Que conversa fiada, bitcoin nasceu sem privacidade no layer principal, privacidade deve ser algo opcional. Assim como o Paul descreveu aqui: https://www.drivechain.info/projects/zcash-vs-monero.txt

What about "privacy by default"?

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I disagree with this framing.

YES, we want a high anonymity set. But NO, we do NOT want to achieve it via force -- by making it **mandatory**. That is a mistake. It will not work (at best, and it will backfire at worst).

The "t-address vs z-address" decision is comparable to a "Bitcoin vs Monero" decision or a "Venmo vs Bitcoin" decision. In the real world you can always opt-out. So the focus should not be on trapping people in the privacy world; it should be about making it as cheap as possible to visit there or dwell there.

There is nothing WRONG with "privacy by default". But it IS wrong to treat this as a final goal. Instead, the goal should be "privacy always availiable to people who want it". THAT goal DOES require a large-enough anonymity set (and it does require meta-privacy); but it does NOT require privacy-by-default.

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If you've read the cypherpunk manifesto and know anything about the history that led to Bitcoin, it is *painfully* clear that anonymity AND privacy were both intended for digital cash.

And despite the history you're now framing default privacy as "force". I could easily flip this around and say you're "forcing" surveillance. But that would be disingenuous so I wont.

Do you know the difference between anonymity and privacy and why both are important?

One is hidden actions, the other is hidden identity. Both different concepts. Bitcoin can never be private unless the base layer is changed. It is a public blockchain.

On top of zero privacy, Bitcoin doesn't even have strong anonymity as it is pseudonymous. Your Bitcoin anon set is also only as large as those who don't KYC and your coinjoining partners. A tiny fraction of Bitcoiners. It is much smaller than you let on. And any mistakes made over time by them reduces your anon set. With Monero it is never known if a TXO was spent or by whom and your anon set passively grows over time with no action from you as you're chosen for decoys in other transactions.

You can also always opt out of Monero's privacy with your viewkeys as well.

For someone who doesn't like framing you sure have done it a lot in this reply. I could just as easily say you're "trapping" people in the surveillance world.

All the cypherpunks of Bitcoins past would *strongly* disagree with you.