I´ve just started in Bitcoin world and I have some money in Kraken, and I need to know if I can directly transfer my BTC from Kraken to a paper wallet, by bitaddress.org ,just paying the Kraken fees.
yes, you can send directly to your paperwallet address, make sure you keep the private key safe.
And once the BTC are in the paper wallet, can I do the same or do I have to register in a wallet like blockchain to read my QR? In the last case, I would have to pay Blockchain and Kraken fees, right?
I don't understand this question. do the same what?
soon or later, when you want to send your
BTC from your paperwallet you will need to
"import" your address to a wallet
but in the meantime you don't have to do it immediately now.
if you just want to keep it on your paperwallet, you don't have to do anything else