Questions tagged [bip47]
Reusable Payment Codes for Hierarchical Deterministic Wallets
6
questions
1
vote
2
answers
143
views
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 ...
- 13
3
votes
1
answer
329
views
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:
...
user31364
0
votes
1
answer
69
views
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?
- 11k
2
votes
1
answer
1k
views
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?
- 11k
2
votes
1
answer
605
views
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?
- 803
1
vote
1
answer
159
views
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 (...
- 5,278