About block 921,715
Bitcoin block 921,715 was mined by MARA Pool on November 1, 2025 at 4:55 AM UTC, 3 min 50 s after block 921,714. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 5,008 transactions in 1.74 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0103 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1353 BTC for this block.
Block 921,715 is number 404 of 2,016 in difficulty epoch 457; 1,612 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,285 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 51,828 confirmations, so it is settled beyond any practical doubt.