About block 921,532
Bitcoin block 921,532 was mined by MARA Pool on October 30, 2025 at 10:40 PM UTC, 6 min 29 s after block 921,531. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,050 transactions in 1.74 MB (98.9% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0099 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1349 BTC for this block.
Block 921,532 is number 221 of 2,016 in difficulty epoch 457; 1,795 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,468 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 47 blocks in the week before. Today the block has 52,011 confirmations, so it is settled beyond any practical doubt.