About block 921,230
Bitcoin block 921,230 was mined by MARA Pool on October 28, 2025 at 8:27 PM UTC, 9 min 50 s after block 921,229. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,077 transactions in 1.77 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0212 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1462 BTC for this block.
Block 921,230 is number 1,935 of 2,016 in difficulty epoch 456; 81 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,770 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. MARA Pool found 47 blocks in the week before. Today the block has 52,296 confirmations, so it is settled beyond any practical doubt.