Joys is a legal payment service for goods and services in all cryptocurrencies. Joys represents an open global blockchain platform that allows adding almost all cryptocurrencies and tokens as means of payment. Many companies use blockchain for crypto payments in many areas such as interbank transactions and personal p2p payments: CoinBase, BitPay, Coinify, PundiX, Bitwala, Wirex, Blockchain Merchants, LoyaltyX, LoyalCoin, etc. Joys uses technology from digital coupons and other means to legalize the purchase of cryptocurrencies. Market analysis proves that Joys is a unique cryptocurrency project with a wide range of applications.