Write an app-specific plasma that preserves privacy #16435
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does generate the `Verifier.sol`
Armss9936
approved these changes
Oct 16, 2025
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Description
In this tutorial, we build a semi-secret bank for deposits. The bank is a centralized component; it knows the balance of each user. However, this information is not stored onchain. Instead, the bank posts a hash of the state. Every time there is a transaction, the bank posts the new hash, along with a zero-knowledge proof that it has a signed transaction that changes the hash state to the new one. After reading this tutorial, you will understand not just how to use zero-knowledge proofs, but also why you use them and how to do so securely.
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