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HackerNoon
hackernoon.com
did:plc:kbzotn4ippvrqllcitxglgm2
XColdPro CEO Brad Messier on building patent-pending cold storage with OS-level threat defense and the first automated dead man's switch for crypto inheritance. #proofofusefulnesshackathon
https://hackernoon.com/xcoldpro-cold-wallet-storage-earns-a-52-proof-of-usefulness-score-by-building-hardware-agnostic-cold
2026-03-24T16:08:35.660Z