About block 903,948
Bitcoin block 903,948 was mined by SECPOOL on July 4, 2025 at 9:34 AM UTC, 4 min 3 s after block 903,947. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,586 transactions in 1.76 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0188 BTC. With the 3.125 BTC subsidy of halving era 5, SECPOOL earned 3.1438 BTC for this block.
Block 903,948 is number 781 of 2,016 in difficulty epoch 448; 1,235 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,052 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 45 blocks in the week before. Today the block has 71,589 confirmations, so it is settled beyond any practical doubt.