About block 921,891
Bitcoin block 921,891 was mined by F2Pool on November 2, 2025 at 9:36 AM UTC, 1 min 40 s after block 921,890. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 422 transactions in 0.20 MB (11.4% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0026 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1276 BTC for this block.
Block 921,891 is number 580 of 2,016 in difficulty epoch 457; 1,436 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,109 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 171 blocks in the week before. Today the block has 51,647 confirmations, so it is settled beyond any practical doubt.