About block 903,800
Bitcoin block 903,800 was mined by ULTIMUSPOOL on July 3, 2025 at 9:20 AM UTC, 19 min 50 s after block 903,799. 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 3,363 transactions in 1.60 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 0.0426 BTC. With the 3.125 BTC subsidy of halving era 5, ULTIMUSPOOL earned 3.1676 BTC for this block.
Block 903,800 is number 633 of 2,016 in difficulty epoch 448; 1,383 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,200 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 71,747 confirmations, so it is settled beyond any practical doubt.