About block 909,172
Bitcoin block 909,172 was mined by MARA Pool on August 8, 2025 at 12:55 PM UTC, 7 min 18 s after block 909,171. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,750 transactions in 1.52 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, down from 4.00 sat/vB in the block before, and all fees added up to 0.0374 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1624 BTC for this block.
Block 909,172 is number 1,973 of 2,016 in difficulty epoch 450; 43 blocks remain until the next difficulty adjustment at block 909,215. The next halving is at block 1,050,000, 140,828 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 54 blocks in the week before. Today the block has 65,700 confirmations, so it is settled beyond any practical doubt.