Proposal: Harmonia

OPENPull Request

by luis-marado-unlockit27-03-2026Incoming

Development Fund Proposal Submission

Proposal file: /proposals/harmonia.md

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Summary

Harmonia proposes an open decentralized workflow engine for Canton that lets teams define and compose workflow-heavy multi-party applications without relying on a central workflow operator. It delivers a bounded workflow-definition DSL, a reusable runtime and composition framework, example workflows, and developer documentation to reduce the cost and implementation risk of building composable Canton applications.

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Checklist

[x] Proposal file added under /proposals/
[x] Milestones and funding amounts defined
[x] Acceptance criteria included
[x] Alignment with Canton priorities described

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Notes for Reviewers

This proposal is intentionally scoped as a bounded execution and composition framework, not as a full BPMN engine or end-user workflow studio. The first release focuses on a constrained workflow subset that can be mapped credibly to Canton authorization and transaction semantics, with staged progression and bounded atomic execution where that is actually supportable.