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	1.43	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	1.14	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	@0xRampey	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#24	@BergKimmo	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#25	@MahdiSPHP	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#26	@juliusLboo	1.14	PK 1,2,3,4,5,6,7,8,9,10	7
#27	@ohio_mandy	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#28	@SuribachiPoems	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#29	@_newhaiku	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#30	@thericardoli	1.29	PK 1,2,3,4,5,6,7,8,9,10	7
#31	@NateMcCord	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#32	@CyberpigeonB	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#33	@0xpolyglot	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#34	@ddallaire25	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#35	@kylekkkkwu61	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#36	@AdamShao	1.14	PK 1,2,3,4,5,6,7,8,9,10	7
#37	@DavidJorda42197	1.71	PK 1,2,3,4,5,6,7,8,9,10	7
#38	@tonysblabla	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#39	@jravennet	1.29	PK 1,2,3,4,5,6,7,8,9,10	7
#40	@silixonic	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#41	@RobertBurrowes	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#42	@avinashnayak27	1.14	PK 1,2,3,4,5,6,7,8,9,10	7
#43	@fordgt1111	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#44	@matbalez	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#45	@AndrewMohawk	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#46	@0xseiryu	2.00	PK 1,2,3,4,5,6,7,8,9,10	7
#47	@l_ju_l	1.29	PK 1,2,3,4,5,6,7,8,9,10	7
#48	@uAreARedCarrot	1.00	PK 1,2,3,4,5,6,7,8,9,10	7
#49	@drob	1.14	PK 1,2,3,4,5,6,7,8,9,10	7
#50	@timeleft777	1.00	PK 1,2,3,4,5,6,7,8,9,10	7

Rank

Player

Avg Attempts / Solve

Puzzles Solved

No. Puzzles

@crook3dfingers

1.00