About block 903,203
Bitcoin block 903,203 was mined by Foundry USA on June 29, 2025 at 10:46 AM UTC, 30 seconds after block 903,202. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,961 transactions in 1.27 MB (67.2% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0075 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1325 BTC for this block.
Block 903,203 is number 36 of 2,016 in difficulty epoch 448; 1,980 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,797 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 243 blocks in the week before. Today the block has 72,395 confirmations, so it is settled beyond any practical doubt.