apa itu blockchain? || Perbedaan Blockchain Dengan Database By Sandy GrissettJanuary 27, 2021News Website: https://CryptoFun.id Twitter: https://twitter.com/CryptoFun_ID Instagram: https://instagram.com/CryptoFun_ID Telegram Channel: https://t.me/CryptoFun_id Telegram Group: https://t.me/CryptoFun_Discussion Steve Rich's Exciting New Book: A Journey into the World of Forex Trading! Interview Meet The Founder