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28 Apr 2020 00:39:22 UTC
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Bitcoin Q&A: Schnorr signatures and the privacy roadmap
How important are privacy improvements to Bitcoin in the roadmap? How will second layers and atomic swaps help with this? When will Schnorr signatures / signature aggregation be added to Bitcoin? What are Taproot and Graftroot? Will it be done through a soft or hard fork? Should we keep transaction transparency instead of adding privacy features?

Watch Pieter Wuille's presentation - https://youtu.be/YSUVRj8iznU
Schnorr signature BIP - https://github.com/sipa/bips/blob/bip-schnorr/bip-schnorr.mediawiki

CORRECTION / CLARIFICATION: At 3:47, I mention that Schnorr signatures had to overcome "patent encumbrances" and guessed that the patent expired somewhere around 2010. The precise expiration date of the U.S. Patent (No. 4,995,082) was February 2008. At 4:22, I say that ECDSA and EC-Schnorr are based on the difficulty of solving the discrete logarithm problem over a prime-order field. While this is true for the digital signature algorithm (DSA), ECDSA and Schnorr are based on the discrete log problem over an elliptic curve group. (h/t Daira Hopwood)

These questions were part of the monthly live Patreon Q&A session in July and the Denver event as part of 'The Internet of Money Tour' at the Hilton Denver Inverness, which took place on July 28th and August 6th 2018 respectively. If you want early-access to talks and a chance to participate in the monthly live Q&As with Andreas, become a patron: https://www.patreon.com/aantonop

RELATED:
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Money as a System-of-Control - https://youtu.be/FyK4P7ZdOK8
The Stories We Tell About Money - https://youtu.be/ONvg9SbauMg
Bitcoin: Privacy, Identity, Surveillance and Money - https://youtu.be/Vcvl5piGlYg
ADISummit: Self-Sovereign Identity Panel - https://youtu.be/DZbyiJqKT8c
How is fungibility tied to privacy? - https://youtu.be/VuI-8EwqIS8
Public keys versus addresses - https://youtu.be/8es3qQWkEiU
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Airdrop coins and privacy implications - https://youtu.be/JHRnqJJ0rhc
Wallet design and mass adoption - https://youtu.be/WbZX6BDZJHc
How do I choose a wallet? - https://youtu.be/tN6b62sEpsY
Using paper wallets - https://youtu.be/cKehFazo8Pw
Exchanges, identity, and surveillance - https://youtu.be/TVFy8xXfxAA
The price of losing privacy - https://youtu.be/2G8IgiLbT_4
Layered scaling and privacy - https://youtu.be/4w-bjUhpf_Q
Lightning and onion routing - https://youtu.be/D-nKuInDq6g
What is the roadmap? - https://youtu.be/5Eoj_sKyC90
SegWit and fork research - https://youtu.be/OorLoi01KEE
MimbleWimble and Schnorr signatures - https://youtu.be/qloq75ekxv0
Block capacity and embedded data - https://youtu.be/JXt0v54nojI
Mixing services - https://youtu
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