The Bitcoin Puzzle Challenge, a decade-old onchain bounty system now holding roughly 916.52 BTC worth approximately $58.87 million at current prices, sits at a new frontier as community solvers push past Puzzle 70 and set their sights on a 71-bit keyspace target that pool telemetry suggests could take centuries to brute-force. A Challenge Built Over []
Key Hunters Eye $58.87M Bitcoin Puzzle as 916 BTC Sits Unsolved in 78 Addresses
Bitcoin.com - 23 Jun 2026 15:20
The Bitcoin Puzzle Challenge, a decade-old onchain bounty system now holding roughly 916.52 BTC worth approximately $58.87 million at current prices, sits at a new frontier as community solvers push past Puzzle 70 and set their sights on a 71-bit keyspace target that pool telemetry suggests could take centuries to brute-force. A Challenge Built Over []
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