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spec::maca · 5 signature domains · 4 rounds · evidence-driven slashing

MACA Spec.

Five non-overlapping signature domains. Four signed rounds per height. Five typed validator-role registrations. Surround votes are slashable; equivocation is slashable; invalid blocks are slashable. Tower aggregates 256-block epochs across zones with FFG-style finalization.

MACA overviewRun a validator →
sigil · liverunning
SIGNATURE WIRE FORMAT · Ed25519 over BLAKE3idleDOMAINSIGIL_PROPOSEHEIGHT8 bytesROUND4 bytesPAYLOADblock bytesDOMAINSIGIL_PREVOTEHEIGHT8 bytesROUND4 bytesPAYLOADheader hashDOMAINSIGIL_PRECOMMITHEIGHT8 bytesROUND4 bytesPAYLOADheader hashDOMAINSIGIL_VIEW_CHANGEHEIGHT8 bytesROUND4 bytesPAYLOADlast seenDOMAINSIGIL_TOWERHEIGHT8 bytesROUND4 bytesPAYLOADepoch rootone signing curve · five non-overlapping domains · replay across domains is impossible

Domain-separated signatures. No replays.

Five domain bytes. Five signing surfaces. No accidental cross-domain authorization.

MACA overviewSpec hub →