'Zero-knowledge' proofs are all about knowing more, while knowing nothing. When married to cryptographic techniques, they are one avenue being explored towards improving the security of online transactions.
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Chazelle, B. The security of knowing nothing. Nature 446, 992–993 (2007). https://doi.org/10.1038/446992a
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DOI: https://doi.org/10.1038/446992a
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