About block 951,991
Bitcoin block 951,991 was mined by MARA Pool on June 1, 2026 at 2:19 PM UTC, 6 min 29 s after block 951,990. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,557 transactions in 1.57 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, down from 3.00 sat/vB in the block before, and all fees added up to 0.0326 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1576 BTC for this block.
Block 951,991 is number 440 of 2,016 in difficulty epoch 472; 1,576 blocks remain until the next difficulty adjustment at block 953,567. The next halving is at block 1,050,000, 98,009 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 55 blocks in the week before. Today the block has 23,489 confirmations, so it is settled beyond any practical doubt.