Definition ∞ A cryptographic commitment scheme allows a party to commit to a chosen value while keeping it hidden, with the ability to reveal the value later. This mechanism ensures that once committed, the value cannot be altered without detection, and its hidden state cannot be guessed. It functions as a digital sealed envelope, providing a method for two-phase secure communication.
Context ∞ In blockchain technology and digital assets, cryptographic commitment schemes are fundamental for various privacy-preserving protocols and verifiable computation. They are critical components in zero-knowledge proofs, secure multi-party computation, and decentralized exchanges, enhancing security and trust in distributed systems. News often references these schemes in discussions of advanced cryptographic features in new protocols.
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