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The latest of these new “privacy-aware” libraries is Kryptology, and created by Coinbase. This library provides the APIs that developers need, in order to apply to areas of blockchain development. This library include BLS (Boneh-Lynn-Shacham) signatures, Zero-knowledge Proofs (ZKPs) and Shamir Secret Shares (SSS). With BLS we can digitally sign for data, but also preserve its privacy. Applications of this include group signatures, where multiple entities can merge their signing keys together and provide a single signature for a transaction. With SSS, we can split encryption keys up into shares, and then distribute them across a network. When required, we can call these shares back to reconstruct the key.
From Kryptology.
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