Is that safe to have in Blockchain.info more than 10 BTC ?
No worries ?
NO, its not safe at all. I don't care what others tell you here, its absolutely nuts to even think of keeping that much BTC there.
Web wallets should only be used when you have no other option and even then it should be used to keep very small amounts, I'd say less than half a bitcoin.
IMO the clearest explanation of why you should NOT keep large amounts of BTC at blockchain.info. I would go along with that amount (half a
BTC or less), unless you own a lot and can afford a loss.
Your PC can keep BTC in a wallet (MultiBit) or you can get a hardware wallet (I have and like both the Trezor and the Ledger Nano).
Member
litecoinguy has a great thread on hardware wallets.