About block 921,951
Bitcoin block 921,951 was mined by SpiderPool on November 2, 2025 at 8:05 PM UTC, 7 min 19 s after block 921,950. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,078 transactions in 2.10 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0155 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1405 BTC for this block.
Block 921,951 is number 640 of 2,016 in difficulty epoch 457; 1,376 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,049 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 51,581 confirmations, so it is settled beyond any practical doubt.