About block 921,255
Bitcoin block 921,255 was mined by F2Pool on October 28, 2025 at 11:17 PM UTC, 4 min 12 s after block 921,254. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 918 transactions in 0.56 MB (33.2% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0075 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1325 BTC for this block.
Block 921,255 is number 1,960 of 2,016 in difficulty epoch 456; 56 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,745 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 52,281 confirmations, so it is settled beyond any practical doubt.