Agent-safe signing on Solana with enforced spend limits; decks, master brief, and the Wintermute deck.
The work in one paragraph
Coldstar keeps the root key air-gapped and lets an agent sign inside a policy: per-transaction and daily limits, program and destination allow-lists, a signature audit log. The token went live on EasyA Kickstart's Solana venue and graduated to Meteora.
What is in the package
Deck · page 1
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