About block 901,643
Bitcoin block 901,643 was mined by Foundry USA on June 17, 2025 at 3:36 PM UTC, 1 min 40 s after block 901,642. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,984 transactions in 1.62 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 0.0508 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1758 BTC for this block.
Block 901,643 is number 492 of 2,016 in difficulty epoch 447; 1,524 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 148,357 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 242 blocks in the week before. Today the block has 74,078 confirmations, so it is settled beyond any practical doubt.