Michael Adams is a longtime investing and cryptocurrency expert who has written, researched about and practiced both for nearly two decades. He has contributed to many publications including Kiplinger and U.S. News and World Report.

Pros: Kraken offers an extensive selection of cryptos that can be traded on its exchange platform. It has an extensive trading platform, a detailed order books and fast execution. It also provides margin trading and crypto derivatives. Cons Service for customers is inconsistent and is not very helpful in solving issues. The site also has a number of security concerns. Any withdrawals made through the exchange with a debit or credit card will be subject to a holding.

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