All Questions
Tagged with cryptocurrency threshold-cryptography
5 questions
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Does FROST threshold signing go well with BIP340?
FROST is a popular threshold signing protocol for Schnorr-style signatures.
BIP340 is a specification for an instantiation of a Schnorr-style signature scheme for Bitcoin Taproot. Specifically, they ...
0
votes
1
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70
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Can parties in an MPC protocol establish a shared secret with an external party?
Creating a shared secret(ECDH) with a single private key is easy:
a·B = b·A
Does the same apply to MPC? and if so how?
Based on Gennaro and Goldfeder CCS 2018
2
votes
0
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24
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Which channel protocol should I use to broadcast the message between parties?
I am building the Threshold Signature Scheme (TSS) based wallet. I would like to run the each party's node separately with different host. And these nodes should be able to send the messages through ...
4
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3
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498
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Why won't a BFT protocol using simple signing/voting work?
PBFT and most consensus algorithms are more complicated than a simple voting scheme. By simple voting I mean the following: we require all nodes to sign their local copy of the state and send this ...
2
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1
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285
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Time efficiency of Bitcoin Multi-signature Vs. threshold signature
I read this paper (Securing Bitcoin wallets via a new DSA/ECDSA threshold signature scheme) that illustrated that threshold signature is the best solution to avoid single point of failure
but I think ...