Subject: Re: [bitcoindev] On (in)ability to embed data into Schnorr

From: waxwing/ AdamISZ <[email-masked]>
Date: Fri, 3 Oct 2025 19:39:04 -0700 (PDT)

Hi Peter,

> You can probably use timelock encryption to ensure that the leak of the 
private
key only happens in the future, after the funds are recovered by the owner 
in a
subsequent transaction.

Another very interesting point, there, to get around the issue of key 
leakage ... albeit I don't see a usecase, maybe I'm just not imaginative 
enough, very possible.

If someone wants to keep something in the utxo set "forever", it doesn't 
help. If they want the property of "immediately accessible in the utxo set" 
(like "deposit into some fancy system with a blob of data"; I emphasize 
"deposit" because that would explain why not "just put it in the witness", 
your current outputs don't support that; correct me if my reasoning is 
wrong here), then I guess they don't get that, either: the data is 
accessible "intermediate term" instead.

Cheers,
AdamISZ/waxwing

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