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Cryptography is the backbone of Web3, ensuring secure communication and data integrity. Hashing is at the core, turning data into unique, fixed-size strings, making it vital for verifying authenticity without revealing the data itself. Digital signatures add a layer of trust, allowing users to sign transactions and agreements, ensuring both the authenticity and non-repudiation. Encryption, on the other hand, secures data by converting it into a code, only decipherable by those with the correct key, preserving privacy. Together, these cryptographic tools form the foundation of a secure and decentralized Web3 ecosystem.
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