Bittrex is the broker I use because it has a secure trading platform, trading volume, listing a variety of coins, good customer care systems, and especially many airdrop offers. to the community
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Pros
Nice interface, enthusiastic and thoughtful support staff in 24 hours, always interested in customers
Very large trading volume with extremely high liquidity
High security with 2-step verification of advanced security technology
Can trade on mobile devices
Support for futures trading, support for margin trading, support for electronic money loans, allowing trading of coins via visa cards