Real estate sectors as well as banking sectors are quite dirty markets.
Despite all AML, KYC and another things which must show at facade that they are clean. And those people do much much worse things than selling real estate for crypto
It's a only matter of meet right people in that country who will know workarounds and serve for this kind of transaction for you personally.
And note that you do not resident of country, they don't know you and for sure don't want to get a problems because of you, so one of tasks to convince that you are safe to work.
For sure you will not get in SPA(in most cases) information that transaction are based in crypto.
Contract should follow all local laws and regulations.
Thus, the real payment of cryptocurrency for real estate will be hidden behind an agreement with payment in cash, bank payment from a 3rd party, sale of the company owning the real estate, etc. But in fact you will pay crypto and get ownership in one or another way for the property.