About block 921,613
Bitcoin block 921,613 was mined by SECPOOL on October 31, 2025 at 12:35 PM UTC, 1 min 30 s after block 921,612. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 5,001 transactions in 1.78 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0069 BTC. With the 3.125 BTC subsidy of halving era 5, SECPOOL earned 3.1319 BTC for this block.
Block 921,613 is number 302 of 2,016 in difficulty epoch 457; 1,714 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,387 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 51,938 confirmations, so it is settled beyond any practical doubt.