Mars Finance news: Ethereum co-founder Vitalik Buterin has published a new article introducing Diamond iO, a new cryptographic obfuscation technology. The goal of this technology is to address the extremely low efficiency of traditional indistinguishability obfuscation schemes, allowing programs to run while hiding internal logic and critical data. While traditional iO technology offers powerful privacy protection, its operating cost is so high that it is almost impractical. Diamond iO, by adopting more aggressive new cryptographic assumptions, improves computational efficiency from “universe-level runtime” to “planet-level runtime,” bringing it closer to real-world application. Diamond iO is built using technologies such as Attribute-Based Encryption (ABE) and Fully Homomorphic Encryption (FHE). By encrypting programs, users can execute the encrypted programs and obtain correct outputs without being able to view the internal code or hidden keys. The scheme introduces a new input encoding mechanism and conditional decryption methods, lowering computational complexity while ensuring the program logic remains hidden. Its core application scenarios include protecting programs that contain private keys, enabling secure software authorization, building trustless cryptographic services, and supporting blockchain and AI systems with stronger privacy protection. However, Diamond iO is still in an early research stage, and its security relies on new cryptographic assumptions, including All-Product LWE and Evasive LWE, which still require more research to validate. At the same time, it still faces efficiency challenges such as high computational overhead and circuit depth limitations. Researchers believe that by optimizing underlying hash functions, improving homomorphic encryption schemes, and reducing the requirements for security parameters, Diamond iO may become an important direction for advancing practical program obfuscation technologies in the future.

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Vitalik: Diamond IO explores a new “stealth” paradigm for programs, which may push privacy computing to a new stage

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