About block 917,645
Bitcoin block 917,645 was mined by MARA Pool on October 4, 2025 at 6:10 PM UTC, 21 min 17 s after block 917,644. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 3,799 transactions in 1.62 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, up from 3.00 sat/vB in the block before, and all fees added up to 0.0414 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1664 BTC for this block.
Block 917,645 is number 366 of 2,016 in difficulty epoch 455; 1,650 blocks remain until the next difficulty adjustment at block 919,295. The next halving is at block 1,050,000, 132,355 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 55,944 confirmations, so it is settled beyond any practical doubt.