About block 903,554
Bitcoin block 903,554 was mined by SECPOOL on July 1, 2025 at 5:12 PM UTC, 14 min 34 s after block 903,553. 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 3,523 transactions in 1.62 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, up from 3.00 sat/vB in the block before, and all fees added up to 0.0503 BTC. With the 3.125 BTC subsidy of halving era 5, SECPOOL earned 3.1753 BTC for this block.
Block 903,554 is number 387 of 2,016 in difficulty epoch 448; 1,629 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,446 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. SECPOOL found 44 blocks in the week before. Today the block has 72,019 confirmations, so it is settled beyond any practical doubt.