About block 921,110
Bitcoin block 921,110 was mined by ULTIMUSPOOL on October 28, 2025 at 2:35 AM UTC, 40 min 2 s after block 921,109. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 3,621 transactions in 1.59 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, up from 2.00 sat/vB in the block before, and all fees added up to 0.0365 BTC. With the 3.125 BTC subsidy of halving era 5, ULTIMUSPOOL earned 3.1615 BTC for this block.
Block 921,110 is number 1,815 of 2,016 in difficulty epoch 456; 201 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,890 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. ULTIMUSPOOL found 0 blocks in the week before. Today the block has 52,450 confirmations, so it is settled beyond any practical doubt.