About block 903,939
Bitcoin block 903,939 was mined by ULTIMUSPOOL on July 4, 2025 at 7:48 AM UTC, 23 min 38 s after block 903,938. 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 2,769 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 0.0384 BTC. With the 3.125 BTC subsidy of halving era 5, ULTIMUSPOOL earned 3.1634 BTC for this block.
Block 903,939 is number 772 of 2,016 in difficulty epoch 448; 1,244 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,061 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. ULTIMUSPOOL found 0 blocks in the week before. Today the block has 71,598 confirmations, so it is settled beyond any practical doubt.