Coinbase claims 99%+ customer funds in cold storage and says they weren't hit by the recent Binance hack.

But here's the thing — this comes straight from their own blog. No independent auditor backing it up.

Self-reported numbers without third-party verification? That's a red flag in crypto.

Proof of reserves isn't optional anymore. If you're holding billions, show the receipts or expect skepticism.

Not your keys, not your coins. Always.