About block 917,663
Bitcoin block 917,663 was mined by SpiderPool on October 4, 2025 at 9:52 PM UTC, 4 min 1 s after block 917,662. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,472 transactions in 1.74 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0121 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1371 BTC for this block.
Block 917,663 is number 384 of 2,016 in difficulty epoch 455; 1,632 blocks remain until the next difficulty adjustment at block 919,295. The next halving is at block 1,050,000, 132,337 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. SpiderPool found 45 blocks in the week before. Today the block has 55,915 confirmations, so it is settled beyond any practical doubt.