About block 903,551
Bitcoin block 903,551 was mined by Foundry USA on July 1, 2025 at 4:17 PM UTC, 7 min 19 s after block 903,550. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,438 transactions in 1.60 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0273 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1523 BTC for this block.
Block 903,551 is number 384 of 2,016 in difficulty epoch 448; 1,632 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,449 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 244 blocks in the week before. Today the block has 72,022 confirmations, so it is settled beyond any practical doubt.