Public blockchain privacy refers to methods and protocols designed to conceal transactional details or user identities on a transparent public ledger. Given the inherent openness of public blockchains, achieving privacy requires specialized cryptographic techniques. These methods aim to obscure sender, receiver, or transaction amount information while maintaining the network’s verifiable integrity.
Context
Public blockchain privacy is a persistent challenge and a key area of innovation within the cryptocurrency space, driven by increasing demand for confidential transactions. The discussion involves balancing transparency for auditability with the need for user privacy, particularly concerning regulatory scrutiny. Developments in zero-knowledge proofs, confidential transactions, and mixing services are actively being pursued to enhance privacy features on public digital asset networks.
The Zero-Knowledge Authenticator (zkAt) is a new cryptographic primitive that enables users to prove transaction authenticity against complex private policies without revealing the policy logic or identity, unlocking private on-chain governance.
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