Глянь здесь. Там много про криптовалюту https://askentire.net/t/%D0%A4%D0%B8%D0%BD%D0%B0%D0%BD%D1%81%D1%8B

Здесь посмотри https://askentire.net/q/%D0%9F%D0%BE%D1%87%D0%B5%D0%BC%D1%83-%D0%BC%D0%BE%D1%8F-%D1%82%D1%80%D0%B0%D0%BD%D0%B7%D0%B0%D0%BA%D1%86%D0%B8%D1%8F-%D0%BD%D0%B5-%D0%BF%D0%BE%D0%B4%D1%82%D0%B2%D0%B5%D1%80%D0%B6%D0%B4%D0%B0%D0%B5%D1%82%D1%81%D1%8F-%D0%B8-%D1%87%D1%82%D0%BE-%D1%8F-%D0%BC%D0%BE%D0%B3%D1%83-%D1%81%D0%B4%D0%B5%D0%BB%D0%B0%D1%82%D1%8C-%D1%81-%D0%BD%D0%B5%D0%B9-25220640618