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Some, but mostly I’ve been putting all the pictures straight to external hard drive, but my computer no longer shows it..

Do you take back up copies of your external hard drive regularly?

I've been considering taking every coin I have out of the exchanges. But the problem is I have so many kinds of coins that I don't feel like having that many wallets and managing that many private keys.

Ouch. You should. It's highly recommended.

Or you can upload them to a cloud service. Having them on a professionally run service might be for the best.

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