About block 909,840
Bitcoin block 909,840 was mined by MARA Pool on August 13, 2025 at 10:29 AM UTC, 7 min 39 s after block 909,839. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,706 transactions in 0.63 MB (40.1% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0141 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1391 BTC for this block.
Block 909,840 is number 625 of 2,016 in difficulty epoch 451; 1,391 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,160 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 51 blocks in the week before. Today the block has 64,845 confirmations, so it is settled beyond any practical doubt.