About block 921,388
Bitcoin block 921,388 was mined by SpiderPool on October 30, 2025 at 12:50 AM UTC, 7 min 44 s after block 921,387. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 5,132 transactions in 1.61 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 0.0115 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1365 BTC for this block.
Block 921,388 is number 77 of 2,016 in difficulty epoch 457; 1,939 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,612 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. SpiderPool found 45 blocks in the week before. Today the block has 52,155 confirmations, so it is settled beyond any practical doubt.