NEED INFORMATION ON EXCHANGES W/WALLETS?

Mar 7, 2017
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Hi ! I have a ledger nano wallet which I keep my bitcoins. I use the Dash core wallet to store my Dash. Im looking for an exchange that I can purchase w/ either bitcoin or cash to purchase other alt coins. the problem is where I can I store these alt coin in one central place?? I know I can buy--sell-trade on Poloniex--kraken, but after trading my coins where can I keep it? Im not lookin to buy a lot, so I dont want to store in a hardwallet. , but keep it in one place so I can trade and sell fast. For instance. I deposit bitcoin in shapeshift to buy dash, thats no problem I send it to my Dash core wallet. If I purchase xmr--or etc-- or other alts, I want to leave it in one place because I will trade for dash or transfer out to bitcoin or cash!! Make sense.? Can someone advise me! Thanks you Al