About block 903,609
Bitcoin block 903,609 was mined by ULTIMUSPOOL on July 2, 2025 at 4:41 AM UTC, 12 min 35 s after block 903,608. 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 811 transactions in 1.28 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, up from 2.00 sat/vB in the block before, and all fees added up to 0.0281 BTC. With the 3.125 BTC subsidy of halving era 5, ULTIMUSPOOL earned 3.1531 BTC for this block.
Block 903,609 is number 442 of 2,016 in difficulty epoch 448; 1,574 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,391 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. ULTIMUSPOOL found 0 blocks in the week before. Today the block has 71,960 confirmations, so it is settled beyond any practical doubt.