About block 903,311
Bitcoin block 903,311 was mined by Foundry USA on June 30, 2025 at 12:03 AM UTC, 3 min 20 s after block 903,310. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 842 transactions in 0.47 MB (28.0% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0200 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1450 BTC for this block.
Block 903,311 is number 144 of 2,016 in difficulty epoch 448; 1,872 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,689 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 245 blocks in the week before. Today the block has 72,278 confirmations, so it is settled beyond any practical doubt.