What ? you're also developer ?
That master key of course don't exist on source code, because it's just initial parameter. But how can we know that dev doesn't keep it in another place ?
And don't claim that Libertycoin don't have such "master key". It's nature of Zerocoin technology, how the hell you can adopt Zerocoin without using it.
I've reviewed the code and helped fix some stuff in libertycoin.
"That master key of course don't exist on source code"
I asked you to look in the zerocoin libraries, not in Libertycoin
https://github.com/Zerocoin/libzerocoinThen again if you don't know/understand C stop your bullshit.
It seems you don't know anything about cryptography, read Zerocoin white paper to see how it work.