Best Free Cold Wallets of 2025

With Bither wallet operating in either cold or hot mode, you can utilize Bitcoin as conveniently as cash or a credit card. The Cold Wallet aspect functions offline and acts as a backup phone, ensuring that private keys are safeguarded with a digital password while also providing real-time network status updates (including Wifi, 3G, and Bluetooth), conducting security checks on private keys, signing transactions that need approval from the hot wallet, and enabling automatic backup and recovery options. Conversely, the Hot Wallet operates online and serves as a daily access point for monitoring your Bitcoin holdings through a Watch Only mode, where you can generate unsigned transactions for specific addresses, and it supports private key management, allowing you to maintain a small amount of funds in this format. Additionally, this decentralized and peer-to-peer Bitcoin wallet does not require any registration or login, offers real-time pricing from major Bitcoin exchanges, and keeps you informed with system notifications for new transactions, making it an efficient choice for both casual and serious users. Overall, Bither caters to various user needs by providing robust security features alongside convenient accessibility.

Bakkt serves as a comprehensive digital asset platform, allowing both individuals and enterprises to engage in the buying, selling, and management of various digital assets, including cryptocurrencies and loyalty rewards. Established in 2018 by the Intercontinental Exchange (ICE), Bakkt initially concentrated on providing secure storage and trading solutions for institutional cryptocurrency investors. As it evolved, the platform broadened its focus to enhance accessibility to digital assets for everyone, effectively connecting the realms of digital currencies with conventional financial systems. One key feature of Bakkt is its mobile application, which empowers users to oversee their digital assets, transform points and rewards into cash, and use cryptocurrencies for daily transactions. Additionally, Bakkt supports businesses by offering tools to incorporate digital asset functionalities into their offerings, fostering deeper customer engagement and loyalty initiatives. The platform’s mission is to streamline the digital asset landscape and promote widespread adoption through its secure and compliant solutions, thereby making digital finance more approachable for all. By continually adapting to the needs of the market, Bakkt positions itself as a leader in the evolving digital economy.

Armory Secure Wallet stands out as the sole open-source wallet that offers both cold storage and multi-signature capabilities. It democratizes Bitcoin security best practices through its innovative interface, making them accessible to all users, and importantly, it is completely free of charge. Designed with developers in mind, Armory serves as an excellent foundation for creating Bitcoin applications such as exchanges and crowdfunding platforms. For those needing assistance in managing substantial Bitcoin holdings, we specialize in supporting exchanges, trusts, hedge funds, and other significant Bitcoin stakeholders. Armory offers the most comprehensive and secure solution for both individuals and institutions, allowing them to generate and store Bitcoin private keys without needing to place their trust in the Armory team, as it is compatible with the Glacier Protocol. Satoshi would undoubtedly be pleased with this development! Users enjoy the benefits of multiple encrypted Bitcoin wallets alongside permanent one-time ‘paper backups’. Additionally, Armory has been a trailblazer in the realms of cold storage and distributed multi-signature technology, ensuring enhanced security for all its users. This commitment to pioneering advancements in Bitcoin security reflects Armory's dedication to innovation in the cryptocurrency space.

imKey serves as a hardware wallet designed to safeguard private keys and sensitive data effectively. It features the integration of a CC EAL 6+ secure chip and offers compatibility with various digital assets supported by imToken 2.0, including BTC, ETH, COSMOS, EOS, and ERC 20 tokens. The imKey Pro edition is tailored for unique user experiences, ensuring security, reliability, and ease of use. Undergoing audits by multiple professional agencies, it employs a TRNG based on the security chip to provide robust private key protection. Enhancements in the manufacturing process have led to the incorporation of festive elements in its design and improved packaging. Users can enjoy the convenience of one-click upgrades and access to a cross-platform exclusive client. By owning an imKey hardware wallet, users can be confident in their protection against hacks. This specialized digital asset wallet now accommodates a wide array of digital assets supported by imToken 2.0, including BTC, ETH, EOS, and Cosmos, with plans to expand support for more asset types through future updates. The security management of imKey is bolstered by its advanced CC EAL 6+ security chip, which adheres to stringent bank-grade security standards, ensuring that users' digital assets remain secure at all times.

Keypairs that are generated can be conveniently printed and stored digitally for future reference. This particular tool emphasizes security and ensures that funds remain solely under the user's control without involving any third-party entities. Users have the ability to protect their private keys with a passphrase and can also split them into segments that can be kept in different locations to ensure that funds are not easily accessible from a single point. The tool automatically offers suggestions to enhance the secure environment in which it operates. Initially, key generation occurs exclusively within the browser of the user's device, allowing for offline creation, and intentionally keeps the keys from being shared with external parties. Furthermore, private keys can benefit from passphrase protection, which is essential for decrypting the keys to access the associated funds. Additionally, private keys can be separated into multiple segments that necessitate their combination for fund access; for instance, a Bitcoin key pair might be split into three segments, requiring at least two to reconstruct the private key. This segmentation can be strategically implemented across various locations to bolster security against unauthorized access. Overall, this approach not only enhances key management but also significantly mitigates risk.