About block 902,135
Bitcoin block 902,135 was mined by ULTIMUSPOOL on June 21, 2025 at 4:01 AM UTC, 0 seconds after block 902,134. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,087 transactions in 0.67 MB (34.8% 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 0.0067 BTC. With the 3.125 BTC subsidy of halving era 5, ULTIMUSPOOL earned 3.1317 BTC for this block.
Block 902,135 is number 984 of 2,016 in difficulty epoch 447; 1,032 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 147,865 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. ULTIMUSPOOL found 0 blocks in the week before. Today the block has 73,550 confirmations, so it is settled beyond any practical doubt.