That doesn't sound scalable. Platforms like Hodlhodl, Peach and Robosats are kyc-free for me, and scalable. No service collects my data, only the counterparty has access to it. And if you use e.g. Revolut, the counterparty only sees a first name. But good luck advocating for in-person-bought-btc-only.
You're right. Scalability is a problem.
Vouchers would be an alternative that does not expose my banking information.
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Indeed, vouchers are an excellent alternative.
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If you paid for the vouchers with CC, the voucher minter knows about you and can trace every voucher.
You are just adding an extra step.
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physical cash, craigslist etc. ?
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