About block 921,406
Bitcoin block 921,406 was mined by SECPOOL on October 30, 2025 at 3:43 AM UTC, 8 min 20 s after block 921,405. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,492 transactions in 1.72 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 0.0119 BTC. With the 3.125 BTC subsidy of halving era 5, SECPOOL earned 3.1369 BTC for this block.
Block 921,406 is number 95 of 2,016 in difficulty epoch 457; 1,921 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,594 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 38 blocks in the week before. Today the block has 52,145 confirmations, so it is settled beyond any practical doubt.