An identity document (also called a piece of identification or ID) is any legal document which may be used to verify aspects of a personal identity.
so what do you think, when Bitcoin applied ID for all user's..??
I think this can make Bitcoin accept to all countries without any resistance.
http://s15.postimg.org/i2tu1wwi3/image_ARmelle_copy.jpgi dont think this could apply to users but more to a wallet address, since we could still sell a private key with out using the blockchain to make a transaction, hand by hand.
