Dont answer. They're scammers

Caller: Nicholas from All crypto markets

I filled on a registration form for an alleged opportunity that the commonwealth bank and his company are offering re crypto and he called and we had what I believed to be a legit conversation. When I called number back the following day it says it's not in service and their website allcryptomarkets.com comes up with a funny page. Lucky I've invested no money, going to check with commonwealth bank & check the abn this guy gave me buy I think it's possibly a scam.