A really interesting game theoretic perspective by David Hoffman on what drives MKR value: it's a long waiting game for who'll be the last to sell out to the perpetual auction. Incentives are a beautiful thing.
Stanford's cryptography stars Dan Boneh and Benedikt Bünz, with two researchers from Visa, have dropped a super interesting whitepaper for an Ethereum-compatible private payment mechanism that provides both anonymity and confidentiality using an improvement over Bulletproofs (as opposed to the ZKP approach used by Aztec).
Pretty expensive gas-wise at the moment, but room for optimization. Exciting times for privacy-preserving tech (h/t Mihailo Bjelic).
It's great to see some seller infrastructure getting built for OpenBazaar.
Zokos allows sellers to setup an OB storefront from the web, without having to download and run the software. It compromises some of the censorship-resistance and security features of dealing directly with OB in the name of more convenience.