About block 903,173
Bitcoin block 903,173 was mined by ViaBTC on June 29, 2025 at 5:48 AM UTC, 14 min 4 s after block 903,172. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 4,349 transactions in 1.61 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, and all fees added up to 0.0319 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1569 BTC for this block.
Block 903,173 is number 6 of 2,016 in difficulty epoch 448; 2,010 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,827 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. ViaBTC found 94 blocks in the week before. Today the block has 72,431 confirmations, so it is settled beyond any practical doubt.