About block 909,640
Bitcoin block 909,640 was mined by MARA Pool on August 12, 2025 at 2:03 AM UTC, 18 seconds after block 909,639. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,286 transactions in 0.86 MB (47.4% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 3.00 sat/vB in the block before, and all fees added up to 0.0060 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1310 BTC for this block.
Block 909,640 is number 425 of 2,016 in difficulty epoch 451; 1,591 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,360 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 53 blocks in the week before. Today the block has 65,147 confirmations, so it is settled beyond any practical doubt.