About block 903,159
Bitcoin block 903,159 was mined by SECPOOL on June 29, 2025 at 3:49 AM UTC, 14 min 45 s after block 903,158. 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 2,595 transactions in 1.74 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0279 BTC. With the 3.125 BTC subsidy of halving era 5, SECPOOL earned 3.1529 BTC for this block.
Block 903,159 is number 2,008 of 2,016 in difficulty epoch 447; 8 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 146,841 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 42 blocks in the week before. Today the block has 72,448 confirmations, so it is settled beyond any practical doubt.