It appears that Hannah Stern  <[email protected]> said:
>Hi!
>
>May c: instructions in body recipies (r=) overlap? This would allow 
>attempts to have verifiers use excessive memory/CPU like this:
>
>Message-Instance: v=1; ... (Referring to a one-line body)
>Message-Instance: v=2; r=c:1-,c:1-,c:1-,c:1-; ...
>Message-Instance: v=3; r=c:1-,c:1-,c:1-,c:1-; ...
>(and up to 96 more of those)

I can't think of a plausible reason to have overlapping recipes.  Unless I've
missed something it sounds like we should have a section on implementation 
limits
and put that in it.

R's,
John

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