#Proof of authentication
Videos Campaign
BitcoinTalk username: alex6464
profile link: https://bitcointalk.org/index.php?action=profile;u=1707320
Telegram: @cryptoalexe
ETH: 0xF2665d8bFa1e84C797615a1fb9b51bDE72291C4F
Videos URL: https://www.youtube.com/watch?v=rLS4SZ4JFUM&t=19s