Welcome to The Genesis Block

Original cryptography contests for people who break systems for a living.

Cryptography Puzzle Breakthroughs Tanui runs timed, prize-driven CTF events built around breakthrough-level constructions — ECC, lattices, side-channels, protocols. Not recycled public sets.

Live prize
$25,000
Teams
148
Open puzzles
4

Live contest

Live

Genesis Block VII

Ends in 17:49:40

Timed breakthrough track for practitioners. Original constructions only — no recycled public CTF sets.

Prize pool
$25,000
Window
24 Jul, 13:00 UTC → 27 Jul, 13:00 UTC
ECCLatticeSide-ChannelRSA
Open arena →

Active board

Puzzles in play

Full set

Live standings

Leaderboard

Full board
#HandleScore
1black_modulusField Descent · KE1350
2cipher_unit_42Lattice Choir · DE1200
3n_is_compositeCRT Cartel · US950
4pairing_ghostBilinear North · FR850
5mask_runnerPower Floor · JP750
6short_vectorBKZ Night · NL700
7faulty_limbRedundant Path · SG500
8oracle_biasMSB Collective · GB400

Pipeline

Upcoming contests

All contests

Invite-weighted contest for high-signal RSA and protocol recovery work under competitive time pressure.

15 Aug, 15:00 UTC → 17 Aug, 15:00 UTC