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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] First-Seen-Safe Replace-by-Fee
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--047d7b6767c8a9da33051702c96f
Content-Type: text/plain; charset=UTF-8

It's just a mempool policy rule.

Allowing the contents of blocks to change (other than by mining a competing
chain) would be pretty much the largest possible change to Bitcoin's
design....

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Content-Type: text/html; charset=UTF-8

<p dir="ltr">It&#39;s just a mempool policy rule.</p>
<p dir="ltr">Allowing the contents of blocks to change (other than by mining a competing chain) would be pretty much the largest possible change to Bitcoin&#39;s design....</p>

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