open public BETA testing, more in-depth technical info, code reviewed by trusted source....
PoSA was in open Beta for weeks (and in IRC you can ask any questions from devs and they will be happy to answer them), now the live PoSA wallet is out:
and for ppl that don't bother to read here it is from the links above:
"PoSA has been a closed source build, to protect it from cloning but when PoSA v2 launches expect a full audit from cryptographer/s or code analyst/s with the aim of adding an extra level of "trust and authenticity" in our work."