia-org-1629	17	11	difficult	difficult	JJ
en-wikipedia-org-1629	17	12	puzzle	puzzle	NN
en-wikipedia-org-1629	17	13	(	(	-LRB-
en-wikipedia-org-1629	17	14	specifically	specifically	RB
en-wikipedia-org-1629	17	15	finding	find	VBG
en-wikipedia-org-1629	17	16	a	a	DT
en-wikipedia-org-1629	17	17	partial	partial	JJ
en-wikipedia-org-1629	17	18	hash	hash	NN
en-wikipedia-org-1629	17	19	collision	collision	NN
en-wikipedia-org-1629	17	20	)	)	-RRB-
en-wikipedia-org-1629	17	21	called	call	VBD
en-wikipedia-org-1629	17	22	mining	mining	NN
en-wikipedia-org-1629	17	23	.	.	.
en-wikipedia-org-1629	18	1	The	the	DT
en-wikipedia-org-1629	18	2	block	block	NN
en-wikipedia-org-1629	18	3	commits	commit	VBZ
en-wikipedia-org-1629	18	4	to	to	IN
en-wikipedia-org-1629	18	5	the	the	DT
en-wikipedia-org-1629	18	6	entire	entire	JJ
en-wikipedia-org-1629	18	7	history	history	NN
en-wikipedia-org-1629	18	8	of	of	IN
en-wikipedia-org-1629	18	9	bitcoin	bitcoin	NN
en-wikipedia-org-1629	18	10	transactions	transaction	NNS
en-wikipedia-org-1629	18	11	as	as	RB
en-wikipedia-org-1629	18	12	well	well	RB
en-wikipedia-org-1629	18	13	as	as	IN
en-wikipedia-org-1629	18	14	the	the	DT
en-wikipedia-org-1629	18	15	new	new	JJ
en-wikipedia-org-1629	18	16	set	set	NN
en-wikipedia-org-1629	18	17	of	of	IN
en-wikipedia-org-1629	18	18	incoming	incoming	JJ
en-wikipedia-org-1629	18	19	transactions	transaction	NNS
en-wikipedia-org-1629	18	20	.	.	.
en-wikipedia-org-1629	19	1	The	the	DT
en-wikipedia-org-1629	19	2	miner	miner	NN
en-wikipedia-org-1629	19	3	is	be	VBZ
en-wikipedia-org-1629	19	4	rewarded	reward	VBN
en-wikipedia-org-1629	19	5	some	some	DT
en-wikipedia-org-1629	19	6	bitcoins	bitcoin	NNS
en-wikipedia-org-1629	19	7	for	for	IN
en-wikipedia-org-1629	19	8	solving	solve	VBG
en-wikipedia-org-1629	19	9	it	-PRON-	PRP
en-wikipedia-org-1629	19	10	.	.	.
en-wikipedia-org-1629	20	1	The	the	DT
en-wikipedia-org-1629	20	2	double	double	JJ
en-wikipedia-org-1629	20	3	-	-	HYPH
en-wikipedia-org-1629	20	4	spending	spending	NN
en-wikipedia-org-1629	20	5	problem	problem	NN
en-wikipedia-org-1629	20	6	persists	persist	VBZ
en-wikipedia-org-1629	20	7	,	,	,
en-wikipedia-org-1629	20	8	however	however	RB
en-wikipedia-org-1629	20	9	,	,	,
en-wikipedia-org-1629	20	10	if	if	IN
en-wikipedia-org-1629	20	11	two	two	CD
en-wikipedia-org-1629	20	12	blocks	block	NNS
en-wikipedia-org-1629	20	13	(	(	-LRB-
en-wikipedia-org-1629	20	14	with	with	IN
en-wikipedia-org-1629	20	15	conflicting	conflict	VBG
en-wikipedia-org-1629	20	16	transactions	transaction	NNS
en-wikipedia-org-1629	20	17	)	)	-RRB-
en-wikipedia-org-1629	20	18	are	be	VBP
en-wikipedia-org-1629	20	19	mined	mine	VBN
en-wikipedia-org-1629	20	20	at	at	IN
en-wikipedia-org-1629	20	21	the	the	DT
en-wikipedia-org-1629	20	22	same	same	JJ
en-wikipedia-org-1629	20	23	approximate	approximate	JJ
en-wikipedia-org-1629	20	24	time	time	NN
en-wikipedia-org-1629	20	25	.	.	.
en-wikipedia-org-1629	21	1	When	when	WRB
en-wikipedia-org-1629	21	2	servers	server	NNS
en-wikipedia-org-1629	21	3	inevitably	inevitably	RB
en-wikipedia-org-1629	21	4	disagree	disagree	VBP
en-wikipedia-org-1629	21	5	on	on	IN
en-wikipedia-org-1629	21	6	the	the	DT
en-wikipedia-org-1629	21	7	order	order	NN
en-wikipedia-org-1629	21	8	of	of	IN
en-wikipedia-org-1629	21	9	the	the	DT
en-wikipedia-org-1629	21	10	two	two	CD
en-wikipedia-org-1629	21	11	blocks	block	NNS
en-wikipedia-org-1629	21	12	,	,	,
en-wikipedia-org-1629	21	13	they	-PRON-	PRP
en-wikipedia-org-1629	21	14	each	each	DT
en-wikipedia-org-1629	21	15	keep	keep	VBP
en-wikipedia-org-1629	21	16	both	both	DT
en-wikipedia-org-1629	21	17	blocks	block	NNS
en-wikipedia-org-1629	21	18	temporarily	temporarily	RB
en-wikipedia-org-1629	21	19	.	.	.
en-wikipedia-org-1629	22	1	As	as	IN
en-wikipedia-org-1629	22	2	new	new	JJ
en-wikipedia-org-1629	22	3	blocks	block	NNS
en-wikipedia-org-1629	22	4	arrive	arrive	VBP
en-wikipedia-org-1629	22	5	,	,	,
en-wikipedia-org-1629	22	6	they	-PRON-	PRP
en-wikipedia-org-1629	22	7	must	must	MD
en-wikipedia-org-1629	22	8	commit	commit	VB
en-wikipedia-org-1629	22	9	to	to	IN
en-wikipedia-org-1629	22	10	one	one	CD
en-wikipedia-org-1629	22	11	history	history	NN
en-wikipedia-org-1629	22	12	or	or	CC
en-wikipedia-org-1629	22	13	the	the	DT
en-wikipedia-org-1629	22	14	other	other	JJ
en-wikipedia-org-1629	22	15	,	,	,
en-wikipedia-org-1629	22	16	and	and	CC
en-wikipedia-org-1629	22	17	eventually	eventually	RB
en-wikipedia-org-1629	22	18	a	a	DT
en-wikipedia-org-1629	22	19	single	single	JJ
en-wikipedia-org-1629	22	20	chain	chain	NN
en-wikipedia-org-1629	22	21	will	will	MD
en-wikipedia-org-1629	22	22	continue	continue	VB
en-wikipedia-org-1629	22	23	on	on	RP
en-wikipedia-org-1629	22	24	,	,	,
en-wikipedia-org-1629	22	25	while	while	IN
en-wikipedia-org-1629	22	26	the	the	DT
en-wikipedia-org-1629	22	27	other(s	other(s	NNP
en-wikipedia-org-1629	22	28	)	)	-RRB-
en-wikipedia-org-1629	22	29	will	will	MD
en-wikipedia-org-1629	22	30	not	not	RB
en-wikipedia-org-1629	22	31	.	.	.
en-wikipedia-org-1629	23	1	Since	since	IN
en-wikipedia-org-1629	23	2	the	the	DT
en-wikipedia-org-1629	23	3	longest	long	JJS
en-wikipedia-org-1629	23	4	(	(	-LRB-
en-wikipedia-org-1629	23	5	more	more	RBR
en-wikipedia-org-1629	23	6	technically	technically	RB
en-wikipedia-org-1629	23	7	"	"	``
en-wikipedia-org-1629	23	8	heaviest	heavy	JJS
en-wikipedia-org-1629	23	9	"	"	''
en-wikipedia-org-1629	23	10	)	)	-RRB-
en-wikipedia-org-1629	23	11	chain	chain	NN
en-wikipedia-org-1629	23	12	is	be	VBZ
en-wikipedia-org-1629	23	13	considered	consider	VBN
en-wikipedia-org-1629	23	14	to	to	TO
en-wikipedia-org-1629	23	15	be	be	VB
en-wikipedia-org-1629	23	16	the	the	DT
en-wikipedia-org-1629	23	17	valid	valid	JJ
en-wikipedia-org-1629	23	18	data	data	NN
en-wikipedia-org-1629	23	19	set	set	NN
en-wikipedia-org-1629	23	20	,	,	,
en-wikipedia-org-1629	23	21	miners	miner	NNS
en-wikipedia-org-1629	23	22	are	be	VBP
en-wikipedia-org-1629	23	23	incentivized	incentivize	VBN
en-wikipedia-org-1629	23	24	to	to	TO
en-wikipedia-org-1629	23	25	only	only	RB
en-wikipedia-org-1629	23	26	build	build	VB
en-wikipedia-org-1629	23	27	blocks	block	NNS
en-wikipedia-org-1629	23	28	on	on	IN
en-wikipedia-org-1629	23	29	the	the	DT
en-wikipedia-org-1629	23	30	longest	long	JJS
en-wikipedia-org-1629	23	31	chain	chain	NN
en-wikipedia-org-1629	23	32	they	-PRON-	PRP
en-wikipedia-org-1629	23	33	know	know	VBP
en-wikipedia-org-1629	23	34	about	about	IN
en-wikipedia-org-1629	23	35	in	in	IN
en-wikipedia-org-1629	23	36	order	order	NN
en-wikipedia-org-1629	23	37	for	for	IN
en-wikipedia-org-1629	23	38	it	-PRON-	PRP
en-wikipedia-org-1629	23	39	to	to	TO
en-wikipedia-org-1629	23	40	become	become	VB
en-wikipedia-org-1629	23	41	part	part	NN
en-wikipedia-org-1629	23	42	of	of	IN
en-wikipedia-org-1629	23	43	that	that	DT
en-wikipedia-org-1629	23	44	dataset	dataset	NN
en-wikipedia-org-1629	23	45	(	(	-LRB-
en-wikipedia-org-1629	23	46	and	and	CC
en-wikipedia-org-1629	23	47	for	for	IN
en-wikipedia-org-1629	23	48	their	-PRON-	PRP$
en-wikipedia-org-1629	23	49	reward	reward	NN
en-wikipedia-org-1629	23	50	to	to	TO
en-wikipedia-org-1629	23	51	be	be	VB
en-wikipedia-org-1629	23	52	valid	valid	JJ
en-wikipedia-org-1629	23	53	)	)	-RRB-
en-wikipedia-org-1629	23	54	.	.	.
en-wikipedia-org-1629	24	1	Transactions	transaction	NNS
en-wikipedia-org-1629	24	2	in	in	IN
en-wikipedia-org-1629	24	3	this	this	DT
en-wikipedia-org-1629	24	4	system	system	NN
en-wikipedia-org-1629	24	5	are	be	VBP
en-wikipedia-org-1629	24	6	therefore	therefore	RB
en-wikipedia-org-1629	24	7	never	never	RB
en-wikipedia-org-1629	24	8	technically	technically	RB
en-wikipedia-org-1629	24	9	"	"	``
en-wikipedia-org-1629	24	10	final	final	JJ
en-wikipedia-org-1629	24	11	"	"	''
en-wikipedia-org-1629	24	12	as	as	IN
en-wikipedia-org-1629	24	13	a	a	DT
en-wikipedia-org-1629	24	14	conflicting	conflict	VBG
en-wikipedia-org-1629	24	15	chain	chain	NN
en-wikipedia-org-1629	24	16	of	of	IN
en-wikipedia-org-1629	24	17	blocks	block	NNS
en-wikipedia-org-1629	24	18	can	can	MD
en-wikipedia-org-1629	24	19	always	always	RB
en-wikipedia-org-1629	24	20	outgrow	outgrow	VB
en-wikipedia-org-1629	24	21	the	the	DT
en-wikipedia-org-1629	24	22	current	current	JJ
en-wikipedia-org-1629	24	23	canonical	canonical	JJ
en-wikipedia-org-1629	24	24	chain	chain	NN
en-wikipedia-org-1629	24	25	.	.	.
en-wikipedia-org-1629	25	1	However	however	RB
en-wikipedia-org-1629	25	2	,	,	,
en-wikipedia-org-1629	25	3	as	as	IN
en-wikipedia-org-1629	25	4	blocks	block	NNS
en-wikipedia-org-1629	25	5	are	be	VBP
en-wikipedia-org-1629	25	6	built	build	VBN
en-wikipedia-org-1629	25	7	on	on	IN
en-wikipedia-org-1629	25	8	top	top	NN
en-wikipedia-org-1629	25	9	of	of	IN
en-wikipedia-org-1629	25	10	a	a	DT
en-wikipedia-org-1629	25	11	transaction	transaction	NN
en-wikipedia-org-1629	25	12	,	,	,
en-wikipedia-org-1629	25	13	it	-PRON-	PRP
en-wikipedia-org-1629	25	14	becomes	become	VBZ
en-wikipedia-org-1629	25	15	increasingly	increasingly	RB
en-wikipedia-org-1629	25	16	unlikely	unlikely	JJ
en-wikipedia-org-1629	25	17	/	/	SYM
en-wikipedia-org-1629	25	18	costly	costly	JJ
en-wikipedia-org-1629	25	19	for	for	IN
en-wikipedia-org-1629	25	20	another	another	DT
en-wikipedia-org-1629	25	21	chain	chain	NN
en-wikipedia-org-1629	25	22	to	to	TO
en-wikipedia-org-1629	25	23	overtake	overtake	VB
en-wikipedia-org-1629	25	24	it	-PRON-	PRP
en-wikipedia-org-1629	25	25	.	.	.
en-wikipedia-org-1629	26	1	51	51	CD
en-wikipedia-org-1629	26	2	%	%	NN
en-wikipedia-org-1629	26	3	attack[edit	attack[edit	,
en-wikipedia-org-1629	26	4	]	]	-RRB-
en-wikipedia-org-1629	26	5	The	the	DT
en-wikipedia-org-1629	26	6	total	total	JJ
en-wikipedia-org-1629	26	7	computational	computational	JJ
en-wikipedia-org-1629	26	8	power	power	NN
en-wikipedia-org-1629	26	9	of	of	IN
en-wikipedia-org-1629	26	10	a	a	DT
en-wikipedia-org-1629	26	11	decentralized	decentralized	JJ
en-wikipedia-org-1629	26	12	proof	proof	NN
en-wikipedia-org-1629	26	13	-	-	HYPH
en-wikipedia-org-1629	26	14	of	of	IN
en-wikipedia-org-1629	26	15	-	-	HYPH
en-wikipedia-org-1629	26	16	work	work	NN
en-wikipedia-org-1629	26	17	system	system	NN
en-wikipedia-org-1629	26	18	is	be	VBZ
en-wikipedia-org-1629	26	19	the	the	DT
en-wikipedia-org-1629	26	20	sum	sum	NN
en-wikipedia-org-1629	26	21	of	of	IN
en-wikipedia-org-1629	26	22	the	the	DT
en-wikipedia-org-1629	26	23	computational	computational	JJ
en-wikipedia-org-1629	26	24	power	power	NN
en-wikipedia-org-1629	26	25	of	of	IN
en-wikipedia-org-1629	26	26	the	the	DT
en-wikipedia-org-1629	26	27	nodes	node	NNS
en-wikipedia-org-1629	26	28	,	,	,
en-wikipedia-org-1629	26	29	which	which	WDT
en-wikipedia-org-1629	26	30	can	can	MD
en-wikipedia-org-1629	26	31	differ	differ	VB
en-wikipedia-org-1629	26	32	significantly	significantly	RB
en-wikipedia-org-1629	26	33	due	due	IN
en-wikipedia-org-1629	26	34	to	to	IN
en-wikipedia-org-1629	26	35	the	the	DT
en-wikipedia-org-1629	26	36	hardware	hardware	NN
en-wikipedia-org-1629	26	37	used	use	VBN
en-wikipedia-org-1629	26	38	.	.	.
en-wikipedia-org-1629	27	1	Larger	large	JJR
en-wikipedia-org-1629	27	2	computational	computational	JJ
en-wikipedia-org-1629	27	3	power	power	NN
en-wikipedia-org-1629	27	4	increases	increase	VBZ
en-wikipedia-org-1629	27	5	the	the	DT
en-wikipedia-org-1629	27	6	chance	chance	NN
en-wikipedia-org-1629	27	7	to	to	TO
en-wikipedia-org-1629	27	8	win	win	VB
en-wikipedia-org-1629	27	9	the	the	DT
en-wikipedia-org-1629	27	10	mining	mining	NN
en-wikipedia-org-1629	27	11	reward	reward	NN
en-wikipedia-org-1629	27	12	for	for	IN
en-wikipedia-org-1629	27	13	each	each	DT
en-wikipedia-org-1629	27	14	new	new	JJ
en-wikipedia-org-1629	27	15	block	block	NN
en-wikipedia-org-1629	27	16	mined	mine	VBD
en-wikipedia-org-1629	27	17	,	,	,
en-wikipedia-org-1629	27	18	which	which	WDT
en-wikipedia-org-1629	27	19	creates	create	VBZ
en-wikipedia-org-1629	27	20	an	an	DT
en-wikipedia-org-1629	27	21	incentive	incentive	NN
en-wikipedia-org-1629	27	22	to	to	TO
en-wikipedia-org-1629	27	23	accumulate	accumulate	VB
en-wikipedia-org-1629	27	24	clusters	cluster	NNS
en-wikipedia-org-1629	27	25	of	of	IN
en-wikipedia-org-1629	27	26	mining	mining	NN
en-wikipedia-org-1629	27	27	nodes	node	NNS
en-wikipedia-org-1629	27	28	,	,	,
en-wikipedia-org-1629	27	29	or	or	CC
en-wikipedia-org-1629	27	30	mining	mining	NN
en-wikipedia-org-1629	27	31	pools	pool	NNS
en-wikipedia-org-1629	27	32	.	.	.
en-wikipedia-org-1629	28	1	Any	any	DT
en-wikipedia-org-1629	28	2	pool	pool	NN
en-wikipedia-org-1629	28	3	that	that	WDT
en-wikipedia-org-1629	28	4	achieves	achieve	VBZ
en-wikipedia-org-1629	28	5	51	51	CD
en-wikipedia-org-1629	28	6	%	%	NN
en-wikipedia-org-1629	28	7	hashing	hash	VBG
en-wikipedia-org-1629	28	8	power	power	NN
en-wikipedia-org-1629	28	9	can	can	MD
en-wikipedia-org-1629	28	10	effectively	effectively	RB
en-wikipedia-org-1629	28	11	overturn	overturn	VB
en-wikipedia-org-1629	28	12	network	network	NN
en-wikipedia-org-1629	28	13	transactions	transaction	NNS
en-wikipedia-org-1629	28	14	,	,	,
en-wikipedia-org-1629	28	15	resulting	result	VBG
en-wikipedia-org-1629	28	16	in	in	IN
en-wikipedia-org-1629	28	17	double	double	JJ
en-wikipedia-org-1629	28	18	spending	spending	NN
en-wikipedia-org-1629	28	19	.	.	.
en-wikipedia-org-1629	29	1	One	one	CD
en-wikipedia-org-1629	29	2	of	of	IN
en-wikipedia-org-1629	29	3	the	the	DT
en-wikipedia-org-1629	29	4	Bitcoin	Bitcoin	NNP
en-wikipedia-org-1629	29	5	forks	fork	NNS
en-wikipedia-org-1629	29	6	,	,	,
en-wikipedia-org-1629	29	7	Bitcoin	Bitcoin	NNP
en-wikipedia-org-1629	29	8	Gold	Gold	NNP
en-wikipedia-org-1629	29	9	,	,	,
en-wikipedia-org-1629	29	10	was	be	VBD
en-wikipedia-org-1629	29	11	hit	hit	VBN
en-wikipedia-org-1629	29	12	by	by	IN
en-wikipedia-org-1629	29	13	such	such	PDT
en-wikipedia-org-1629	29	14	an	an	DT
en-wikipedia-org-1629	29	15	attack	attack	NN
en-wikipedia-org-1629	29	16	in	in	IN
en-wikipedia-org-1629	29	17	2018	2018	CD
en-wikipedia-org-1629	29	18	and	and	CC
en-wikipedia-org-1629	29	19	then	then	RB
en-wikipedia-org-1629	29	20	again	again	RB
en-wikipedia-org-1629	29	21	in	in	IN
en-wikipedia-org-1629	29	22	2020	2020	CD
en-wikipedia-org-1629	29	23	.	.	.
en-wikipedia-org-1629	30	1	[	[	-LRB-
en-wikipedia-org-1629	30	2	5	5	CD
en-wikipedia-org-1629	30	3	]	]	-RRB-
en-wikipedia-org-1629	30	4	A	a	DT
en-wikipedia-org-1629	30	5	given	give	VBN
en-wikipedia-org-1629	30	6	cryptocurrency	cryptocurrency	NN
en-wikipedia-org-1629	30	7	's	's	POS
en-wikipedia-org-1629	30	8	susceptibility	susceptibility	NN
en-wikipedia-org-1629	30	9	to	to	TO
en-wikipedia-org-1629	30	10	attack	attack	VB
en-wikipedia-org-1629	30	11	depends	depend	VBZ
en-wikipedia-org-1629	30	12	on	on	IN
en-wikipedia-org-1629	30	13	the	the	DT
en-wikipedia-org-1629	30	14	existing	exist	VBG
en-wikipedia-org-1629	30	15	hashing	hash	VBG
en-wikipedia-org-1629	30	16	power	power	NN
en-wikipedia-org-1629	30	17	of	of	IN
en-wikipedia-org-1629	30	18	the	the	DT
en-wikipedia-org-1629	30	19	network	network	NN
en-wikipedia-org-1629	30	20	since	since	IN
en-wikipedia-org-1629	30	21	the	the	DT
en-wikipedia-org-1629	30	22	attacker	attacker	NN
en-wikipedia-org-1629	30	23	needs	need	VBZ
en-wikipedia-org-1629	30	24	to	to	TO
en-wikipedia-org-1629	30	25	overcome	overcome	VB
en-wikipedia-org-1629	30	26	it	-PRON-	PRP
en-wikipedia-org-1629	30	27	.	.	.
en-wikipedia-org-1629	31	1	For	for	IN
en-wikipedia-org-1629	31	2	the	the	DT
en-wikipedia-org-1629	31	3	attack	attack	NN
en-wikipedia-org-1629	31	4	to	to	TO
en-wikipedia-org-1629	31	5	be	be	VB
en-wikipedia-org-1629	31	6	economically	economically	RB
en-wikipedia-org-1629	31	7	viable	viable	JJ
en-wikipedia-org-1629	31	8	,	,	,
en-wikipedia-org-1629	31	9	the	the	DT
en-wikipedia-org-1629	31	10	market	market	NN
en-wikipedia-org-1629	31	11	cap	cap	NN
en-wikipedia-org-1629	31	12	of	of	IN
en-wikipedia-org-1629	31	13	the	the	DT
en-wikipedia-org-1629	31	14	currency	currency	NN
en-wikipedia-org-1629	31	15	must	must	MD
en-wikipedia-org-1629	31	16	be	be	VB
en-wikipedia-org-1629	31	17	sufficiently	sufficiently	RB
en-wikipedia-org-1629	31	18	large	large	JJ
en-wikipedia-org-1629	31	19	to	to	TO
en-wikipedia-org-1629	31	20	justify	justify	VB
en-wikipedia-org-1629	31	21	the	the	DT
en-wikipedia-org-1629	31	22	cost	cost	NN
en-wikipedia-org-1629	31	23	to	to	TO
en-wikipedia-org-1629	31	24	rent	rent	VB
en-wikipedia-org-1629	31	25	hashing	hash	VBG
en-wikipedia-org-1629	31	26	power	power	NN
en-wikipedia-org-1629	31	27	.	.	.
en-wikipedia-org-1629	32	1	[	[	-LRB-
en-wikipedia-org-1629	32	2	6][7	6][7	LS
en-wikipedia-org-1629	32	3	]	]	-RRB-
en-wikipedia-org-1629	32	4	In	in	IN
en-wikipedia-org-1629	32	5	2014	2014	CD
en-wikipedia-org-1629	32	6	,	,	,
en-wikipedia-org-1629	32	7	mining	mining	NN
en-wikipedia-org-1629	32	8	pool	pool	NN
en-wikipedia-org-1629	32	9	Ghash.io	ghash.io	CD
en-wikipedia-org-1629	32	10	obtained	obtain	VBD
en-wikipedia-org-1629	32	11	51	51	CD
en-wikipedia-org-1629	32	12	%	%	NN
en-wikipedia-org-1629	32	13	hashing	hash	VBG
en-wikipedia-org-1629	32	14	power	power	NN
en-wikipedia-org-1629	32	15	in	in	IN
en-wikipedia-org-1629	32	16	Bitcoin	Bitcoin	NNP
en-wikipedia-org-1629	32	17	which	which	WDT
en-wikipedia-org-1629	32	18	raised	raise	VBD
en-wikipedia-org-1629	32	19	significant	significant	JJ
en-wikipedia-org-1629	32	20	controversies	controversy	NNS
en-wikipedia-org-1629	32	21	about	about	IN
en-wikipedia-org-1629	32	22	the	the	DT
en-wikipedia-org-1629	32	23	safety	safety	NN
en-wikipedia-org-1629	32	24	of	of	IN
en-wikipedia-org-1629	32	25	the	the	DT
en-wikipedia-org-1629	32	26	network	network	NN
en-wikipedia-org-1629	32	27	.	.	.
en-wikipedia-org-1629	33	1	The	the	DT
en-wikipedia-org-1629	33	2	pool	pool	NN
en-wikipedia-org-1629	33	3	has	have	VBZ
en-wikipedia-org-1629	33	4	voluntarily	voluntarily	RB
en-wikipedia-org-1629	33	5	capped	cap	VBN
en-wikipedia-org-1629	33	6	their	-PRON-	PRP$
en-wikipedia-org-1629	33	7	hashing	hash	VBG
en-wikipedia-org-1629	33	8	power	power	NN
en-wikipedia-org-1629	33	9	at	at	IN
en-wikipedia-org-1629	33	10	39.99	39.99	CD
en-wikipedia-org-1629	33	11	%	%	NN
en-wikipedia-org-1629	33	12	and	and	CC
en-wikipedia-org-1629	33	13	requested	request	VBD
en-wikipedia-org-1629	33	14	other	other	JJ
en-wikipedia-org-1629	33	15	pools	pool	NNS
en-wikipedia-org-1629	33	16	to	to	TO
en-wikipedia-org-1629	33	17	follow	follow	VB
en-wikipedia-org-1629	33	18	in	in	IN
en-wikipedia-org-1629	33	19	order	order	NN
en-wikipedia-org-1629	33	20	to	to	TO
en-wikipedia-org-1629	33	21	restore	restore	VB
en-wikipedia-org-1629	33	22	trust	trust	NN
en-wikipedia-org-1629	33	23	in	in	IN
en-wikipedia-org-1629	33	24	the	the	DT
en-wikipedia-org-1629	33	25	network	network	NN
en-wikipedia-org-1629	33	26	.	.	.
en-wikipedia-org-1629	34	1	[	[	-LRB-
en-wikipedia-org-1629	34	2	8	8	CD
en-wikipedia-org-1629	34	3	]	]	-RRB-
en-wikipedia-org-1629	34	4	References[edit	references[edit	NN
en-wikipedia-org-1629	34	5	]	]	-RRB-
en-wikipedia-org-1629	34	6	^	^	.
en-wikipedia-org-1629	34	7	The	the	DT
en-wikipedia-org-1629	34	8	Double	double	JJ
en-wikipedia-org-1629	34	9	Spending	spending	NN
en-wikipedia-org-1629	34	10	Problem	problem	NN
en-wikipedia-org-1629	34	11	and	and	CC
en-wikipedia-org-1629	34	12	Cryptocurrencies	cryptocurrencie	NNS
en-wikipedia-org-1629	34	13	.	.	.
en-wikipedia-org-1629	35	1	Banking	Banking	NNP
en-wikipedia-org-1629	35	2	&	&	CC
en-wikipedia-org-1629	35	3	Insurance	Insurance	NNP
en-wikipedia-org-1629	35	4	Journal	Journal	NNP
en-wikipedia-org-1629	35	5	.	.	.
en-wikipedia-org-1629	36	1	Social	Social	NNP
en-wikipedia-org-1629	36	2	Science	Science	NNP
en-wikipedia-org-1629	36	3	Research	Research	NNP
en-wikipedia-org-1629	36	4	Network	Network	NNP
en-wikipedia-org-1629	36	5	(	(	-LRB-
en-wikipedia-org-1629	36	6	SSRN	SSRN	NNP
en-wikipedia-org-1629	36	7	)	)	-RRB-
en-wikipedia-org-1629	36	8	.	.	.
en-wikipedia-org-1629	37	1	Accessed	access	VBN
en-wikipedia-org-1629	37	2	24	24	CD
en-wikipedia-org-1629	37	3	December	December	NNP
en-wikipedia-org-1629	37	4	2017	2017	CD
en-wikipedia-org-1629	37	5	.	.	.
en-wikipedia-org-1629	38	1	^	^	NNP
en-wikipedia-org-1629	38	2	a	a	DT
en-wikipedia-org-1629	38	3	b	b	NN
en-wikipedia-org-1629	38	4	c	c	NN
en-wikipedia-org-1629	38	5	Mark	Mark	NNP
en-wikipedia-org-1629	38	6	Ryan	Ryan	NNP
en-wikipedia-org-1629	38	7	.	.	.
en-wikipedia-org-1629	39	1	"	"	``
en-wikipedia-org-1629	39	2	Digital	Digital	NNP
en-wikipedia-org-1629	39	3	Cash	Cash	NNP
en-wikipedia-org-1629	39	4	"	"	''
en-wikipedia-org-1629	39	5	.	.	.
en-wikipedia-org-1629	40	1	School	School	NNP
en-wikipedia-org-1629	40	2	of	of	IN
en-wikipedia-org-1629	40	3	Computer	Computer	NNP
en-wikipedia-org-1629	40	4	Science	Science	NNP
en-wikipedia-org-1629	40	5	,	,	,
en-wikipedia-org-1629	40	6	University	University	NNP
en-wikipedia-org-1629	40	7	of	of	IN
en-wikipedia-org-1629	40	8	Birmingham	Birmingham	NNP
en-wikipedia-org-1629	40	9	.	.	.
en-wikipedia-org-1629	41	1	Retrieved	retrieve	VBN
en-wikipedia-org-1629	41	2	2017	2017	CD
en-wikipedia-org-1629	41	3	-	-	SYM
en-wikipedia-org-1629	41	4	05	05	CD
en-wikipedia-org-1629	41	5	-	-	HYPH
en-wikipedia-org-1629	41	6	27	27	CD
en-wikipedia-org-1629	41	7	.	.	.
en-wikipedia-org-1629	42	1	^	^	NNP
en-wikipedia-org-1629	42	2	Jaap	Jaap	NNP
en-wikipedia-org-1629	42	3	-	-	HYPH
en-wikipedia-org-1629	42	4	Henk	Henk	NNP
en-wikipedia-org-1629	42	5	Hoepman	Hoepman	NNP
en-wikipedia-org-1629	42	6	(	(	-LRB-
en-wikipedia-org-1629	42	7	2008	2008	CD
en-wikipedia-org-1629	42	8	)	)	-RRB-
en-wikipedia-org-1629	42	9	.	.	.
en-wikipedia-org-1629	43	1	"	"	``
en-wikipedia-org-1629	43	2	Distributed	distribute	VBN
en-wikipedia-org-1629	43	3	Double	double	JJ
en-wikipedia-org-1629	43	4	Spending	Spending	NNP
en-wikipedia-org-1629	43	5	Prevention	Prevention	NNP
en-wikipedia-org-1629	43	6	"	"	''
en-wikipedia-org-1629	43	7	.	.	.
en-wikipedia-org-1629	44	1	arXiv:0802.0832v1	arxiv:0802.0832v1	RB
en-wikipedia-org-1629	44	2	[	[	-LRB-
en-wikipedia-org-1629	44	3	cs	cs	NNP
en-wikipedia-org-1629	44	4	.	.	.
en-wikipedia-org-1629	44	5	CR	CR	NNP
en-wikipedia-org-1629	44	6	]	]	-RRB-
en-wikipedia-org-1629	44	7	.	.	.
en-wikipedia-org-1629	45	1	^	^	NNP
en-wikipedia-org-1629	45	2	Osipkov	Osipkov	NNP
en-wikipedia-org-1629	45	3	,	,	,
en-wikipedia-org-1629	45	4	I.	I.	NNP
en-wikipedia-org-1629	45	5	;	;	:
en-wikipedia-org-1629	45	6	Vasserman	Vasserman	NNP
en-wikipedia-org-1629	45	7	,	,	,
en-wikipedia-org-1629	45	8	E.	E.	NNP
en-wikipedia-org-1629	45	9	Y.	Y.	NNP
en-wikipedia-org-1629	45	10	;	;	:
en-wikipedia-org-1629	45	11	Hopper	Hopper	NNP
en-wikipedia-org-1629	45	12	,	,	,
en-wikipedia-org-1629	45	13	N.	N.	NNP
en-wikipedia-org-1629	45	14	;	;	:
en-wikipedia-org-1629	45	15	Kim	Kim	NNP
en-wikipedia-org-1629	45	16	,	,	,
en-wikipedia-org-1629	45	17	Y.	Y.	NNP
en-wikipedia-org-1629	46	1	(	(	-LRB-
en-wikipedia-org-1629	46	2	2007	2007	CD
en-wikipedia-org-1629	46	3	)	)	-RRB-
en-wikipedia-org-1629	46	4	.	.	.
en-wikipedia-org-1629	47	1	"	"	``
en-wikipedia-org-1629	47	2	Combating	combat	VBG
en-wikipedia-org-1629	47	3	Double	double	JJ
en-wikipedia-org-1629	47	4	-	-	HYPH
en-wikipedia-org-1629	47	5	Spending	spending	NN
en-wikipedia-org-1629	47	6	Using	use	VBG
en-wikipedia-org-1629	47	7	Cooperative	cooperative	JJ
en-wikipedia-org-1629	47	8	P2P	p2p	NN
en-wikipedia-org-1629	47	9	Systems	Systems	NNPS
en-wikipedia-org-1629	47	10	"	"	''
en-wikipedia-org-1629	47	11	.	.	.
en-wikipedia-org-1629	48	1	27th	27th	NNP
en-wikipedia-org-1629	48	2	International	International	NNP
en-wikipedia-org-1629	48	3	Conference	Conference	NNP
en-wikipedia-org-1629	48	4	on	on	IN
en-wikipedia-org-1629	48	5	Distributed	Distributed	NNP
en-wikipedia-org-1629	48	6	Computing	Computing	NNP
en-wikipedia-org-1629	48	7	Systems	Systems	NNPS
en-wikipedia-org-1629	48	8	(	(	-LRB-
en-wikipedia-org-1629	48	9	ICDCS	ICDCS	NNP
en-wikipedia-org-1629	48	10	'	'	''
en-wikipedia-org-1629	48	11	07	07	CD
en-wikipedia-org-1629	48	12	)	)	-RRB-
en-wikipedia-org-1629	48	13	.	.	.
en-wikipedia-org-1629	49	1	p.	p.	NN
en-wikipedia-org-1629	49	2	 	  	_SP
en-wikipedia-org-1629	49	3	41	41	CD
en-wikipedia-org-1629	49	4	.	.	.
en-wikipedia-org-1629	50	1	CiteSeerX	CiteSeerX	NNS
en-wikipedia-org-1629	50	2	 	  	_SP
en-wikipedia-org-1629	50	3	10.1.1.120.52	10.1.1.120.52	NNP
en-wikipedia-org-1629	50	4	.	.	.
en-wikipedia-org-1629	50	5	doi:10.1109	doi:10.1109	NNP
en-wikipedia-org-1629	50	6	/	/	SYM
en-wikipedia-org-1629	50	7	ICDCS.2007.91	ICDCS.2007.91	NNP
en-wikipedia-org-1629	50	8	.	.	.
en-wikipedia-org-1629	51	1	^	^	NNP
en-wikipedia-org-1629	51	2	Canellis	Canellis	NNP
en-wikipedia-org-1629	51	3	,	,	,
en-wikipedia-org-1629	51	4	David	David	NNP
en-wikipedia-org-1629	51	5	(	(	-LRB-
en-wikipedia-org-1629	51	6	2020	2020	CD
en-wikipedia-org-1629	51	7	-	-	HYPH
en-wikipedia-org-1629	51	8	01	01	CD
en-wikipedia-org-1629	51	9	-	-	HYPH
en-wikipedia-org-1629	51	10	27	27	CD
en-wikipedia-org-1629	51	11	)	)	-RRB-
en-wikipedia-org-1629	51	12	.	.	.
en-wikipedia-org-1629	52	1	"	"	``
en-wikipedia-org-1629	52	2	Bitcoin	Bitcoin	NNP
en-wikipedia-org-1629	52	3	Gold	Gold	NNP
en-wikipedia-org-1629	52	4	hit	hit	VBD
en-wikipedia-org-1629	52	5	by	by	IN
en-wikipedia-org-1629	52	6	51	51	CD
en-wikipedia-org-1629	52	7	%	%	NN
en-wikipedia-org-1629	52	8	attacks	attack	NNS
en-wikipedia-org-1629	52	9	,	,	,
en-wikipedia-org-1629	52	10	$	$	$
en-wikipedia-org-1629	52	11	72	72	CD
en-wikipedia-org-1629	52	12	K	k	NN
en-wikipedia-org-1629	52	13	in	in	IN
en-wikipedia-org-1629	52	14	cryptocurrency	cryptocurrency	NN
en-wikipedia-org-1629	52	15	double	double	RB
en-wikipedia-org-1629	52	16	-	-	HYPH
en-wikipedia-org-1629	52	17	spent	spend	VBN
en-wikipedia-org-1629	52	18	"	"	''
en-wikipedia-org-1629	52	19	.	.	.
en-wikipedia-org-1629	53	1	Hard	Hard	NNP
en-wikipedia-org-1629	53	2	Fork	Fork	NNP
en-wikipedia-org-1629	53	3	|	|	NNP
en-wikipedia-org-1629	53	4	The	the	DT
en-wikipedia-org-1629	53	5	Next	Next	NNP
en-wikipedia-org-1629	53	6	Web	web	NN
en-wikipedia-org-1629	53	7	.	.	.
en-wikipedia-org-1629	54	1	Retrieved	retrieve	VBN
en-wikipedia-org-1629	54	2	2020	2020	CD
en-wikipedia-org-1629	54	3	-	-	HYPH
en-wikipedia-org-1629	54	4	02	02	CD
en-wikipedia-org-1629	54	5	-	-	HYPH
en-wikipedia-org-1629	54	6	29	29	CD
en-wikipedia-org-1629	54	7	.	.	.
en-wikipedia-org-1629	55	1	^	^	FW
en-wikipedia-org-1629	55	2	"	"	``
en-wikipedia-org-1629	55	3	Cost	cost	NN
en-wikipedia-org-1629	55	4	of	of	IN
en-wikipedia-org-1629	55	5	a	a	DT
en-wikipedia-org-1629	55	6	51	51	CD
en-wikipedia-org-1629	55	7	%	%	NN
en-wikipedia-org-1629	55	8	Attack	attack	NN
en-wikipedia-org-1629	55	9	for	for	IN
en-wikipedia-org-1629	55	10	Different	different	JJ
en-wikipedia-org-1629	55	11	Cryptocurrencies	Cryptocurrencies	NNPS
en-wikipedia-org-1629	55	12	|	|	NNP
en-wikipedia-org-1629	55	13	Crypto51	Crypto51	NNP
en-wikipedia-org-1629	55	14	"	"	''
en-wikipedia-org-1629	55	15	.	.	.
en-wikipedia-org-1629	56	1	www.crypto51.app	www.crypto51.app	NNP
en-wikipedia-org-1629	56	2	.	.	.
en-wikipedia-org-1629	57	1	Retrieved	retrieve	VBN
en-wikipedia-org-1629	57	2	2020	2020	CD
en-wikipedia-org-1629	57	3	-	-	HYPH
en-wikipedia-org-1629	57	4	02	02	CD
en-wikipedia-org-1629	57	5	-	-	HYPH
en-wikipedia-org-1629	57	6	29	29	CD
en-wikipedia-org-1629	57	7	.	.	.
en-wikipedia-org-1629	58	1	^	^	NNP
en-wikipedia-org-1629	58	2	Varshney	varshney	NN
en-wikipedia-org-1629	58	3	,	,	,
en-wikipedia-org-1629	58	4	Neer	Neer	NNP
en-wikipedia-org-1629	58	5	(	(	-LRB-
en-wikipedia-org-1629	58	6	2018	2018	CD
en-wikipedia-org-1629	58	7	-	-	HYPH
en-wikipedia-org-1629	58	8	05	05	CD
en-wikipedia-org-1629	58	9	-	-	HYPH
en-wikipedia-org-1629	58	10	24	24	CD
en-wikipedia-org-1629	58	11	)	)	-RRB-
en-wikipedia-org-1629	58	12	.	.	.
en-wikipedia-org-1629	59	1	"	"	``
en-wikipedia-org-1629	59	2	Why	why	WRB
en-wikipedia-org-1629	59	3	Proof	Proof	NNP
en-wikipedia-org-1629	59	4	-	-	HYPH
en-wikipedia-org-1629	59	5	of	of	IN
en-wikipedia-org-1629	59	6	-	-	HYPH
en-wikipedia-org-1629	59	7	work	work	NN
en-wikipedia-org-1629	59	8	is	be	VBZ
en-wikipedia-org-1629	59	9	n't	not	RB
en-wikipedia-org-1629	59	10	suitable	suitable	JJ
en-wikipedia-org-1629	59	11	for	for	IN
en-wikipedia-org-1629	59	12	small	small	JJ
en-wikipedia-org-1629	59	13	cryptocurrencies	cryptocurrencie	NNS
en-wikipedia-org-1629	59	14	"	"	''
en-wikipedia-org-1629	59	15	.	.	.
en-wikipedia-org-1629	60	1	Hard	Hard	NNP
en-wikipedia-org-1629	60	2	Fork	Fork	NNP
en-wikipedia-org-1629	60	3	|	|	NNP
en-wikipedia-org-1629	60	4	The	the	DT
en-wikipedia-org-1629	60	5	Next	Next	NNP
en-wikipedia-org-1629	60	6	Web	web	NN
en-wikipedia-org-1629	60	7	.	.	.
en-wikipedia-org-1629	61	1	Retrieved	retrieve	VBN
en-wikipedia-org-1629	61	2	2018	2018	CD
en-wikipedia-org-1629	61	3	-	-	SYM
en-wikipedia-org-1629	61	4	05	05	CD
en-wikipedia-org-1629	61	5	-	-	HYPH
en-wikipedia-org-1629	61	6	25	25	CD
en-wikipedia-org-1629	61	7	.	.	.
en-wikipedia-org-1629	62	1	^	^	FW
en-wikipedia-org-1629	62	2	"	"	``
en-wikipedia-org-1629	62	3	Popular	Popular	NNP
en-wikipedia-org-1629	62	4	Bitcoin	Bitcoin	NNP
en-wikipedia-org-1629	62	5	Mining	Mining	NNP
en-wikipedia-org-1629	62	6	Pool	Pool	NNP
en-wikipedia-org-1629	62	7	Promises	promise	VBZ
en-wikipedia-org-1629	62	8	To	to	TO
en-wikipedia-org-1629	62	9	Restrict	restrict	VB
en-wikipedia-org-1629	62	10	Its	-PRON-	PRP$
en-wikipedia-org-1629	62	11	Compute	Compute	NNP
en-wikipedia-org-1629	62	12	Power	power	NN
en-wikipedia-org-1629	62	13	To	to	TO
en-wikipedia-org-1629	62	14	Prevent	prevent	VB
en-wikipedia-org-1629	62	15	Feared	fear	VBN
en-wikipedia-org-1629	62	16	'	'	POS
en-wikipedia-org-1629	62	17	51	51	CD
en-wikipedia-org-1629	62	18	%	%	NN
en-wikipedia-org-1629	62	19	'	'	``
en-wikipedia-org-1629	62	20	Fiasco	Fiasco	NNP
en-wikipedia-org-1629	62	21	"	"	''
en-wikipedia-org-1629	62	22	.	.	.
en-wikipedia-org-1629	63	1	TechCrunch	TechCrunch	NNP
en-wikipedia-org-1629	63	2	.	.	.
en-wikipedia-org-1629	64	1	Retrieved	retrieve	VBN
en-wikipedia-org-1629	64	2	2020	2020	CD
en-wikipedia-org-1629	64	3	-	-	HYPH
en-wikipedia-org-1629	64	4	02	02	CD
en-wikipedia-org-1629	64	5	-	-	HYPH
en-wikipedia-org-1629	64	6	29	29	CD
en-wikipedia-org-1629	64	7	.	.	.
en-wikipedia-org-1629	64	8	v	v	NNP
en-wikipedia-org-1629	64	9	t	t	NNP
en-wikipedia-org-1629	64	10	e	e	NNP
en-wikipedia-org-1629	64	11	Cryptocurrencies	Cryptocurrencies	NNP
en-wikipedia-org-1629	64	12	Technology	Technology	NNP
en-wikipedia-org-1629	64	13	Blockchain	Blockchain	NNP
en-wikipedia-org-1629	64	14	Cryptocurrency	Cryptocurrency	NNP
en-wikipedia-org-1629	64	15	tumbler	tumbler	NN
en-wikipedia-org-1629	64	16	Cryptocurrency	Cryptocurrency	NNP
en-wikipedia-org-1629	64	17	exchange	exchange	NN
en-wikipedia-org-1629	64	18	Cryptocurrency	Cryptocurrency	NNP
en-wikipedia-org-1629	64	19	wallet	wallet	NN
en-wikipedia-org-1629	64	20	Cryptographic	Cryptographic	NNP
en-wikipedia-org-1629	64	21	hash	hash	NN
en-wikipedia-org-1629	64	22	function	function	NN
en-wikipedia-org-1629	64	23	Distributed	distribute	VBN
en-wikipedia-org-1629	64	24	ledger	ledger	JJ
en-wikipedia-org-1629	64	25	Fork	Fork	NNP
en-wikipedia-org-1629	64	26	Lightning	Lightning	NNP
en-wikipedia-org-1629	64	27	Network	Network	NNP
en-wikipedia-org-1629	64	28	MetaMask	MetaMask	NNP
en-wikipedia-org-1629	64	29	Smart	Smart	NNP
en-wikipedia-org-1629	64	30	contract	contract	NN
en-wikipedia-org-1629	64	31	Consensus	Consensus	NNP
en-wikipedia-org-1629	64	32	mechanisms	mechanism	NNS
en-wikipedia-org-1629	64	33	Proof	Proof	NNP
en-wikipedia-org-1629	64	34	of	of	IN
en-wikipedia-org-1629	64	35	authority	authority	NN
en-wikipedia-org-1629	64	36	Proof	Proof	NNP
en-wikipedia-org-1629	64	37	of	of	IN
en-wikipedia-org-1629	64	38	personhood	personhood	NN
en-wikipedia-org-1629	64	39	Proof	Proof	NNP
en-wikipedia-org-1629	64	40	of	of	IN
en-wikipedia-org-1629	64	41	space	space	NN
en-wikipedia-org-1629	64	42	Proof	Proof	NNP
en-wikipedia-org-1629	64	43	of	of	IN
en-wikipedia-org-1629	64	44	stake	stake	NN
en-wikipedia-org-1629	64	45	Proof	Proof	NNP
en-wikipedia-org-1629	64	46	of	of	IN
en-wikipedia-org-1629	64	47	work	work	NN
en-wikipedia-org-1629	64	48	Proof	Proof	NNP
en-wikipedia-org-1629	64	49	of	of	IN
en-wikipedia-org-1629	64	50	work	work	NN
en-wikipedia-org-1629	64	51	currencies	currency	NNS
en-wikipedia-org-1629	64	52	SHA-256-based	sha-256-base	VBD
en-wikipedia-org-1629	64	53	Bitcoin	Bitcoin	NNP
en-wikipedia-org-1629	64	54	Bitcoin	Bitcoin	NNP
en-wikipedia-org-1629	64	55	Cash	Cash	NNP
en-wikipedia-org-1629	64	56	Counterparty	Counterparty	NNP
en-wikipedia-org-1629	64	57	LBRY	lbry	NN
en-wikipedia-org-1629	64	58	MazaCoin	MazaCoin	NNP
en-wikipedia-org-1629	64	59	Namecoin	Namecoin	NNP
en-wikipedia-org-1629	64	60	Peercoin	Peercoin	NNP
en-wikipedia-org-1629	64	61	Titcoin	Titcoin	NNP
en-wikipedia-org-1629	64	62	Ethash	Ethash	NNP
en-wikipedia-org-1629	64	63	-	-	HYPH
en-wikipedia-org-1629	64	64	based	base	VBN
en-wikipedia-org-1629	64	65	Ethereum	Ethereum	NNP
en-wikipedia-org-1629	64	66	Ethereum	Ethereum	NNP
en-wikipedia-org-1629	64	67	Classic	Classic	NNP
en-wikipedia-org-1629	64	68	Scrypt	Scrypt	NNP
en-wikipedia-org-1629	64	69	-	-	HYPH
en-wikipedia-org-1629	64	70	based	base	VBN
en-wikipedia-org-1629	64	71	Auroracoin	Auroracoin	NNP
en-wikipedia-org-1629	64	72	Bitconnect	Bitconnect	NNP
en-wikipedia-org-1629	64	73	Coinye	Coinye	NNP
en-wikipedia-org-1629	64	74	Dogecoin	Dogecoin	NNP
en-wikipedia-org-1629	64	75	Litecoin	Litecoin	NNP
en-wikipedia-org-1629	64	76	Equihash	Equihash	NNP
en-wikipedia-org-1629	64	77	-	-	HYPH
en-wikipedia-org-1629	64	78	based	base	VBN
en-wikipedia-org-1629	64	79	Bitcoin	Bitcoin	NNP
en-wikipedia-org-1629	64	80	Gold	Gold	NNP
en-wikipedia-org-1629	64	81	Zcash	Zcash	NNP
en-wikipedia-org-1629	64	82	RandomX	RandomX	NNP
en-wikipedia-org-1629	64	83	-	-	HYPH
en-wikipedia-org-1629	64	84	based	base	VBN
en-wikipedia-org-1629	64	85	Monero	Monero	NNP
en-wikipedia-org-1629	64	86	X11-based	X11-based	NNP
en-wikipedia-org-1629	64	87	Dash	Dash	NNP
en-wikipedia-org-1629	64	88	Petro	Petro	NNP
en-wikipedia-org-1629	64	89	Other	Other	NNP
en-wikipedia-org-1629	64	90	AmbaCoin	AmbaCoin	NNP
en-wikipedia-org-1629	64	91	Firo	Firo	NNP
en-wikipedia-org-1629	64	92	IOTA	IOTA	NNP
en-wikipedia-org-1629	64	93	Primecoin	Primecoin	NNP
en-wikipedia-org-1629	64	94	Verge	Verge	NNP
en-wikipedia-org-1629	64	95	Vertcoin	Vertcoin	NNP
en-wikipedia-org-1629	64	96	Proof	Proof	NNP
en-wikipedia-org-1629	64	97	of	of	IN
en-wikipedia-org-1629	64	98	stake	stake	NN
en-wikipedia-org-1629	64	99	currencies	currency	NNS
en-wikipedia-org-1629	64	100	Cardano	Cardano	NNP
en-wikipedia-org-1629	64	101	EOS.IO	EOS.IO	NNP
en-wikipedia-org-1629	64	102	Gridcoin	Gridcoin	NNP
en-wikipedia-org-1629	64	103	Nxt	Nxt	NNP
en-wikipedia-org-1629	64	104	Peercoin	Peercoin	NNP
en-wikipedia-org-1629	64	105	Polkadot	Polkadot	NNP
en-wikipedia-org-1629	64	106	Steem	Steem	NNP
en-wikipedia-org-1629	64	107	Tezos	Tezos	NNP
en-wikipedia-org-1629	64	108	TRON	tron	NN
en-wikipedia-org-1629	64	109	ERC-20	erc-20	NN
en-wikipedia-org-1629	64	110	tokens	token	NNS
en-wikipedia-org-1629	64	111	Augur	Augur	NNP
en-wikipedia-org-1629	64	112	Aventus	Aventus	NNP
en-wikipedia-org-1629	64	113	Bancor	Bancor	NNP
en-wikipedia-org-1629	64	114	Basic	Basic	NNP
en-wikipedia-org-1629	64	115	Attention	Attention	NNP
en-wikipedia-org-1629	64	116	Token	Token	NNP
en-wikipedia-org-1629	64	117	Chainlink	Chainlink	NNP
en-wikipedia-org-1629	64	118	Kin	Kin	NNP
en-wikipedia-org-1629	64	119	KodakCoin	KodakCoin	NNP
en-wikipedia-org-1629	64	120	Minds	mind	VBZ
en-wikipedia-org-1629	64	121	The	the	DT
en-wikipedia-org-1629	64	122	DAO	DAO	NNP
en-wikipedia-org-1629	64	123	Uniswap	Uniswap	NNP
en-wikipedia-org-1629	64	124	Stablecoins	Stablecoins	NNPS
en-wikipedia-org-1629	64	125	Dai	Dai	NNP
en-wikipedia-org-1629	64	126	Diem	Diem	NNP
en-wikipedia-org-1629	64	127	Tether	Tether	NNP
en-wikipedia-org-1629	64	128	USD	USD	NNP
en-wikipedia-org-1629	64	129	Coin	Coin	NNP
en-wikipedia-org-1629	64	130	Other	other	JJ
en-wikipedia-org-1629	64	131	currencies	currency	NNS
en-wikipedia-org-1629	64	132	Filecoin	filecoin	VBP
en-wikipedia-org-1629	64	133	GNU	GNU	NNP
en-wikipedia-org-1629	64	134	Taler	Taler	NNP
en-wikipedia-org-1629	64	135	Hashgraph	Hashgraph	NNP
en-wikipedia-org-1629	64	136	Nano	Nano	NNP
en-wikipedia-org-1629	64	137	NEO	NEO	NNP
en-wikipedia-org-1629	64	138	Ripple	Ripple	NNP
en-wikipedia-org-1629	64	139	Stellar	Stellar	NNP
en-wikipedia-org-1629	64	140	WhopperCoin	WhopperCoin	NNP
en-wikipedia-org-1629	64	141	Related	related	JJ
en-wikipedia-org-1629	64	142	topics	topic	NNS
en-wikipedia-org-1629	64	143	Airdrop	Airdrop	NNP
en-wikipedia-org-1629	64	144	BitLicense	BitLicense	NNP
en-wikipedia-org-1629	64	145	Blockchain	Blockchain	NNP
en-wikipedia-org-1629	64	146	game	game	NN
en-wikipedia-org-1629	64	147	Complementary	complementary	JJ
en-wikipedia-org-1629	64	148	currency	currency	NN
en-wikipedia-org-1629	64	149	Crypto	Crypto	NNP
en-wikipedia-org-1629	64	150	-	-	HYPH
en-wikipedia-org-1629	64	151	anarchism	anarchism	NN
en-wikipedia-org-1629	64	152	Cryptocurrency	Cryptocurrency	NNP
en-wikipedia-org-1629	64	153	bubble	bubble	NN
en-wikipedia-org-1629	64	154	Decentralized	Decentralized	NNP
en-wikipedia-org-1629	64	155	Finance	Finance	NNP
en-wikipedia-org-1629	64	156	Digital	Digital	NNP
en-wikipedia-org-1629	64	157	currency	currency	NN
en-wikipedia-org-1629	64	158	Double	double	JJ
en-wikipedia-org-1629	64	159	-	-	HYPH
en-wikipedia-org-1629	64	160	spending	spend	VBG
en-wikipedia-org-1629	64	161	Hyperledger	Hyperledger	NNP
en-wikipedia-org-1629	64	162	Initial	initial	JJ
en-wikipedia-org-1629	64	163	coin	coin	NN
en-wikipedia-org-1629	64	164	offering	offer	VBG
en-wikipedia-org-1629	64	165	Initial	initial	JJ
en-wikipedia-org-1629	64	166	exchange	exchange	NN
en-wikipedia-org-1629	64	167	offering	offer	VBG
en-wikipedia-org-1629	64	168	Initiative	Initiative	NNP
en-wikipedia-org-1629	64	169	Q	Q	NNP
en-wikipedia-org-1629	64	170	List	List	NNP
en-wikipedia-org-1629	64	171	of	of	IN
en-wikipedia-org-1629	64	172	cryptocurrencies	cryptocurrencie	NNS
en-wikipedia-org-1629	64	173	Non	non	JJ
en-wikipedia-org-1629	64	174	-	-	JJ
en-wikipedia-org-1629	64	175	fungible	fungible	JJ
en-wikipedia-org-1629	64	176	token	token	JJ
en-wikipedia-org-1629	64	177	Token	token	JJ
en-wikipedia-org-1629	64	178	money	money	NN
en-wikipedia-org-1629	64	179	Virtual	virtual	JJ
en-wikipedia-org-1629	64	180	currency	currency	NN
en-wikipedia-org-1629	64	181	Category	Category	NNP
en-wikipedia-org-1629	64	182	Commons	Commons	NNP
en-wikipedia-org-1629	64	183	List	List	NNP
en-wikipedia-org-1629	64	184	Retrieved	retrieve	VBN
en-wikipedia-org-1629	64	185	from	from	IN
en-wikipedia-org-1629	64	186	"	"	``
en-wikipedia-org-1629	64	187	https://en.wikipedia.org/w/index.php?title=Double-spending&oldid=1018658906	https://en.wikipedia.org/w/index.php?title=double-spending&oldid=1018658906	JJ
en-wikipedia-org-1629	64	188	"	"	''
en-wikipedia-org-1629	64	189	Categories	category	NNS
en-wikipedia-org-1629	64	190	:	:	:
en-wikipedia-org-1629	64	191	Digital	digital	JJ
en-wikipedia-org-1629	64	192	currencies	currency	NNS
en-wikipedia-org-1629	64	193	Financial	financial	JJ
en-wikipedia-org-1629	64	194	cryptography	cryptography	NN
en-wikipedia-org-1629	64	195	Payment	payment	NN
en-wikipedia-org-1629	64	196	systems	system	NNS
en-wikipedia-org-1629	64	197	Internet	internet	NN
en-wikipedia-org-1629	64	198	fraud	fraud	NN
en-wikipedia-org-1629	64	199	Distributed	distribute	VBN
en-wikipedia-org-1629	64	200	computing	compute	VBG
en-wikipedia-org-1629	64	201	Cryptocurrencies	cryptocurrencie	NNS
en-wikipedia-org-1629	64	202	Hidden	hide	VBN
en-wikipedia-org-1629	64	203	categories	category	NNS
en-wikipedia-org-1629	64	204	:	:	:
en-wikipedia-org-1629	64	205	Articles	article	NNS
en-wikipedia-org-1629	64	206	with	with	IN
en-wikipedia-org-1629	64	207	short	short	JJ
en-wikipedia-org-1629	64	208	description	description	NN
en-wikipedia-org-1629	64	209	Short	short	JJ
en-wikipedia-org-1629	64	210	description	description	NN
en-wikipedia-org-1629	64	211	matches	match	VBZ
en-wikipedia-org-1629	64	212	Wikidata	Wikidata	NNP
en-wikipedia-org-1629	64	213	Navigation	Navigation	NNP
en-wikipedia-org-1629	64	214	menu	menu	NN
en-wikipedia-org-1629	64	215	Personal	personal	JJ
en-wikipedia-org-1629	64	216	tools	tool	NNS
en-wikipedia-org-1629	64	217	Not	not	RB
en-wikipedia-org-1629	64	218	logged	log	VBN
en-wikipedia-org-1629	64	219	in	in	IN
en-wikipedia-org-1629	64	220	Talk	Talk	NNP
en-wikipedia-org-1629	64	221	Contributions	Contributions	NNP
en-wikipedia-org-1629	64	222	Create	Create	NNP
en-wikipedia-org-1629	64	223	account	account	NN
en-wikipedia-org-1629	64	224	Log	Log	NNP
en-wikipedia-org-1629	64	225	in	in	IN
en-wikipedia-org-1629	64	226	Namespaces	Namespaces	NNP
en-wikipedia-org-1629	64	227	Article	Article	NNP
en-wikipedia-org-1629	64	228	Talk	talk	NN
en-wikipedia-org-1629	64	229	Variants	variant	VBZ
en-wikipedia-org-1629	64	230	Views	view	NNS
en-wikipedia-org-1629	64	231	Read	read	VBP
en-wikipedia-org-1629	64	232	Edit	edit	NN
en-wikipedia-org-1629	64	233	View	View	NNP
en-wikipedia-org-1629	64	234	history	history	NN
en-wikipedia-org-1629	64	235	More	More	JJR
en-wikipedia-org-1629	64	236	Search	Search	NNP
en-wikipedia-org-1629	64	237	Navigation	Navigation	NNP
en-wikipedia-org-1629	64	238	Main	Main	NNP
en-wikipedia-org-1629	64	239	page	page	NN
en-wikipedia-org-1629	64	240	Contents	content	VBZ
en-wikipedia-org-1629	64	241	Current	current	JJ
en-wikipedia-org-1629	64	242	events	event	NNS
en-wikipedia-org-1629	64	243	Random	random	JJ
en-wikipedia-org-1629	64	244	article	article	NN
en-wikipedia-org-1629	64	245	About	about	IN
en-wikipedia-org-1629	64	246	Wikipedia	Wikipedia	NNP
en-wikipedia-org-1629	64	247	Contact	Contact	NNP
en-wikipedia-org-1629	64	248	us	-PRON-	PRP
en-wikipedia-org-1629	64	249	Donate	Donate	NNP
en-wikipedia-org-1629	64	250	Contribute	contribute	NN
en-wikipedia-org-1629	64	251	Help	help	NN
en-wikipedia-org-1629	64	252	Learn	learn	VB
en-wikipedia-org-1629	64	253	to	to	TO
en-wikipedia-org-1629	64	254	edit	edit	VB
en-wikipedia-org-1629	64	255	Community	community	NN
en-wikipedia-org-1629	64	256	portal	portal	JJ
en-wikipedia-org-1629	64	257	Recent	recent	JJ
en-wikipedia-org-1629	64	258	changes	change	NNS
en-wikipedia-org-1629	64	259	Upload	upload	JJ
en-wikipedia-org-1629	64	260	file	file	NN
en-wikipedia-org-1629	64	261	Tools	tool	NNS
en-wikipedia-org-1629	64	262	What	what	WP
en-wikipedia-org-1629	64	263	links	link	NNS
en-wikipedia-org-1629	64	264	here	here	RB
en-wikipedia-org-1629	64	265	Related	relate	VBN
en-wikipedia-org-1629	64	266	changes	change	VBZ
en-wikipedia-org-1629	64	267	Upload	upload	JJ
en-wikipedia-org-1629	64	268	file	file	VBP
en-wikipedia-org-1629	64	269	Special	special	JJ
en-wikipedia-org-1629	64	270	pages	page	NNS
en-wikipedia-org-1629	64	271	Permanent	permanent	JJ
en-wikipedia-org-1629	64	272	link	link	NN
en-wikipedia-org-1629	64	273	Page	Page	NNP
en-wikipedia-org-1629	64	274	information	information	NN
en-wikipedia-org-1629	64	275	Cite	cite	VB
en-wikipedia-org-1629	64	276	this	this	DT
en-wikipedia-org-1629	64	277	page	page	NN
en-wikipedia-org-1629	64	278	Wikidata	wikidata	NN
en-wikipedia-org-1629	64	279	item	item	NN
en-wikipedia-org-1629	64	280	Print	print	NN
en-wikipedia-org-1629	64	281	/	/	SYM
en-wikipedia-org-1629	64	282	export	export	NN
en-wikipedia-org-1629	64	283	Download	Download	NNP
en-wikipedia-org-1629	64	284	as	as	IN
en-wikipedia-org-1629	64	285	PDF	PDF	NNP
en-wikipedia-org-1629	64	286	Printable	Printable	NNP
en-wikipedia-org-1629	64	287	version	version	NN
en-wikipedia-org-1629	64	288	Languages	language	VBZ
en-wikipedia-org-1629	64	289	العربية	العربية	NNP
en-wikipedia-org-1629	64	290	Español	Español	NNP
en-wikipedia-org-1629	64	291	فارسی	فارسی	JJ
en-wikipedia-org-1629	64	292	Français	Français	NNP
en-wikipedia-org-1629	64	293	Italiano	Italiano	NNP
en-wikipedia-org-1629	64	294	Português	Português	NNP
en-wikipedia-org-1629	64	295	Русский	Русский	NNP
en-wikipedia-org-1629	64	296	中文	中文	NNP
en-wikipedia-org-1629	64	297	Edit	Edit	NNP
en-wikipedia-org-1629	64	298	links	link	NNS
en-wikipedia-org-1629	64	299	This	this	DT
en-wikipedia-org-1629	64	300	page	page	NN
en-wikipedia-org-1629	64	301	was	be	VBD
en-wikipedia-org-1629	64	302	last	last	RB
en-wikipedia-org-1629	64	303	edited	edit	VBN
en-wikipedia-org-1629	64	304	on	on	IN
en-wikipedia-org-1629	64	305	19	19	CD
en-wikipedia-org-1629	64	306	April	April	NNP
en-wikipedia-org-1629	64	307	2021	2021	CD
en-wikipedia-org-1629	64	308	,	,	,
en-wikipedia-org-1629	64	309	at	at	IN
en-wikipedia-org-1629	64	310	06:08	06:08	CD
en-wikipedia-org-1629	64	311	 	  	_SP
en-wikipedia-org-1629	64	312	(	(	-LRB-
en-wikipedia-org-1629	64	313	UTC	UTC	NNP
en-wikipedia-org-1629	64	314	)	)	-RRB-
en-wikipedia-org-1629	64	315	.	.	.
en-wikipedia-org-1629	65	1	Text	text	NN
en-wikipedia-org-1629	65	2	is	be	VBZ
en-wikipedia-org-1629	65	3	available	available	JJ
en-wikipedia-org-1629	65	4	under	under	IN
en-wikipedia-org-1629	65	5	the	the	DT
en-wikipedia-org-1629	65	6	Creative	Creative	NNP
en-wikipedia-org-1629	65	7	Commons	Commons	NNP
en-wikipedia-org-1629	65	8	Attribution	Attribution	NNP
en-wikipedia-org-1629	65	9	-	-	HYPH
en-wikipedia-org-1629	65	10	ShareAlike	ShareAlike	NNP
en-wikipedia-org-1629	65	11	License	License	NNP
en-wikipedia-org-1629	65	12	;	;	,
en-wikipedia-org-1629	65	13	additional	additional	JJ
en-wikipedia-org-1629	65	14	terms	term	NNS
en-wikipedia-org-1629	65	15	may	may	MD
en-wikipedia-org-1629	65	16	apply	apply	VB
en-wikipedia-org-1629	65	17	.	.	.
en-wikipedia-org-1629	66	1	By	by	IN
en-wikipedia-org-1629	66	2	using	use	VBG
en-wikipedia-org-1629	66	3	this	this	DT
en-wikipedia-org-1629	66	4	site	site	NN
en-wikipedia-org-1629	66	5	,	,	,
en-wikipedia-org-1629	66	6	you	-PRON-	PRP
en-wikipedia-org-1629	66	7	agree	agree	VBP
en-wikipedia-org-1629	66	8	to	to	IN
en-wikipedia-org-1629	66	9	the	the	DT
en-wikipedia-org-1629	66	10	Terms	term	NNS
en-wikipedia-org-1629	66	11	of	of	IN
en-wikipedia-org-1629	66	12	Use	Use	NNP
en-wikipedia-org-1629	66	13	and	and	CC
en-wikipedia-org-1629	66	14	Privacy	Privacy	NNP
en-wikipedia-org-1629	66	15	Policy	Policy	NNP
en-wikipedia-org-1629	66	16	.	.	.
en-wikipedia-org-1629	67	1	Wikipedia	Wikipedia	NNP
en-wikipedia-org-1629	67	2	®	®	NNPS
en-wikipedia-org-1629	67	3	is	be	VBZ
en-wikipedia-org-1629	67	4	a	a	DT
en-wikipedia-org-1629	67	5	registered	registered	JJ
en-wikipedia-org-1629	67	6	trademark	trademark	NN
en-wikipedia-org-1629	67	7	of	of	IN
en-wikipedia-org-1629	67	8	the	the	DT
en-wikipedia-org-1629	67	9	Wikimedia	Wikimedia	NNP
en-wikipedia-org-1629	67	10	Foundation	Foundation	NNP
en-wikipedia-org-1629	67	11	,	,	,
en-wikipedia-org-1629	67	12	Inc.	Inc.	NNP
en-wikipedia-org-1629	67	13	,	,	,
en-wikipedia-org-1629	67	14	a	a	DT
en-wikipedia-org-1629	67	15	non	non	JJ
en-wikipedia-org-1629	67	16	-	-	JJ
en-wikipedia-org-1629	67	17	profit	profit	JJ
en-wikipedia-org-1629	67	18	organization	organization	NN
en-wikipedia-org-1629	67	19	.	.	.
en-wikipedia-org-1629	68	1	Privacy	privacy	NN
en-wikipedia-org-1629	68	2	policy	policy	NN
en-wikipedia-org-1629	68	3	About	about	IN
en-wikipedia-org-1629	68	4	Wikipedia	Wikipedia	NNP
en-wikipedia-org-1629	68	5	Disclaimers	Disclaimers	NNPS
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en-wikipedia-org-1629	68	13	statement	statement	NN