About block 900,639
Bitcoin block 900,639 was mined by MARA Pool on June 10, 2025 at 3:19 PM UTC, 8 min 21 s after block 900,638. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,554 transactions in 1.50 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 4.00 sat/vB, down from 6.00 sat/vB in the block before, and all fees added up to 0.0513 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1763 BTC for this block.
Block 900,639 is number 1,504 of 2,016 in difficulty epoch 446; 512 blocks remain until the next difficulty adjustment at block 901,151. The next halving is at block 1,050,000, 149,361 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 58 blocks in the week before. Today the block has 75,333 confirmations, so it is settled beyond any practical doubt.