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Commitment Scheme

Overview#

Commitment Scheme is a Cryptographic Primitive that allows one to commit to a chosen value (message) while keeping it hidden to others, with the ability to reveal the committed value later.

Commitment Scheme are designed so that a party cannot change the message after they have committed to it: that is, Commitment Schemes are binding.

Commitment Schemes have important applications in a number of cryptographic protocols including secure coin flipping, Zero-knowledge proofs, and secure computation.

Commitment Schemes MUST have two properties:

More Information#

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