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Portfolio data is the closest thing to a complete financial picture: every wallet, every position, every chain, every protocol you touch. A hosted portfolio tracker has to join all of that data on its own servers to render a single view to you. Once joined, the data is joined forever, at the tracker’s discretion, and anyone with access to the backend has a complete view of you. Retina does the same join, but it happens in your browser. The view you see is the same. The data set is the same. The location of the join is what changes. That changes 3 practical things:
  1. No central honeypot. There is no Retina-side database to breach or subpoena.
  2. No tracker correlation. Retina cannot correlate your wallets to your email, IP, or device profile because Retina does not collect those.
  3. No silent feature creep. Retina cannot start mining your portfolio for ads, leaderboards, or external products, because Retina never has the join.