About block 903,211
Bitcoin block 903,211 was mined by MARA Pool on June 29, 2025 at 11:54 AM UTC, 23 min 22 s after block 903,210. 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 4,263 transactions in 1.67 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0335 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1585 BTC for this block.
Block 903,211 is number 44 of 2,016 in difficulty epoch 448; 1,972 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,789 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 59 blocks in the week before. Today the block has 72,387 confirmations, so it is settled beyond any practical doubt.