Identify what you consider out dated source? This is running pivx 3.0!!! Pivx 3.1 was not chosen for many reasons since for one z minting and z staking is not needed or wanted at all. Pivx also never seems to have the most stable current source base. What is your consideration of a up to date source?

v0.12 btc codebase i guess would be kinda old, right? also nobody seems to be able to fix gitian
https://github.com/Bamboo4Panda/bamboo-core/blob/master/contrib/gitian-descriptors/gitian-linux.ymlit looks like after original dev dropped the idea to fix zerocoin proto and started new project - its just community trying to keep things on the float. of course attitude could be changed and etc, but idk. look at crave. used to be a hot coin, just like pivx. now they are both just rust and dirt ahah