About block 903,140
Bitcoin block 903,140 was mined by MARA Pool on June 28, 2025 at 11:22 PM UTC, 3 min 0 s after block 903,139. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 291 transactions in 0.13 MB (8.9% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0027 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1277 BTC for this block.
Block 903,140 is number 1,989 of 2,016 in difficulty epoch 447; 27 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 146,860 blocks after this one.
Its hash starts with 20 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 72,468 confirmations, so it is settled beyond any practical doubt.