What is the Kryptos CTF?

The Kryptos CTF is a cryptography capture-the-flag challenge from Paradigm featuring 10 new puzzles of increasing difficulty. It offers $10,000 in prizes across 10 prize pools.

The Kryptos CTF awards $10,000 in total, distributed across 10 separate prize pools.

How do I enter the Kryptos CTF?

Entry is online through the Kryptos CTF page at paradigm.xyz/kryptos-ctf.

Kryptos CTF Leaderboard: $10,000 in Prizes

KryptosLeaderboardKryptos CTF

All Puzzles Leaderboard Rules

Puzzle	Player	Solved (UTC)	First Attempt (UTC)	No. Attempts
PK1	@0xf4d3	2026-06-12 14:17Z	2026-06-12 14:17Z	1
PK2	@98_akr	2026-06-12 14:30Z	2026-06-12 14:30Z	1
PK3	@zhygis	2026-06-12 14:54Z	2026-06-12 14:54Z	1
PK4	@98_akr	2026-06-12 14:56Z	2026-06-12 14:56Z	1
PK5	@0xtanishk	2026-06-12 15:53Z	2026-06-12 15:53Z	1
PK6	@98_akr	2026-06-12 17:43Z	2026-06-12 17:43Z	1
PK7	@crook3dfingers	2026-06-13 12:27Z	2026-06-13 12:27Z	1
PK8	unsolved	--	--	--
PK9	unsolved	--	--	--
PK10	unsolved	--	--	--

Puzzle

Player

Solved (UTC)

First Attempt (UTC)

No. Attempts

PK1

@0xf4d3

2026-06-12 14:17Z

PK2

@98_akr

2026-06-12 14:30Z

PK3

@zhygis

2026-06-12 14:54Z

PK4

@98_akr

2026-06-12 14:56Z

PK5

@0xtanishk

2026-06-12 15:53Z

PK6

@98_akr

2026-06-12 17:43Z

PK7

@crook3dfingers

2026-06-13 12:27Z

PK8

unsolved

PK9

unsolved

PK10

unsolved

Rank	Player	Avg Attempts / Solve	Puzzles Solved	No. Puzzles
#1	@crook3dfingers	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#2	@5ud0er	1.14	PK 1,2,3,4,5,6,7,8,9,10	7
#3	@forwardsecrecy	1.29	PK 1,2,3,4,5,6,7,8,9,10	7
#4	@mcculloughirvin	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#5	@bitwizemusic	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#6	@secxena	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#7	@basedfk	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#8	@CryptoQuant	1.14	PK 1,2,3,4,5,6,7,8,9,10	7
#9	@bdesnos	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#10	@anshu4321	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#11	@tonic_0x	1.43	PK 1,2,3,4,5,6,7,8,9,10	7
#12	@UNDA_UMBRA	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#13	@TTFH3500	1.14	PK 1,2,3,4,5,6,7,8,9,10	7
#14	@sartini_daniele	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#15	@mdl247	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#16	@LazlosBatForm	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#17	@JeffLCoughlin	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#18	@0xdiid	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#19	@tek_kac	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#20	@fluffypony	1.29	PK 1,2,3,4,5,6,7,8,9,10	7
#21	@oddhash	1.14	PK 1,2,3,4,5,6,7,8,9,10	7
#22	@RahulJaguste	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#23	@0xtanishk	1.17	PK 1,2,3,4,5,6,7,8,9,10	6
#24	@eugenioclrc	1.00	PK 1,2,3,4,5,6,7,8,9,10	6
#25	@_newhaiku	1.00	PK 1,2,3,4,5,6,7,8,9,10	6
#26	@MahdiSPHP	1.00	PK 1,2,3,4,5,6,7,8,9,10	6
#27	@98_akr	1.00	PK 1,2,3,4,5,6,7,8,9,10	6
#28	@jravennet	1.33	PK 1,2,3,4,5,6,7,8,9,10	6
#29	@silixonic	1.00	PK 1,2,3,4,5,6,7,8,9,10	6
#30	@juliusLboo	1.17	PK 1,2,3,4,5,6,7,8,9,10	6
#31	@ddallaire25	1.00	PK 1,2,3,4,5,6,7,8,9,10	6
#32	@ohio_mandy	1.00	PK 1,2,3,4,5,6,7,8,9,10	6
#33	@0xRampey	1.00	PK 1,2,3,4,5,6,7,8,9,10	6
#34	@immortofu	1.20	PK 1,2,3,4,5,6,7,8,9,10	5
#35	@meditationduck	1.40	PK 1,2,3,4,5,6,7,8,9,10	5
#36	@CyberpigeonB	1.00	PK 1,2,3,4,5,6,7,8,9,10	5
#37	@0xhighskore	1.40	PK 1,2,3,4,5,6,7,8,9,10	5
#38	@hydrargyraceous	1.00	PK 1,2,3,4,5,6,7,8,9,10	5
#39	@42Bchen	1.00	PK 1,2,3,4,5,6,7,8,9,10	5
#40	@jackzampolin	1.00	PK 1,2,3,4,5,6,7,8,9,10	4
#41	@Octal_Crypto	1.25	PK 1,2,3,4,5,6,7,8,9,10	4
#42	@AdamShao	1.25	PK 1,2,3,4,5,6,7,8,9,10	4
#43	@josusanmartin	1.25	PK 1,2,3,4,5,6,7,8,9,10	4
#44	@DivijMot	1.00	PK 1,2,3,4,5,6,7,8,9,10	4
#45	@burgermotorange	1.25	PK 1,2,3,4,5,6,7,8,9,10	4
#46	@Sebasti90618338	1.75	PK 1,2,3,4,5,6,7,8,9,10	4
#47	@YupiG_Crypto	1.00	PK 1,2,3,4,5,6,7,8,9,10	4
#48	@leanthebean	1.00	PK 1,2,3,4,5,6,7,8,9,10	4
#49	@chris_m_hair	1.00	PK 1,2,3,4,5,6,7,8,9,10	4
#50	@dhattarwalm0hit	1.00	PK 1,2,3,4,5,6,7,8,9,10	4

Rank

Player

Avg Attempts / Solve

Puzzles Solved

No. Puzzles

@crook3dfingers

1.00