THE FIRST MOMENTS. “All the ingredients for efficient electroweak baryogenesis occur naturally around those rare and very localized hot spots associated with primordial black hole collapse during the QCD epoch.” (Hint: QCD does not mean Quit Claim Deed, but 10(-5) to 10(-3) seconds after the Big Bang).
https://royalsocietypublishing.org/doi/10.1098/rsta.2019.0091