Please note that when you send bitcoin, your Blockchain wallet automatically selects addresses to spend from. That's why the current balance of an If you have a private key from something like a paper wallet, you can use the Import Address feature to import that into your existing wallet. Import Address. You can use the
You can always check the balance of any bitcoin address by searching the blockchain, but to spend it you would need to associate the bitcoin address of the paper wallet to a wallet that is online. Paper wallets are classed as the most secure method of holding your bitcoins if you do not intend to spend them initially.