Fix hashes on block page

#397 (closed) Fix hashes on block page

For some reason first 2 symbols from hashes was cut.

@mcfarhat Block search by hash is possibly slow on back end , because I can see it took 15 seconds to find block number by hash, so probably would be worth to look at backend for some improvements. Adding screenshot below

requested review from @mcfarhat

assigned to @lbudginas

added 2 commits

• deda8893 - 1 commit from branch develop
• a671ec1e - Fix hashes on block page

Compare with previous version

merged