About block 903,143
Bitcoin block 903,143 was mined by AntPool on June 29, 2025 at 12:45 AM UTC, 11 min 0 s after block 903,142. 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 2,798 transactions in 1.74 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, down from 3.00 sat/vB in the block before, and all fees added up to 0.0229 BTC. With the 3.125 BTC subsidy of halving era 5, AntPool earned 3.1479 BTC for this block.
Block 903,143 is number 1,992 of 2,016 in difficulty epoch 447; 24 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 146,857 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. AntPool found 200 blocks in the week before. Today the block has 72,464 confirmations, so it is settled beyond any practical doubt.