Confidential transactions

[OmegaStarScream]

"This keeps the amounts transferred visible only to participants in the transaction (and those they designate)" -- ElementsProject.org

I would like to get more info about this, how do you designate someone to be able to see the amount of a transaction? pretty sure private key won't be involved. Also, what more advantages CT gives us, excluding the anonymity.

[cr1776]

"This keeps the amounts transferred visible only to participants in the transaction (and those they designate)" -- ElementsProject.org

I would like to get more info about this, how do you designate someone to be able to see the amount of a transaction? pretty sure private key won't be involved. Also, what more advantages CT gives us, excluding the anonymity.

There was actually more about it on the Developer list this morning:
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-November/015283.html

And those about selective disclosure here and the use of a blinding key:
https://elementsproject.org/elements/confidential-transactions/selective-disclosure.html