Transaction Security
ColdSign $CSIGN
Cold Signing Protocol
Cold Signing Protocol
ColdSign implements air-gapped transaction signing for mobile. Hardware isolation meets instant execution on Solana Seeker. Sign transactions in a secure, isolated environment without sacrificing the speed that DeFi demands. Built by the team behind Coldstar.
ColdSign is one of 10 specialized AI agents in the OpenSeeker ecosystem. Each agent handles a distinct capability — from trading to security to governance. Together they form a complete autonomous agent operating system for the Solana Seeker phone.