About block 921,936
Bitcoin block 921,936 was mined by ULTIMUSPOOL on November 2, 2025 at 4:58 PM UTC, 1 min 22 s after block 921,935. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,608 transactions in 1.66 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0094 BTC. With the 3.125 BTC subsidy of halving era 5, ULTIMUSPOOL earned 3.1344 BTC for this block.
Block 921,936 is number 625 of 2,016 in difficulty epoch 457; 1,391 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,064 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. ULTIMUSPOOL found 0 blocks in the week before. Today the block has 51,600 confirmations, so it is settled beyond any practical doubt.