What they could do is to simply request all the the wallet provider to filter out who among their customer are from valenzuela. But the things could be easier than done, because those wallet provider would be also punishment if they are allowing those people to register and have an account in them. So, if no one will help your government to track those people, they will not know where you from. Another thing to make it sure is to refuse from company KYC, or the time where you need to upload a valid ID to activate your account. There are lot of wallet provider in there that they don't require you to enter your personal details.