About block 919,439
Bitcoin block 919,439 was mined by MARA Pool on October 17, 2025 at 4:02 AM UTC, 45 seconds after block 919,438. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 77 transactions in 0.08 MB (3.7% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, up from 2.00 sat/vB in the block before, and all fees added up to 0.0009 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1259 BTC for this block.
Block 919,439 is number 144 of 2,016 in difficulty epoch 456; 1,872 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 130,561 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 54,295 confirmations, so it is settled beyond any practical doubt.