Hi, On Mon, Jun 27, 2022 at 2:14 PM Alfred Hodler via bitcoin-dev < bitcoin-dev@lists.linuxfoundation.org> wrote:
> 2. Notification transactions still exist but no longer leave a privacy > footprint on the blockchain. Instead, a notification transaction is simply > a single OP_RETURN containing a value that only Alice and Bob can > calculate. If Alice's notification transaction uses UTXOs not associated > with her identity, there is never a footprint showing that either her or > Bob are using private payments. If Alice uses tainted coins, only she is > exposed as a user of Private Payments but Bob still isn't. > That's a neat trick. What about not using OP_RETURN at all, and just publishing on a tor hidden service that other wallets check? Alice wouldn't have to expose on-chain that she is a sender of a private payment. - Bryan https://twitter.com/kanzure
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