About block 921,447
Bitcoin block 921,447 was mined by Foundry USA on October 30, 2025 at 9:47 AM UTC, 3 min 4 s after block 921,446. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 5,097 transactions in 1.65 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 0.0078 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1328 BTC for this block.
Block 921,447 is number 136 of 2,016 in difficulty epoch 457; 1,880 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,553 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 266 blocks in the week before. Today the block has 52,124 confirmations, so it is settled beyond any practical doubt.