6.5 Why should you not roll your own crypto?
Wasabi Wallet
The prohibition against rolling your own cryptography reflects a real truth: crypto is highly non-intuitive, self-critique is practically impossible, and expert vetting is essential before deployment. But the advice fails logically—someone must develop crypto, and forbidding non-institutional developers is neither enforceable nor desirable. Greg Maxwell's "abstinence-only cryptography" framing cap

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