To date, using exchanges has entailed a high level of risk, although security is getting better. Moving transactions offchain is one way of minimizing fees.
Binex: website here.
Aims to launch in late 2018, and will share 70% of trade commission with traders.
Bithumb
World's largest exchange by volume, as of 2017. Offers a $5 signup bonus.
Bittrex
Based in California. Supports a huge range of coins such as Einsteinium, Potcoin and HempCoin. You need to verify your account to make use of this site. On the charts, the default setting is "30 minutes".
Bluebelt
Gate.io: 10% of trading fees for the first year: click here.
Poloniex
You can also use Poloniex to make loans.
Sushiswap: .
TimeX: website here.
Decentralized cryptocurrency exchange and jobs marketplace launched by ChronoBank, an Australian start-up company. Features an Australian dollar stablecoin.
Uphold
Bitcoin exchanges: 21,000 monthly searches according to Google Adwords; CPC: 265 Yen.
BTer
E-Toro
My referral link!