Invoices for BHW Sales?

Hey everyone, might be a dumb question but..

If i make money from clients that come from BHW, from my marketplace thread for example, they contact me on Telegram, pay via crypto, i deliver the service, all good. But i have a registered company, and i need to create invoices for every money i make. I don't wanna hide anything. But i don't really wanna ask my clients for their name / company info, i am sure most would not even give it out or would just give me a fake name.

What would be the best legal solution here?

You are asking here a question that you should actually ask your Accountant.
We don't know where you are, and the Rules are different between countries.

In Israel, you need to report income from clients (or networks, for example) in the form of producing an invoice and a receipt even if no one's gonna get it.
For example, I produce receipts for Amazon, Fiverr, and Google on monthly basis, even though I don't send them to anyone.
It could be the case in your country, too.

Perhaps you can use invoicing software that allows you to generate invoices without requiring full information from your customers, thus staying compliant.