test your conviction
Quiz
Four headline modes — the original gauntlet, a date-seeded daily five, and two thirty-question deep dives — plus topic drills for when you want to find out exactly where the gap is. All scores feed into the All-time and Daily leaderboards.
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Headline modes
The Gauntlet
The original 15-question quiz, drawn from the main pool.
15 questions · 5 easy / 6 medium / 4 hard
Start →
Daily Quiz
Five questions, seeded by today's UTC date. Same set for every player today. Build a streak.
5 questions · resets at UTC midnight
Play today's →
OG History
Thirty questions on early Bitcoin lore — cypherpunks, Mt. Gox, Silk Road, the block-size war. Covers 2008 through 2017.
30 questions · Challenging · names, dates, block heights
Begin →
Expert Cryptography
Thirty hard questions on protocol guts — curves, BIPs, byte counts, edge cases. Experts only.
30 questions · Experts only · BIPs, curve math, byte counts
Begin →
Topic quizzes
Ten questions, one topic. Drilled-down version of the gauntlet for when you want to find out exactly where the gap is.
Cryptography
Hashes, signatures, Schnorr, Taproot, scripts.
10 questions · 15 in pool
Open →
Wallets
Keys, seeds, derivation, address formats.
10 questions · 14 in pool
Open →
Mining
Proof-of-work, difficulty, ASICs, coinbase.
10 questions · 15 in pool
Open →
Network
Mempool, propagation, forks, validation.
10 questions · 15 in pool
Open →
Lightning
Channels, HTLCs, routing, liquidity.
10 questions · 15 in pool
Open →
Economics
Supply schedule, monetary thesis, lost coins.
10 questions · 14 in pool
Open →
History
Cypherpunks, whitepaper, wars, milestones.
10 questions · 23 in pool
Open →
180 questions in the pool — and growing.