What XColdPro Is

A software-first approach to cold storage: air-gapped wallet creation and offline signing on hardware you already own, with AES-256-GCM encryption across 22 networks.

Software-first cold storage

XColdPro turns a storage device you supply into an air-gapped wallet environment, rather than shipping a proprietary device of its own. There is no vendor firmware in the trust surface and no dedicated hardware to source, which also means a deployment can be duplicated as many times as an organisation needs.

Air-gapped by design

The wallet is meant to run on a machine with its network paths removed — WiFi, Bluetooth and wired. Keys are generated and used only inside that isolated environment, and only unsigned and signed transaction data crosses the boundary.

Multi-chain coverage

Twenty-two blockchains are supported natively, including Bitcoin, Ethereum and the major EVM layer-2s, Solana, Cardano, XRP, Cosmos and Polkadot, with ERC-20 and SPL tokens on top of them.

A protocol layer above the cipher

Beyond encryption, the platform adds protocols for operational situations: privacy-sensitive transfers, emergency evacuation, inheritance, threshold seed backup and multi-party approval. Which of them you get depends on the edition.

Where to go next

The editions page compares Frost, HellBound and Nyxor; the security architecture page describes what the encryption does and does not cover; the how-it-works page walks through the offline signing workflow.