About block 921,173
Bitcoin block 921,173 was mined by Foundry USA on October 28, 2025 at 11:09 AM UTC, 5 min 19 s after block 921,172. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 5,456 transactions in 1.59 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0110 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1360 BTC for this block.
Block 921,173 is number 1,878 of 2,016 in difficulty epoch 456; 138 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,827 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 262 blocks in the week before. Today the block has 52,343 confirmations, so it is settled beyond any practical doubt.