About block 903,142
Bitcoin block 903,142 was mined by Foundry USA on June 29, 2025 at 12:34 AM UTC, 28 min 51 s after block 903,141. 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 3,300 transactions in 1.55 MB (99.8% 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 0.0401 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1651 BTC for this block.
Block 903,142 is number 1,991 of 2,016 in difficulty epoch 447; 25 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 146,858 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. Foundry USA found 241 blocks in the week before. Today the block has 72,465 confirmations, so it is settled beyond any practical doubt.