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Fri 星期五
07.18
2025
Fully Homomorphic Encryption and the Dawn of A Truly Private Internet https://bozmen.io/fhe
gene-spafford discussed fully homomorphic encryption (FHE) technology in blog, analyzing its potential for realizing a truly private internet, including encrypted cloud computing, encrypted LLM inference, and confidential blockchain smart contracts. gene-spafford在博客中探讨了全同态加密（FHE）技术，分析了其在实现真正私有互联网中的潜力，包括加密云计算、加密LLM推理和保密区块链智能合约等应用。
Notes
- FHE supports encrypted data direct calculation, with results consistent with plaintext
- Current FHE calculation overhead is 1,000x to 10,000x of plaintext operations, storage overhead is 40 to 1,000 times the original text
- FHE algorithm improves 8 times per year
- FHE is based on lattice cryptography, quantum-resistant
- Craig Gentry's bootstrap technology is the key to FHE's ability to perform infinite addition and multiplication
- FHE applications will make user data collection-based business models obsolete, achieving 'privacy default' internet