About block 903,175
Bitcoin block 903,175 was mined by MARA Pool on June 29, 2025 at 6:01 AM UTC, 7 min 4 s after block 903,174. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,399 transactions in 2.94 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 1.00 sat/vB in the block before, and all fees added up to 0.0131 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1381 BTC for this block.
Block 903,175 is number 8 of 2,016 in difficulty epoch 448; 2,008 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,825 blocks after this one.
Its hash starts with 21 zeros: that is the proof of work, a number below the target that the whole network’s hashrate had to search for. MARA Pool found 59 blocks in the week before. Today the block has 72,429 confirmations, so it is settled beyond any practical doubt.