End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
BTC / Bitcoin 礦場遊覽 http://www.xdbenz.com/blog2/btc-bitcoin-%e7%a4%a6%e5%a0%b4%e9%81%8a%e8%a6%bd/