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  1. Technical Introduction
  2. Technical Background

Fully Homomorphic Encryption

Fully Homomorphic Encryption (FHE) is an advanced encryption technique that enables computations to be performed on encrypted data without requiring decryption. This means that data can remain encrypted and secure while being processed, making FHE particularly valuable for data-centric applications. By allowing operations such as addition and multiplication to be executed on ciphertexts, FHE ensures that sensitive information is never exposed during computation. This unique capability protects privacy and enhances security, offering a robust solution for handling confidential data in untrusted environments.

In the context of blockchain technology, FHE can significantly enhance the security and privacy of transactions and smart contracts. Blockchains are decentralized ledgers where all transactions are publicly recorded, which can lead to privacy concerns. By integrating FHE, blockchain platforms can perform computations on encrypted data, ensuring that the content of transactions remains confidential while still enabling validation and verification processes. This can help maintain the transparency and integrity of the blockchain while protecting user data.

Additionally, FHE can be used to secure smart contracts, allowing them to execute complex logic on encrypted inputs without revealing sensitive information. This would enable more sophisticated and secure dApps to be developed, further expanding the potential uses of blockchain.

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Last updated 10 months ago

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