About block 903,888
Bitcoin block 903,888 was mined by Foundry USA on July 3, 2025 at 10:53 PM UTC, 12 min 18 s after block 903,887. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 3,622 transactions in 1.60 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 0.0343 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1593 BTC for this block.
Block 903,888 is number 721 of 2,016 in difficulty epoch 448; 1,295 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,112 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 252 blocks in the week before. Today the block has 71,651 confirmations, so it is settled beyond any practical doubt.