1. They above listed CEXs enables, Swapping crypto to cash, and vice versa..you simply select which CEX aligns, with your needs the most.
2. Not necessarily, scenarios of higher taxes, simply depends on the jurisdiction of choice..
jurisdictions could have higher taxes, lower capital gains, whilst another jursidiction could zero/lower capital gains. ie
California/New york/Iowa consist of higher capital gains.
jurisdictions with Little or︀ no capital gains tax ie: UAE,Newzealand,Belgium,Belize Etc
morever regardless of jurisdictions of choice, taxes and︁ levies would apply at some point, keeping the setup afloat as well as in good︂ standing with local operational laws..