About block 931,921
Bitcoin block 931,921 was mined by MARA Pool on January 12, 2026 at 3:21 AM UTC, 0 seconds after block 931,920. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,793 transactions in 1.74 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 1.00 sat/vB in the block before, and all fees added up to 0.0039 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1289 BTC for this block.
Block 931,921 is number 530 of 2,016 in difficulty epoch 462; 1,486 blocks remain until the next difficulty adjustment at block 933,407. The next halving is at block 1,050,000, 118,079 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 55 blocks in the week before. Today the block has 43,190 confirmations, so it is settled beyond any practical doubt.