About block 921,451
Bitcoin block 921,451 was mined by F2Pool on October 30, 2025 at 11:01 AM UTC, 16 min 17 s after block 921,450. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 3,037 transactions in 1.46 MB (86.2% 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 0.0207 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1457 BTC for this block.
Block 921,451 is number 140 of 2,016 in difficulty epoch 457; 1,876 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,549 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 52,120 confirmations, so it is settled beyond any practical doubt.