About block 917,000
Bitcoin block 917,000 was mined by MARA Pool on September 30, 2025 at 1:47 AM UTC, 2 min 47 s after block 916,999. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 575 transactions in 0.29 MB (17.2% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0040 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1290 BTC for this block.
Block 917,000 is number 1,737 of 2,016 in difficulty epoch 454; 279 blocks remain until the next difficulty adjustment at block 917,279. The next halving is at block 1,050,000, 133,000 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 49 blocks in the week before. Today the block has 56,571 confirmations, so it is settled beyond any practical doubt.