Another transaction involving Paul Vernon from February 2021:

https://blockchair.com/bitcoin/address/1KNi4E4MTsF7gfuPKPNAbrZWQvtdQBTAAa

This address was mentioned in the bounty notice at the Cryptsy blog here:
https://web.archive.org/web/20160325013714/http://blog.cryptsy.com/

The funds can be followed to HitBTC within 2 hops at this address: 1EEqRvnS7XqMoXDcaGL7bLS3hzZi1qUZm1