Alternatively, if the user is referring to multiple projects: Zcoin and Skycoin. But that seems unlikely unless they're asking about interoperability or a joint update. Alternatively, maybe there's a new project that combines ZEN (from ZenCash, now HiPrivacy) with Skycoin's "skyupd".
Wait, let me check if any recent updates from these projects exist. If it's Skycoin, they frequently release updates related to their Skywire network or blockchain. For example, perhaps a new version of the Skycoin daemon or wallet. For Zcoin, the project is currently known as HiPrivacy, and they focus on privacy and zk-SNARKs. zenocoinscom sky upd
Another angle: "skyupd" could be a command-line tool or a software component. In Skycoin, there are various CLI tools for managing nodes or wallets. An "update" would mean upgrading to a newer version of such tools. Alternatively, if the user is referring to multiple