About block 903,351
Bitcoin block 903,351 was mined by Foundry USA on June 30, 2025 at 4:26 AM UTC, 8 min 39 s after block 903,350. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,076 transactions in 1.71 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0211 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1461 BTC for this block.
Block 903,351 is number 184 of 2,016 in difficulty epoch 448; 1,832 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,649 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 72,234 confirmations, so it is settled beyond any practical doubt.