In contrast, by using the ERC-5564 contract as the base for interoperability, Umbra v2 can support each of these use cases with a new, modular contract. These can be built and deployed by ScopeLift, or built by third parties and simply enabled in the Umbra app

"Even more exciting than this, though, is the fact that this applies to non-payment use cases of stealth addresses. Said use cases can be built as interoperable modules."

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"Even more exciting than this, though, is the fact that this applies to non-payment use cases of stealth addresses. Said use cases can be built as interoperable modules." https://scopelift.co/blog/introducing-umbra-v2-architecture