#Proof of authentication
Bitcointalk username: bestfrend2018
Bitcointalk profile URL: https://bitcointalk.org/index.php?action=profile;u=2501046
MyEtherWallet address : 0x600e7345ef9dD4433D9A86bC7F70DEabc0341987
Article: https://steemit.com/bitcoin/@resus.nguyen/investissez-et-negociez-de-l-or-en-toute-securite-sur-la-plate-forme-er20-avec-digital-gold