About block 917,253
Bitcoin block 917,253 was mined by MARA Pool on October 1, 2025 at 4:37 PM UTC, 26 min 11 s after block 917,252. 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 3,687 transactions in 1.58 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 4.00 sat/vB, up from 3.00 sat/vB in the block before, and all fees added up to 0.0930 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.2180 BTC for this block.
Block 917,253 is number 1,990 of 2,016 in difficulty epoch 454; 26 blocks remain until the next difficulty adjustment at block 917,279. The next halving is at block 1,050,000, 132,747 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 56,322 confirmations, so it is settled beyond any practical doubt.