About block 921,509
Bitcoin block 921,509 was mined by Foundry USA on October 30, 2025 at 7:13 PM UTC, 1 min 15 s after block 921,508. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 5,079 transactions in 1.69 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0045 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1295 BTC for this block.
Block 921,509 is number 198 of 2,016 in difficulty epoch 457; 1,818 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,491 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. Foundry USA found 263 blocks in the week before. Today the block has 52,027 confirmations, so it is settled beyond any practical doubt.