About block 921,681
Bitcoin block 921,681 was mined by Unknown on October 31, 2025 at 11:47 PM UTC, 6 min 48 s after block 921,680. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,285 transactions in 1.72 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 1.00 sat/vB in the block before, and all fees added up to 0.0140 BTC. With the 3.125 BTC subsidy of halving era 5, Unknown earned 3.1390 BTC for this block.
Block 921,681 is number 370 of 2,016 in difficulty epoch 457; 1,646 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,319 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. Unknown found 13 blocks in the week before. Today the block has 51,845 confirmations, so it is settled beyond any practical doubt.