About block 921,851
Bitcoin block 921,851 was mined by SECPOOL on November 2, 2025 at 4:59 AM UTC, 6 min 9 s after block 921,850. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,396 transactions in 2.07 MB (99.9% 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 0.0070 BTC. With the 3.125 BTC subsidy of halving era 5, SECPOOL earned 3.1320 BTC for this block.
Block 921,851 is number 540 of 2,016 in difficulty epoch 457; 1,476 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,149 blocks after this one.
Its hash starts with 21 zeros: that is the proof of work, a number below the target that the whole network’s hashrate had to search for. SECPOOL found 39 blocks in the week before. Today the block has 51,675 confirmations, so it is settled beyond any practical doubt.