Proof of Authentication

Bitcointalk Username : dudu888
bitcointalk profile link : https://bitcointalk.org/index.php?action=profile;u=298516

Type of Campaign : Content
Article content link: https://steemit.com/crypto/@bluecrab/digital-gold-stablecoin-offering-safe-storage-and-payment-in-gold

ERC20 wallet address: 0xc2f1485677c9805ad1db8d8375cc58daed9073da