Proof of authentication
Bitcointalk username: KOVALENKOV
Telegram username:@KOVALENKOV1
Bounty campaign:  blog
https://steemit.com/lbx/@kovalenkov/london-block-exchange-ico
https://golos.io/lbx/@kovalenkov/london-block-exchange-lbx
ETH Address : 0x5773C30A08ed81A8B06E56A7CF68dBc4aaca7494