Replying to Avatar x

Bulletproofs are used to prove that the coins are within a range. IPA is a building block. They are a fundamental for building blinded amount ecash. And with blinded amount ecash, you can have ANY amount ecash, which makes ultrasmall wallets possible.
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Machu Pikacchu 1y ago

Proving coins are in a range rather than a specific amount is useful to obscure timing around inflows and outflows? This protects mint users’ privacy?

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x 1y ago

This is already doable with Chaumian ecash unlinkability properties. What we struggle to do is have the same unlikability also forr the amount the ecash is for.