steemitboard (66)in #technology • 4 years agoRE: How to Build a Secure Chat App like Whatsapp, WeChat & Viber?Congratulations @vignesh4u! You received a personal award! Birthday! - You are on the Steem blockchain for 1…partiko (66)in #technology • 5 years agoRE: How to Build a Secure Chat App like Whatsapp, WeChat & Viber?