Security Problem Definition and Security Objectives of Cryptocurrency Wallets in Common Criteria

Abstract

Bitcoin paper gave birth to a new era; cryptocurrencies aiming distributed trust model. Almost all the cryptocurrencies require their users individually manage their own cryptographic keys, provide or recommend use of cryptocurrency wallets. A wallet, which at least stores public-private keys and addresses, is one of the key points for end-users' security. Since the authentication of a transaction strictly depends on private keys, any adversary who gains access to a wallet may seize all the coins within. Hence, cryptocurrency wallet solutions should be carefully analyzed and better to be certified if possible. In this study, we aim to define the security problems and objectives necessary for the development of a certified product that can stand against the known attacks within the Framework of Common Criteria (CC). We believe this would be a brief source for cryptocurrency wallet Protection Profile (PP) and Security Target (ST) documents.