Former Apple Engineer Launches Privacy-Focused Stablecoin Visa Card

A former Apple engineer has developed a Visa card that leverages zero-knowledge proofs and a custom blockchain network to conceal stablecoin transactions from public view. The product, called Payy, addresses what its creator sees as fundamental privacy flaws in existing blockchain financial services.

"Building financial services without confidentiality is irresponsible, unethical, and potentially illegal," said the founder, highlighting GDPR compliance concerns. The system avoids ethereum Virtual Machine compatibility to create what the team describes as a truly private payments layer.

The two-year development effort reflects growing institutional interest in blockchain solutions that balance transparency with financial privacy requirements. While no specific cryptocurrencies are named in the product description, the technology could have implications for stablecoin adoption across both retail and institutional markets.