About block 921,548
Bitcoin block 921,548 was mined by SpiderPool on October 31, 2025 at 12:49 AM UTC, 6 min 31 s after block 921,547. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,910 transactions in 1.72 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0089 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1339 BTC for this block.
Block 921,548 is number 237 of 2,016 in difficulty epoch 457; 1,779 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,452 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. SpiderPool found 45 blocks in the week before. Today the block has 51,978 confirmations, so it is settled beyond any practical doubt.