Offline addressing
Author Dr. Craig Wright explained how several possible protocols could be created on top of Bitcoin and described the original protocol and templates that existed in 2009.
Latest public key News
Pay to decrypt
sCrypt designed a smart contract called “Pay to Decrypt” that makes the exchange atomic and trustless, ensuring only a correct plaintext can redeem the locked fund.
Zero-knowledge key-statement proof
In this article, Xiaohui Liu introduces nChain's white paper #0488 titled "Zero-knowledge key-statement proofs” a special ZKP where the secret is a private key corresponding to a known public key.