About block 921,216
Bitcoin block 921,216 was mined by MARA Pool on October 28, 2025 at 6:18 PM UTC, 1 min 49 s after block 921,215. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,365 transactions in 0.54 MB (28.5% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 1.00 sat/vB in the block before, and all fees added up to 0.0039 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1289 BTC for this block.
Block 921,216 is number 1,921 of 2,016 in difficulty epoch 456; 95 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,784 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 52,310 confirmations, so it is settled beyond any practical doubt.