About block 903,621
Bitcoin block 903,621 was mined by Foundry USA on July 2, 2025 at 6:17 AM UTC, 21 min 54 s after block 903,620. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 2,546 transactions in 1.48 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0434 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1684 BTC for this block.
Block 903,621 is number 454 of 2,016 in difficulty epoch 448; 1,562 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,379 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 247 blocks in the week before. Today the block has 71,946 confirmations, so it is settled beyond any practical doubt.