That is not a secure method of transfer. Giving someone a copy of your private keys just makes you joint owners, where either one can spend the money. The reci

That is not a secure method of transfer. Giving someone a copy of your private keys just makes you joint owners, where either one can spend the money. The recipient would be wise to immediately spend the coins to an address only they know, unless they have absolute trust in the giver. As they say: not your keys, not your bitcoin...