About block 903,102
Bitcoin block 903,102 was mined by MARA Pool on June 28, 2025 at 3:59 PM UTC, 29 min 57 s after block 903,101. 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 4,087 transactions in 1.58 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0583 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1833 BTC for this block.
Block 903,102 is number 1,951 of 2,016 in difficulty epoch 447; 65 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 146,898 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 58 blocks in the week before. Today the block has 72,511 confirmations, so it is settled beyond any practical doubt.