About block 903,852
Bitcoin block 903,852 was mined by MARA Pool on July 3, 2025 at 4:05 PM UTC, 19 min 11 s after block 903,851. 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 3,925 transactions in 1.56 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, up from 3.00 sat/vB in the block before, and all fees added up to 0.0469 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1719 BTC for this block.
Block 903,852 is number 685 of 2,016 in difficulty epoch 448; 1,331 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,148 blocks after this one.
Its hash starts with 20 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 54 blocks in the week before. Today the block has 71,690 confirmations, so it is settled beyond any practical doubt.