About block 921,125
Bitcoin block 921,125 was mined by Foundry USA on October 28, 2025 at 5:17 AM UTC, 7 min 51 s after block 921,124. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,487 transactions in 1.74 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0109 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1359 BTC for this block.
Block 921,125 is number 1,830 of 2,016 in difficulty epoch 456; 186 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,875 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 261 blocks in the week before. Today the block has 52,426 confirmations, so it is settled beyond any practical doubt.