About block 903,899
Bitcoin block 903,899 was mined by Foundry USA on July 4, 2025 at 12:43 AM UTC, 1 min 38 s after block 903,898. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 675 transactions in 0.25 MB (14.4% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 1.00 sat/vB in the block before, and all fees added up to 0.0031 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1281 BTC for this block.
Block 903,899 is number 732 of 2,016 in difficulty epoch 448; 1,284 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,101 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 252 blocks in the week before. Today the block has 71,638 confirmations, so it is settled beyond any practical doubt.