About block 921,831
Bitcoin block 921,831 was mined by Foundry USA on November 2, 2025 at 1:35 AM UTC, 5 min 6 s after block 921,830. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,864 transactions in 1.76 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0069 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1319 BTC for this block.
Block 921,831 is number 520 of 2,016 in difficulty epoch 457; 1,496 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,169 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. Foundry USA found 263 blocks in the week before. Today the block has 51,705 confirmations, so it is settled beyond any practical doubt.