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pk = ((k1 - modinv(s2, n)*z2 + modinv(s1,n)*z1) * (modinv(modinv(s2,n)*r2 - modinv(s1,n)*r1, n)) % n) is what i think he meant.


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c0e2d0a89a348de88fda08211c70d1d7e52ccef2eb9459911bf977d587784c6e is the k1 nonce. a3c2dce777813dc3f0d7a105a5fd56d5894ba30ffa01ba79667cadba37a9d8df is the private key.


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Assuming you're talking about ECDSA signing. For BIP340/Schnorr signatures, see this answer. For valid signatures Let: d: the private key P=d*G: the public key k1: the (first) nonce R1=k1*G: the public first nonce r1=R1.x mod n: the public first nonce as it will be encoded in the signature. k2=2*k1, R2=k2*G=2*R1, r2=R2.x mod n: the same for the second nonce ...


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How do you make a secure wallet? Security depends on lot of things including user and not just the wallets. Most of the open source Bitcoin wallets with active development are secure. If you wanted to secretly get bitcoin from someone, how do you get it? Share your address privately and ask them to send bitcoin. Follow best practices: How do you get the ...


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I believe "anonymously" is a better fit than "secretly". Since every transaction is public and you can't hide the transfer of coins. What you can hide is the identity of the parties involved. As for creating a wallet, you can run your own node, possibly having a hardware wallet (not strictly necessary but it helps). As for getting the ...


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Easy. People are weak and easy to scare, so just a new law that says huge fine and long jail time if you own, buy, sell or deal crypto. That's it. Force the compagny and bank to give crypto owner name. Anyway crypto site have our full name and info, we even have to pay income tax on it. Laws can be done in one day. You don't believe me? Look at everyone ...


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You can also decode from b64 Q29udGFjdCBtZSBhdCBhZGl0ZWMzNUBnbWFpbC5jb20= the: x = 55066263022277343669578718895168534326250603453777594175500187360389116729240 y = 32670510020758816978083085130507043184471273380659243275938904335757337482424 I applied x ^ 3, then added 7, then mod P on that webpage. Then I square rooted it and got ...


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