Bitbounce - Charge unsolicited email senders a cryptocurrency fee
Coinbase - Bitcoin, safe and easy.
Swagbucks - Swagbucks is a loyalty program that offers individuals rewards for engaging in various activities. Users can earn reward points for performing Internet searches, purchasing items from affiliated vendors, or completing polls.
Binance - Cryptocurrencies exchange platform
21 Lists - Send and receive targeted, paid microtasks
Poloniex - US-based cryptocurrency exchange with maximum security