[ticker-dev] ticker-3.0 spec - Replace on Message ID ( Keys ? ?)

[Julian Boot]

Ian Lister wrote:

> >if you trust the first message, why would you not trust a replacement
> >with equivalent "credentials" ?
> 
> I may be happy to receive it, but not necessarily for it to destroy or
> cause another message to be obscured.

this distinction seems completely arbitary.  you *could* behave like
that, but you have not suggested *why* anyone would.

-J