About block 921,619
Bitcoin block 921,619 was mined by F2Pool on October 31, 2025 at 1:30 PM UTC, 8 min 9 s after block 921,618. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,138 transactions in 1.17 MB (68.4% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, and all fees added up to 0.0179 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1429 BTC for this block.
Block 921,619 is number 308 of 2,016 in difficulty epoch 457; 1,708 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,381 blocks after this one.
Its hash starts with 19 zeros: that is the proof of work, a number below the target that the whole network’s hashrate had to search for. F2Pool found 170 blocks in the week before. Today the block has 51,932 confirmations, so it is settled beyond any practical doubt.