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	unsolved	--	--	--
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

unsolved

PK8

unsolved

PK9

unsolved

PK10

unsolved

Rank	Player	Avg Attempts / Solve	Puzzles Solved	No. Puzzles
#1	@0xtanishk	1.17	PK 1,2,3,4,5,6,7,8,9,10	6
#2	@98_akr	1.00	PK 1,2,3,4,5,6,7,8,9,10	4
#3	@jackzampolin	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#4	@immortofu	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#5	@oddhash	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#6	@0xchetan	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#7	@zhygis	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#8	@eugenioclrc	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#9	@sayodotfun	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#10	@0xSrMessi	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#11	@zk_bit	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#12	@figtracer	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#13	@crook3dfingers	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#14	@avinashnayak27	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#15	@CyberpigeonB	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#16	@yevhenx	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#17	@_newhaiku	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#18	@lil_ril_	1.00	PK 1,2,3,4,5,6,7,8,9,10	3
#19	@CarlBeek	1.33	PK 1,2,3,4,5,6,7,8,9,10	3
#20	@AdamShao	1.33	PK 1,2,3,4,5,6,7,8,9,10	3
#21	@josusanmartin	1.33	PK 1,2,3,4,5,6,7,8,9,10	3
#22	@0x_Osprey	1.00	PK 1,2,3,4,5,6,7,8,9,10	2
#23	@thedanielgorrie	1.00	PK 1,2,3,4,5,6,7,8,9,10	2
#24	@0xMasonH	1.00	PK 1,2,3,4,5,6,7,8,9,10	2
#25	@bookdepth	1.00	PK 1,2,3,4,5,6,7,8,9,10	2
#26	@silixonic	1.00	PK 1,2,3,4,5,6,7,8,9,10	2
#27	@meditationduck	1.00	PK 1,2,3,4,5,6,7,8,9,10	2
#28	@W_Y_X	1.00	PK 1,2,3,4,5,6,7,8,9,10	2
#29	@krypdos	1.50	PK 1,2,3,4,5,6,7,8,9,10	2
#30	@nftooor	1.50	PK 1,2,3,4,5,6,7,8,9,10	2
#31	@dctrpr	1.00	PK 1,2,3,4,5,6,7,8,9,10	1
#32	@rscott0k	1.00	PK 1,2,3,4,5,6,7,8,9,10	1
#33	@gadilo	1.00	PK 1,2,3,4,5,6,7,8,9,10	1
#34	@DAlgo86297	1.00	PK 1,2,3,4,5,6,7,8,9,10	1
#35	@0xf4d3	1.00	PK 1,2,3,4,5,6,7,8,9,10	1
#36	@plutodunk	1.00	PK 1,2,3,4,5,6,7,8,9,10	1
#37	@basedfk	1.00	PK 1,2,3,4,5,6,7,8,9,10	1
#38	@yelaryss	1.00	PK 1,2,3,4,5,6,7,8,9,10	1
#39	@AshiqAmien	1.00	PK 1,2,3,4,5,6,7,8,9,10	1
#40	@yuradmt	1.00	PK 1,2,3,4,5,6,7,8,9,10	1
#41	@andyweng_	1.00	PK 1,2,3,4,5,6,7,8,9,10	1
#42	@5ud0er	1.00	PK 1,2,3,4,5,6,7,8,9,10	1

Rank

Player

Avg Attempts / Solve

Puzzles Solved

No. Puzzles

@0xtanishk

1.17