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Minor terminology and formatting updates in ABSTRACT.md.
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Signed-off-by: Daira Emma Hopwood <[email protected]>
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daira committed Dec 15, 2023
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*Public Contact:* [email protected], [email protected], [email protected]

## Expected deliverables
The working group will focus on the Plonkish arithmetisation used in the Halo2 proving system. The initial deliverable will be split into two draft specifications:
The working group will focus on the Plonkish arithmetisation used in the Halo 2 proving system. The initial deliverable will be split into two draft specifications:
- The Plonkish constraint system specification.
- The optimised Plonkish constraint specification.

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The optimised Plonkish constraint system specification will detail:
- The notion of a *layout*, an assignment of fixed, public, and private inputs within a matrix of field elements.
- The notion of *used* constraints, that indicate which coordinates within the matrix are nontrivially used.
- The notion of *used* cells, that indicate which cell coordinates within the matrix are nontrivially used.
- The fixed, public, and private inputs to the optimised Plonkish relation.
- Support for rotation constraints, which leverage the relative positions of assigned matrix elements to reduce the size of the matrix and the number of equality constraints.
- How to compile to the optimised constraint system.
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The team will meet once every two weeks during 2024 and aims to have an initial draft specification by July 2024.

## Resources
[The Halo2 Book](https://zcash.github.io/halo2/concepts/arithmetization.html)
[UltraPlonk Arithmetisation](https://docs.zkproof.org/pages/standards/accepted-workshop3/proposal-turbo_plonk.pdf)
[Plaf format](https://github.com/Dhole/polyexen/blob/master/plaf.md)
[hax](https://github.com/hacspec/hax)
- [The Halo2 Book](https://zcash.github.io/halo2/concepts/arithmetization.html)
- [UltraPlonk Arithmetisation](https://docs.zkproof.org/pages/standards/accepted-workshop3/proposal-turbo_plonk.pdf)
- [Plaf format](https://github.com/Dhole/polyexen/blob/master/plaf.md)
- [hax](https://github.com/hacspec/hax)

*Submitted on YYYY-Month-DD to the ZKProof Standards Committee.*
*Submitted on YYYY-Month-DD to the ZKProof Standards Committee.*

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