Binance - Cryptocurrencies exchange platform
Cryptominded - Where you learn more about cryptocurrencies
Coinbase - Bitcoin, safe and easy.
Poloniex - US-based cryptocurrency exchange with maximum security
Coingecko - CoinGecko is a free to use web-based and mobile application that provides financial market data for more than 2000 digital currencies.
Bitfinex - Bitfinex is the largest and most advanced crypto-currencies trading platform.