About block 921,259
Bitcoin block 921,259 was mined by MARA Pool on October 28, 2025 at 11:38 PM UTC, 12 min 1 s after block 921,258. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 4,302 transactions in 1.73 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0135 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1385 BTC for this block.
Block 921,259 is number 1,964 of 2,016 in difficulty epoch 456; 52 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,741 blocks after this one.
Its hash starts with 21 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 52,284 confirmations, so it is settled beyond any practical doubt.