[Cryptography] Question about Bitcoin's security model

[Jon Callas]

> On Jul 21, 2026, at 15:49, Roland Ionas Bialke <webmaster at pro-wrestling.biz> wrote:
> 
> - There is also the possibility to insert illegal media content into the transaction history - like "cheese pizza". In the past there was rumours about it, but no proof. When illegal media content would be in the transaction history, everyone who is loading it down would be in the posession of illegal media content.
> 
This has already happened. I might be misremembering, but as I remember someone put a piece of CSAM into the bitcoin blockchain; NCMEC has removed it from their corpus, as I remember.

> 
> - One related problem is the centralization of the Bitcoin developing mailing list moderation! They can hide things and they can make up things.
> 
> 
Me, I think that the major problem with many of these systems, especially bitcoin is immutability of the code. If you can't fix bugs, then you have to live with the bugs.

	Jon



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