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feat: range proof proving efficiency #106

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Sep 14, 2023
Merged

feat: range proof proving efficiency #106

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Add note about proving efficiency
AaronFeickert Aug 3, 2023
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Add comparison benchmarks
AaronFeickert Aug 3, 2023
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AaronFeickert Aug 4, 2023
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7 changes: 7 additions & 0 deletions src/RFC-0181_BulletproofsPlus.md
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Expand Up @@ -253,6 +253,12 @@ This means single-proof verification has $b = 1$.

Verification in Bulletproofs+ is slightly faster than in Bulletproofs.

### Proving efficiency

It is more challenging to compare proving efficiency, since generation of a range proof does not reduce cleanly to a single multiscalar multiplication evaluation for either Bulletproofs or Bulletproofs+ range proofs.
However, we note that the overall complexity between the inner-product arguments in the proving systems is similar in terms of group operations; outside of these inner-product arguments, Bulletproofs+ requires fewer group operations.
Overall efficiency is likely to depend on specific optimizations.

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## Changelog

| Date | Change | Author |
Expand All @@ -261,3 +267,4 @@ Verification in Bulletproofs+ is slightly faster than in Bulletproofs.
| 13 Jan 2022 | Performance updates | brianp |
| 20 Jul 2023 | Sum optimization | Aaron |
| 31 Jul 2023 | Notation and efficiency | Aaron |
| 3 Aug 2023 | Proving efficiency note | Aaron |
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