Zordle is a word-guessing game that emphasizes privacy by employing zero-knowledge proofs from the perspective of the verifier to safeguard the confidentiality of the player's predicted words. The game now has an additional degree of security, similar to the popular word-guessing app Wordle.
Before beginning Zordle, the player and the verifier agree on a shared grid of letters. The participant then endeavors to construct a word using a subset of the grid's letters. To demonstrate their knowledge of the word to the verifier, they use a zero-knowledge proof, which involves concealing the real word.
Zordle utilizes a zero-knowledge proof that stems from the Halo 2 ZK proof system, marking a significant advancement in the realm of scalable and efficient zero-knowledge proofs. Zordle may ensure strong privacy safeguards while retaining maximum performance by leveraging Halo 2.
All modern web browsers can use Zordle, a free web application. Developed by a team of scientists at the University of California, Berkeley, it serves as both an enjoyable and informative game as well as a resource for studying and lecturing on zero-knowledge proofs.
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