About block 903,305
Bitcoin block 903,305 was mined by ViaBTC on June 29, 2025 at 11:14 PM UTC, 3 min 33 s after block 903,304. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 713 transactions in 0.56 MB (30.0% 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 0.0065 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1315 BTC for this block.
Block 903,305 is number 138 of 2,016 in difficulty epoch 448; 1,878 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,695 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 95 blocks in the week before. Today the block has 72,284 confirmations, so it is settled beyond any practical doubt.