Reusable Payment Codes for Hierarchical Deterministic Wallets
Questions tagged [bip47]
6 questions
3
votes
1 answer
BIP 47: Bob's first receive address?
I'm trying to create Bob's first receive (ephemeral) address according to the BIP 47 spec after the Notification Transaction has taken place, which I believe to be:
141fi7TY3h936vRUKh1qfUZr8rSBuYbVBK
according to these test vectors. I have been…
user31364
2
votes
1 answer
How does a transaction using a Bitcoin payment code BIP 47 look like on the blockchain?
Having that payment code addresses are untracable, how does a transaction look like in a block explorer if someone sends a payment to a reusable payment code?
Patoshi パトシ
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2
votes
1 answer
How do Reusable Payment Codes work?
I've recently heard about "Reusable Payment Codes" (BIP 47), and it sounds like a great feature, except that I couldn't find a simple explanation of how they work.
Can anybody explain them please?
shx2
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Testing BIP47 test vectors
BIP47 is a new secret-sharing protocol which succeeds BIP64 (stealth addresses).
The test vectors are here.
I am stuck on part 2.iv. We multiply S0 = B0 * a0 (024ce8e3b04ea205ff49f529950616c3db615b1e37753858cc60c1ce64d17e2ad8 * …
Wizard Of Ozzie
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What does it mean for an integer to be a member of secp256k1 group?
I'm reading the spending section of BIP47:
Alice calculates a scalar shared secret using the x value of S:
s = SHA256(Sx).
If the value of s is not in the secp256k1 group, Alice MUST increment the index used to derive Bob's public key and try…
Merri
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How can one sign a message to prove ownership of a BIP47 reusable payment code?
Is there a way to sign a message and prove that an entity owns a BIP47 reusable payment code? How can this be done via js if available?
Patoshi パトシ
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