About block 915,643
Bitcoin block 915,643 was mined by Foundry USA on September 20, 2025 at 11:42 PM UTC, 2 min 44 s after block 915,642. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,818 transactions in 1.72 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 4.00 sat/vB, down from 6.00 sat/vB in the block before, and all fees added up to 0.0377 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1627 BTC for this block.
Block 915,643 is number 380 of 2,016 in difficulty epoch 454; 1,636 blocks remain until the next difficulty adjustment at block 917,279. The next halving is at block 1,050,000, 134,357 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 58,554 confirmations, so it is settled beyond any practical doubt.