About block 921,398
Bitcoin block 921,398 was mined by SpiderPool on October 30, 2025 at 2:43 AM UTC, 4 min 47 s after block 921,397. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,326 transactions in 1.77 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 0.0086 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1336 BTC for this block.
Block 921,398 is number 87 of 2,016 in difficulty epoch 457; 1,929 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,602 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 52,145 confirmations, so it is settled beyond any practical doubt.