Solo miner spends $86 on hashpower to win 3.152 BTC block reward worth about $271,000

On December 19, 2025, a solo miner using NiceHash secured Bitcoin block #928,351 with less than $100 of rented hashpower, earning a 3.152 BTC reward valued at roughly $271,000. Recent on-chain data highlight several rare solo-mining block wins, even as JPMorgan reports four consecutive months of declining Bitcoin mining profitability amid a rising global hash rate.