Sidera - бесконтактные криптоплатежи с помощью смарт-часов.

Website: https://sidera.io/
WhitePaper: https://sidera.io/docs/v1.0/Sidera_Whitepaper.pdf
Telegram: https://t.me/sideraofficial
Linkedin: https://www.linkedin.com/company/sidera-blockchain-technologies
Twitter: https://twitter.com/siderabc
Facebook: https://www.facebook.com/siderablockchain/
Reddit: https://www.reddit.com/user/SideraBlockchain?st=JIRSDIAI&sh=dd548a81
Ann Thread Bitcointalk: https://bitcointalk.org/index.php?topic=4756894.msg42969261#msg42969261

Мои данные:
Telegram: @fcsmAlex
Bitcointalk username: dmitrsmirnov
Bitcointalk profile link: https://bitcointalk.org/index.php?action=profile;u=1079334
ETH-wallet: 0x5B585dc4558732DfC12EA1897Fef250C901A7763