About block 903,848
Bitcoin block 903,848 was mined by MARA Pool on July 3, 2025 at 3:18 PM UTC, 1 min 19 s after block 903,847. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,549 transactions in 2.13 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0111 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1361 BTC for this block.
Block 903,848 is number 681 of 2,016 in difficulty epoch 448; 1,335 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,152 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 54 blocks in the week before. Today the block has 71,694 confirmations, so it is settled beyond any practical doubt.