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What is Decentralized Redactable Blockchain Solution about?

This document proposes a new approach called decentralized policy-based chameleon hash (DPCH) to enable rewriting of blocks or transactions in a blockchain in a controlled way without requiring a fully trusted central authority. Existing redactable blockchain solutions either require a central authority with full trust or operate in a permissionless setting. DPCH improves on these by issuing rewriting privileges from multiple authorities to reduce vulnerabilities, introducing a new cryptographic notion with

Author

Thiago Astrizi

Language

EN