# \#validator

**URL:** https://forum.canton.network/tag/validator/368.md

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## [Rütli — open-source threshold KMS (FROST-Ed25519) for Canton validators: request for SIG Security review & champion](https://forum.canton.network/t/rutli-open-source-threshold-kms-frost-ed25519-for-canton-validators-request-for-sig-security-review-champion/9433)

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**Author:** [@StakeCraft](https://forum.canton.network/u/StakeCraft)\
**Replies:** 0\
**Last updated:** [October 30, 2026, 6:04pm UTC](https://forum.canton.network/t/rutli-open-source-threshold-kms-frost-ed25519-for-canton-validators-request-for-sig-security-review-champion/9433 "2026-10-30T18:04:43Z")

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Hi all, I’m Vasily from Stakecraft. We’ve built Rütli, an open-source (Apache-2.0), self-hosted threshold KMS for Canton node keys: GitHub - Stakecraft/rutli: Open-source, self-hosted threshold KMS (FROST-ed25519) for C…

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## [DevNet validator won’t start after 0.7.5 → 0.9.3](https://forum.canton.network/t/devnet-validator-won-t-start-after-0-7-5-0-9-3/9366)

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**Author:** [@fzavalia](https://forum.canton.network/u/fzavalia)\
**Replies:** 3\
**Last updated:** [October 29, 2026, 6:41pm UTC](https://forum.canton.network/t/devnet-validator-won-t-start-after-0-7-5-0-9-3/9366 "2026-10-29T18:41:43Z")

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We upgraded our DevNet validator (docker-compose, migration id 1) from Splice 0.7.5 to 0.9.3 on Oct 21 and it hasn’t started since. The upgrade landed in the topology freeze ahead of the LSU to serial 6 / PV 36, and at f…