About block 921,155
Bitcoin block 921,155 was mined by Unknown on October 28, 2025 at 9:11 AM UTC, 23 seconds after block 921,154. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,154 transactions in 1.75 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, down from 4.00 sat/vB in the block before, and all fees added up to 0.0225 BTC. With the 3.125 BTC subsidy of halving era 5, Unknown earned 3.1475 BTC for this block.
Block 921,155 is number 1,860 of 2,016 in difficulty epoch 456; 156 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,845 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. Unknown found 13 blocks in the week before. Today the block has 52,377 confirmations, so it is settled beyond any practical doubt.