$SatGuesser
This is true cryptography: a slot machine web game where every spin randomly generates a Bitcoin private key and derives the address, checking if it matches a Satoshi wallet—hitting it means that random number is the real private key. Each spin randomly generates a 256-bit number, derives a Bitcoin address via the secp256k1 elliptic curve, and then uses a Bloom filter to compare against about 22,000 Satoshi addresses. The hit probability is extremely low (about 1/5.27×10⁷²), but the cryptography process is real: a derived address match means that random number is the wallet's private key—no server verification needed.