This is true, if you are from a country that doesn't allow cryptocurrency then you won't find many events. But for people in the UK and US, I am wondering if they have ever been to a crypto event.
Instead, you should take advantage of the platforms we do have online, wherein most of the cryptocurrency events are focusing their topics into. Such as blockchain development, implementation of a new cryptocurrency, development of tokens, and cryptocurrency trading. For sure, there is allot of hindrance we could encounter upon searching available blockchain/crypto events, but still, online source is somehow reliable and will equip us with knowledge we need.