About block 921,578
Bitcoin block 921,578 was mined by F2Pool on October 31, 2025 at 6:31 AM UTC, 9 min 19 s after block 921,577. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,381 transactions in 1.08 MB (65.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0142 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1392 BTC for this block.
Block 921,578 is number 267 of 2,016 in difficulty epoch 457; 1,749 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,422 blocks after this one.
Its hash starts with 20 zeros: that is the proof of work, a number below the target that the whole network’s hashrate had to search for. F2Pool found 172 blocks in the week before. Today the block has 51,954 confirmations, so it is settled beyond any practical doubt.