Introducing ColdCoins — Est. 2024
Numismatic artistry meets blockchain sovereignty.
The world's finest physical cold storage coins.
What Is a ColdCoin?
ColdCoins are limited-edition numismatic coins — struck in the tradition of early American coinage — that contain a fully funded, air-gapped cryptocurrency cold storage wallet sealed beneath a tamper-evident security hologram on the reverse.
Each coin is a masterpiece of craft and cryptography: a tangible store of wealth that holds real intrinsic value in the metal itself, while simultaneously securing your digital assets with state-of-the-art private key generation technology. Own your wealth — in every dimension.
Choose from our 1oz Fine Gold or 1oz Fine Silver numismatic coin — both struck to proof quality with high-relief die artistry.
During the minting process, a unique cryptographic keypair is generated using our proprietary air-gapped hardware. The private key is sealed beneath a holographic security sticker — never digitally transmitted.
The public address is engraved or printed on the packaging. Simply send cryptocurrency to that address and your coin becomes a funded cold storage wallet.
To access funds, carefully peel the tamper-evident hologram to reveal your private key. The hologram is designed so any tampering is permanently visible.
Why ColdCoins
Private keys are generated on isolated hardware that has never touched the internet — mathematically impossible to intercept remotely.
Military-grade security hologram technology. Any attempt to access the reverse reveals irreversible visual evidence of tampering.
Hand-finished proof strikes mirror the artistry of early US numismatic coinage. Each coin is a collector's work of art in precious metal.
Your investment is backed by both physical precious metal and digital assets — a hedge across two distinct stores of value simultaneously.
Each ColdCoin ships with a numbered Certificate of Authenticity, assay card, and protective capsule to preserve condition indefinitely.
ColdCoins support Bitcoin, Ethereum, and major EVM-compatible networks. One coin — any supported digital asset you choose.
The Collection
Limited mintage. Each coin is individually numbered and shipped in a presentation box worthy of the treasure within.
The pinnacle of the collection. Struck in .9999 fine gold with proof finish, high-relief relief design, and a Bitcoin cold wallet sealed within.
Same proof artistry and air-gapped security technology as the Aurum — in lustrous .999 fine silver. The ideal entry into physical crypto sovereignty.
Own both metals, both wallets. The complete ColdCoin experience — presented together in a mahogany vault case with numbered certificates.
Security Architecture
The reverse of every ColdCoin bears a tamper-evident security hologram bonded directly to the coin's surface. Beneath it, laser-engraved into the metal, is your wallet's private key — never printed, never stored digitally, never transmitted.
The hologram uses void-pattern adhesive technology. Any attempt to lift or disturb it leaves a permanent, unremovable "VOID" pattern on both the hologram and the coin surface beneath — an immediate, irrefutable indicator of compromise.
Keys created on hardware that has never and will never connect to any network.
Private keys are micro-engraved into the metal — permanent, unfakeable, and never on paper.
Tamper attempts permanently mark both hologram and coin, visible to the naked eye.
Collectors & HODLers
The Aurum ColdCoin is the most stunning object I own. The relief work is extraordinary — it belongs in a numismatic museum, yet it holds my Bitcoin securely. A genuine masterpiece of both art and engineering.
I've used hardware wallets for years. The peace of mind from a truly air-gapped, physically tangible key that has never touched a USB port is something no Ledger can offer. ColdCoins changed how I think about custody.
Bought the Vault Pair Set as a wedding gift — the mahogany presentation case alone is worth the price. My brother-in-law, a gold stacker and crypto investor, was completely speechless. Nothing else like it exists.
Limited Mintage
Once a mintage is exhausted, it is gone forever. Each coin is a numbered piece of history — at the intersection of precious metal and digital wealth.