Physical cold storage token

Abstract

Provided are offline physical cold storage tokens that include a token shell, at least two internal layers within token shell, wherein each internal layer includes a private key or portion of a private key that is not visible when the token is assembled, and a top layer over said at least two internal layers. The tokens also include a visible public key, for example a stamp or engraving e.g., on a visible portion of the token shell or top layer. The tokens of the invention may also include one or more screws or other devices or mechanisms for holding the components and layers of the token together. Also provided are kits that include one or more components of the present physical tokens, and optionally include instructions and/or tools for assembling or securing the present tokens. Further provided are methods for assembling an offline cold storage token, in accordance with the present invention.

Dependencies are inferred from the claim text.