Bitcoin Puzzle #81

UNSOLVED

Overview

Address15qsCm78whspNQFydGJQk5rexzxTQopnHZ
Hash160351e605fac813965951ba433b7c2956bf8ad95ce
Prize8.1 BTC
Live balance8.10001500 BTC
StatusUNSOLVED

Cryptographic data

Public keynot exposed yet (address has never been spent from)
Key range
100000000000000000000  …  1ffffffffffffffffffff
280 ≤ k < 281  ·  81-bit key space

Verify on-chain

mempool.space blockstream.info blockchain.com privatekeys.pw

Use this data

JSONGET /api/v1/puzzle/81
By addressGET /api/v1/address/15qsCm78whspNQFydGJQk5rexzxTQopnHZ
Full catalogGET /api/v1/puzzles
Live streamGET /api/puzzles/stream (SSE)