RFP: Bring Your Own Solver (BYOS) Summary CoW DAO seeks a grantee to build a “Bring Your Own Solver” (BYOS) solver: a bonded solver that participates in the standard CoW auction and whose proposed solutions are sourced from a permissionless set of external sub-solvers. Sub-solvers submit signed rout…

Really interesting idea, agree that this will make much easier to integrate a new DEX or similar. Just one thing that we want to double confirm: is also expect the approved grantee to run the BYOS operations after the grant delivery (using the solver rewards to fund maintenance), right?

Hello @bleu , yes, that’s right. We’d love to see proposers include their thoughts on how they plan to manage and sustain operations in their applications.

Grant Application - BYOS Meta-Solver: Permissionless Sub-Solver Aggregation for CoW Protocol Author(s) Applicant: Chainza Main contact: Vladyslav Myronenko (email: vlad@chainza(dot)io); Ivan Nazarov (email: ivan.n@chainza(dot)io) GitHub: chainza.io · GitHub Payment address (Ethereum mainnet only)…

Thanks for your applications. We will be reviewing the submissions and providing a statement by next week on the direction forward.

Hey everyone, Thank you to both @chainza and @bleu for your excellent submissions. After reviewing the applications, the committee has decided to move forward with @bleu for the BYOS grant. @chainza , we really appreciate the time and effort you put into your design, it was a very strong applicati…

Thanks for running a transparent process and for sharing the decision here. Congrats to @bleu , looking forward to seeing the solver take shape. We’ll stay close to CoW’s roadmap. If there are future RFPs that fit what we build, we’d welcome the chance to apply again.

Thanks for the trust, everyone! We’re very happy with this opportunity. FYI snapshot link is here

Thanks for posting the proposal @bleu . Your grant proposal has successfully passed the Snapshot vote. Feel free to reach out if you have any questions, we look forward to your deliveries.

RFP: Bring Your Own Solver (BYOS)

CoW Grants Program

bleu June 26, 2026, 7:57pm 5

Hey, just to share we posted a proposal here! Open to feedbacks and discussion

Topic		Replies	Views
Grant Application: CoW BYOS — Bring Your Own Solver CoW Grants Program	6	238	August 12, 2026
CIP-7: Allowing External Solvers Closed Proposals cip , proposal , successful	11	2440	April 26, 2022
CIP-2: Solver Rewards Closed Proposals cip , proposal , successful	20	4477	March 11, 2022
CIP-22: Slashing of the Barter Solver (responsible for a hack causing CoW DAO a loss of 1 week fee accrual) Closed Proposals cip , proposal , successful	5	2871	February 10, 2023
Towards formalizing EBBO rules Technical solver-competition	6	582	May 10, 2024

RFP: Bring Your Own Solver (BYOS)

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