About block 903,923
Bitcoin block 903,923 was mined by Foundry USA on July 4, 2025 at 4:54 AM UTC, 2 min 5 s after block 903,922. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,337 transactions in 1.42 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, down from 3.00 sat/vB in the block before, and all fees added up to 0.0192 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1442 BTC for this block.
Block 903,923 is number 756 of 2,016 in difficulty epoch 448; 1,260 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,077 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 71,614 confirmations, so it is settled beyond any practical doubt.