Like in email. Your mail server probably doesn't accept mails with an attachment of 1 Terrabyte. Although the network and protocolls(tcp/ip, mail) support them. There may be mailservers accepting any sized mail and even forward them, but why should you accept these obvious spam/ddos-mails? There are other, better protocolls for big files, sane persons use ftp or torrent for things like that. Same with the btc network.

"the network" is just "other people's computers." I don't care what they want to store in their mempools. I don't want to store spam in mine. *That* is the problem Knots solves.

I don't really care that much what is in my Mempool. I care what is in my blocks.

This is already possible. @stuu Made

GitHub

GitHub - stutxo/labitbu

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as a meme for example, let's see how knots can prevent this without reverting taproot (f08fd61d48f79eeb0c4bc9e58f2d7ecad0e20e5d6411b588590cb0480c8e7fbe), the 80B limit didn't stop anything, and neither did your filter.