Proof Of Authentication
Bitcointalk username: douglasyukanov
Bitcointalk profile URL:
https://bitcointalk.org/index.php?action=profile;u=1038817
Telegram username:@Douglasyukan0v
campaign: you joined:,Article.
Link:
https://leofinance.io/hive-167922/@douglasyukanov/scalpex-cryptocurrency-derivatives-exchange

address:0x224805C2B0B885A3dd5562a9d0423E7c2367a68c