About block 921,657
Bitcoin block 921,657 was mined by F2Pool on October 31, 2025 at 8:33 PM UTC, 5 min 18 s after block 921,656. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,357 transactions in 1.51 MB (100.0% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, down from 4.00 sat/vB in the block before, and all fees added up to 0.0290 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1540 BTC for this block.
Block 921,657 is number 346 of 2,016 in difficulty epoch 457; 1,670 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,343 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 51,875 confirmations, so it is settled beyond any practical doubt.