About block 921,347
Bitcoin block 921,347 was mined by MARA Pool on October 29, 2025 at 5:16 PM UTC, 7 min 4 s after block 921,346. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,578 transactions in 1.81 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0207 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1457 BTC for this block.
Block 921,347 is number 36 of 2,016 in difficulty epoch 457; 1,980 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,653 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 46 blocks in the week before. Today the block has 52,168 confirmations, so it is settled beyond any practical doubt.