About block 921,102
Bitcoin block 921,102 was mined by SpiderPool on October 28, 2025 at 12:27 AM UTC, 1 min 44 s after block 921,101. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,242 transactions in 2.30 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 0.0042 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1292 BTC for this block.
Block 921,102 is number 1,807 of 2,016 in difficulty epoch 456; 209 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,898 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 46 blocks in the week before. Today the block has 52,458 confirmations, so it is settled beyond any practical doubt.