About block 915,221
Bitcoin block 915,221 was mined by Foundry USA on September 18, 2025 at 8:51 AM UTC, 7 min 14 s after block 915,220. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,695 transactions in 1.68 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0248 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1498 BTC for this block.
Block 915,221 is number 1,974 of 2,016 in difficulty epoch 453; 42 blocks remain until the next difficulty adjustment at block 915,263. The next halving is at block 1,050,000, 134,779 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 271 blocks in the week before. Today the block has 59,009 confirmations, so it is settled beyond any practical doubt.