About block 963,991
Bitcoin block 963,991 was mined by Foundry USA on August 25, 2026 at 10:57 AM UTC, 5 min 20 s after block 963,990. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 5,792 transactions in 1.48 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 0.0132 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1382 BTC for this block.
Block 963,991 is number 344 of 2,016 in difficulty epoch 478; 1,672 blocks remain until the next difficulty adjustment at block 965,663. The next halving is at block 1,050,000, 86,009 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. Foundry USA found 269 blocks in the week before. Today the block has 9,904 confirmations, so it is settled beyond any practical doubt.