About block 903,144
Bitcoin block 903,144 was mined by ViaBTC on June 29, 2025 at 12:46 AM UTC, 1 min 16 s after block 903,143. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,106 transactions in 1.93 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0125 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1375 BTC for this block.
Block 903,144 is number 1,993 of 2,016 in difficulty epoch 447; 23 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 146,856 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. ViaBTC found 95 blocks in the week before. Today the block has 72,463 confirmations, so it is settled beyond any practical doubt.