About block 921,045
Bitcoin block 921,045 was mined by MARA Pool on October 27, 2025 at 3:55 PM UTC, 0 seconds after block 921,044. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,091 transactions in 0.48 MB (30.3% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0077 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1327 BTC for this block.
Block 921,045 is number 1,750 of 2,016 in difficulty epoch 456; 266 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,955 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. MARA Pool found 49 blocks in the week before. Today the block has 52,533 confirmations, so it is settled beyond any practical doubt.