About block 903,553
Bitcoin block 903,553 was mined by Foundry USA on July 1, 2025 at 4:57 PM UTC, 8 min 15 s after block 903,552. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,717 transactions in 1.61 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, down from 4.00 sat/vB in the block before, and all fees added up to 0.0413 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1663 BTC for this block.
Block 903,553 is number 386 of 2,016 in difficulty epoch 448; 1,630 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,447 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 72,020 confirmations, so it is settled beyond any practical doubt.