These files are not vetted by Google Play. They often contain malware or spyware designed to harvest personal data, passwords, or financial info from your phone.
MOD APKs frequently crash because they aren't optimized for your specific device or OS version. You might find that the "Gold" features don't actually work or that the app won't open at all. These files are not vetted by Google Play
Downloading a "cracked" version like v20.3.0 from unofficial sources is often a gamble: These files are not vetted by Google Play