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Episode 250: What's the Deal with Hash Functions?
Zero Knowledge
Reinforced Concrete Is a New Hash Function in Poseidon?
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Reinforce concrete tries to replace 90 percent of Poseidon with just one new round. It can be seen like an advanced like and then very next version of Poseidon but kind of from the design point of view from the analysis this new round that we introduced it's of course the very kind of fruity target for for kajanellis so we cannot recommend it for usage immediately. We couldn't decide couldn't devise a way to break the sauge break structure because we didn't know how to efficiently implement it in a circuit. The time erison has changed when we learned about zk proof systems that could use lookups and this gave us kind of extra tool to start with
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