About block 902,123
Bitcoin block 902,123 was mined by MARA Pool on June 21, 2025 at 1:50 AM UTC, 38 seconds after block 902,122. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,925 transactions in 2.70 MB (97.4% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0024 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1274 BTC for this block.
Block 902,123 is number 972 of 2,016 in difficulty epoch 447; 1,044 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 147,877 blocks after this one.
Its hash starts with 21 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 73,562 confirmations, so it is settled beyond any practical doubt.