#SONATAProofOfParticipation
Bitcointalk Username: CongHoan
Campaigns Joined:
 + Signature  campaign : https://bitcointalk.org/index.php?action=profile;u=1867320;sa=forumProfile
 + Facebook campaign : https://www.facebook.com/NLPCH
 + Twitter campaign  : https://twitter.com/boybietbay
 + Telegram  : @nlpch

eth address : 0x493495becf41a57ff1a278c0723c10748910b657