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Yes. I am looking for a good alternative for US based crypto investors. I can probably move Hive to BTC via swap and then find an exchange that handles BTC, but I really liked that Bittrex was a direct exchange for Hive.

Why do u need exchange? I'd assume these will all be dead. But you can do this. Cash app account to move USD into bitcoin. Then swap from there. Cash app will be around longer then coinbase id bet.