About block 921,351
Bitcoin block 921,351 was mined by SECPOOL on October 29, 2025 at 6:30 PM UTC, 12 min 47 s after block 921,350. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 4,006 transactions in 1.63 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, down from 3.00 sat/vB in the block before, and all fees added up to 0.0347 BTC. With the 3.125 BTC subsidy of halving era 5, SECPOOL earned 3.1597 BTC for this block.
Block 921,351 is number 40 of 2,016 in difficulty epoch 457; 1,976 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,649 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. SECPOOL found 38 blocks in the week before. Today the block has 52,165 confirmations, so it is settled beyond any practical doubt.