About block 903,131
Bitcoin block 903,131 was mined by MARA Pool on June 28, 2025 at 10:24 PM UTC, 3 min 59 s after block 903,130. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,590 transactions in 2.06 MB (99.8% 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 0.0165 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1415 BTC for this block.
Block 903,131 is number 1,980 of 2,016 in difficulty epoch 447; 36 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 146,869 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. MARA Pool found 59 blocks in the week before. Today the block has 72,477 confirmations, so it is settled beyond any practical doubt.