About block 921,149
Bitcoin block 921,149 was mined by SpiderPool on October 28, 2025 at 7:49 AM UTC, 4 min 13 s after block 921,148. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,538 transactions in 1.69 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 0.0071 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1321 BTC for this block.
Block 921,149 is number 1,854 of 2,016 in difficulty epoch 456; 162 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,851 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 52,386 confirmations, so it is settled beyond any practical doubt.