About block 963,666
Bitcoin block 963,666 was mined by SpiderPool on August 23, 2026 at 3:21 AM UTC, 5 min 33 s after block 963,665. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 5,501 transactions in 1.55 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 1.00 sat/vB in the block before, and all fees added up to 0.0118 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1368 BTC for this block.
Block 963,666 is number 19 of 2,016 in difficulty epoch 478; 1,997 blocks remain until the next difficulty adjustment at block 965,663. The next halving is at block 1,050,000, 86,334 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 47 blocks in the week before. Today the block has 10,398 confirmations, so it is settled beyond any practical doubt.