About block 921,456
Bitcoin block 921,456 was mined by SECPOOL on October 30, 2025 at 11:59 AM UTC, 27 min 14 s after block 921,455. 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 3,943 transactions in 1.58 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0399 BTC. With the 3.125 BTC subsidy of halving era 5, SECPOOL earned 3.1649 BTC for this block.
Block 921,456 is number 145 of 2,016 in difficulty epoch 457; 1,871 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,544 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. SECPOOL found 38 blocks in the week before. Today the block has 52,115 confirmations, so it is settled beyond any practical doubt.