Solo Miner Turns $75 into $200,000 Bitcoin Block Reward Using Rented Hashrate

An independent Bitcoin miner recently achieved a rare feat by validating an entire block (Block 938092) and earning the full 3.125 BTC subsidy, valued at approximately $200,000, after investing only about $75 on rented computing power.

The miner rented about 1 petahash per second (PH/s) of hashpower via an on-demand service, costing roughly 119,000 satoshis ($75), and coordinated the effort using CKPool, which allows solo miners to keep the entire reward.

This event is highly unusual because large mining pools dominate block production due to massive combined hashpower. Solo wins, especially using modest rented compute, are statistical outliers akin to lottery wins. The timing may have been influenced by recent volatility in Bitcoin's mining difficulty, which had sharply rebounded after weather-related outages temporarily lowered the overall network hash rate, potentially creating better odds for smaller, temporary bets.

(Source：Bitcoin Magazine)