The Big Crunch is the remnant of a former universe as a part of the so called Raspberry Multiverse with 8/or 12 super symmetric universal bubbles around the center.
All black holes are assumed concentrations of Axion Higgs vacuum strings (primordial rings) acting also as dark matter and splitting into two equal BHs ( Herbig Haro bowshocks) by collision with smaller ones.
All black holes are "NON Hawking" plasma producers, creating new stars around them. However the Globular stars in the bulge of the galaxy are merged with metalricher stars of the galaxy.
The Electric Universe by Electric Dark Matter Big Bang Black Holes of Quantum FFF Theory. https://vixra.org/pdf/1902.0349v1.pdf
A Consciousness Theory of Everything
see GABHs