About block 917,231
Bitcoin block 917,231 was mined by MARA Pool on October 1, 2025 at 11:52 AM UTC, 4 min 2 s after block 917,230. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 970 transactions in 0.56 MB (32.7% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 1.00 sat/vB in the block before, and all fees added up to 0.0080 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1330 BTC for this block.
Block 917,231 is number 1,968 of 2,016 in difficulty epoch 454; 48 blocks remain until the next difficulty adjustment at block 917,279. The next halving is at block 1,050,000, 132,769 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 49 blocks in the week before. Today the block has 56,336 confirmations, so it is settled beyond any practical doubt.