About block 917,133
Bitcoin block 917,133 was mined by MARA Pool on September 30, 2025 at 10:19 PM UTC, 5 min 52 s after block 917,132. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,615 transactions in 0.65 MB (39.5% 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 0.0128 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1378 BTC for this block.
Block 917,133 is number 1,870 of 2,016 in difficulty epoch 454; 146 blocks remain until the next difficulty adjustment at block 917,279. The next halving is at block 1,050,000, 132,867 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 47 blocks in the week before. Today the block has 56,399 confirmations, so it is settled beyond any practical doubt.