Summary
Tangem is a non-custodial hardware wallet that provides users with sole control over their private keys and digital assets. The Tangem app and card, paired with an NFC-enabled phone, are needed to manage crypto. The app emphasizes data privacy and security, though it may share app activity and device IDs with third parties. Data is encrypted in transit but cannot be deleted. While generally well-received for ease of use and security, some users have reported login issues, scanning failures ('Online Attestation failed'), and incorrect data visualization bugs. Customer support experiences have also been mixed, with some users feeling their issues were not adequately addressed.
Key Insights
Tangem offers a non-custodial cryptocurrency management solution, ensuring users retain full control over their private keys and assets.
Tangem operates as a non-custodial solution, meaning it does not hold your funds. This design principle ensures that you, the user, have complete and sole control over your private keys and digital assets at all times. To manage your cryptocurrency effectively, all you require is the Tangem application and a Tangem card, used in conjunction with a phone that has NFC capabilities.
Data security and privacy are highlighted, with data encrypted in transit, but users should be aware of potential data sharing and the inability to delete data.
Tangem addresses data privacy and security by stating that data is encrypted in transit. However, it's important to note that the app may share certain data types, such as 'App activity', 'App info and performance', and 'Device or other IDs', with third parties. Furthermore, the collected data cannot be deleted by the user, according to the information provided.
Sections
User Reviews and Feedback
Some users report login issues and bugs preventing wallet access.
A user reported being unable to log in to their wallet due to a bug, resulting in being locked out of their account until a fix is provided by the developers.
Card scanning failures ('Online Attestation failed') are a reported issue, impacting wallet access.
Another user experienced issues where none of their three cards would scan, consistently receiving an 'Online Attestation failed' message and being advised to try again later. This issue persisted for over two weeks.
Customer support has been criticized for not adequately addressing user issues, with one user stating their email did not send due to an invalid address.
One user detailed a negative experience with customer support, stating that after sending two pictures clearly showing their issue, the support team claimed everything was working fine, indicating they did not properly review the provided evidence. The user also mentioned their email to support did not send due to an invalid address.
Visual bugs affecting cryptocurrency graphs show incorrect positive/negative values.
A recurring bug affects the cryptocurrency graphs within the app, displaying negative values when they should be positive and vice versa. This misrepresentation hinders accurate portfolio tracking.
Despite issues, some users praise Tangem for its ease of use, security, and advanced features like seedless options and passphrase support.
Conversely, some users find Tangem to be the best and easiest to use. They highlight its security, especially when paired with phone protection against viruses and malware. The seedless option and the recommendation to use a passphrase on top of the seed are noted as making it nearly impossible to compromise the private key. The app also supports multiple wallets, allowing for better portfolio management.
Customer support is positively mentioned by some users.
One user specifically praised the customer support as 'great', contributing to an overall positive experience with the Tangem wallet.
Developer Information and Updates
Tangem AG is the developer, providing contact details including an email and phone number.
The developer of the Tangem app is Tangem AG. They can be contacted via email at support@tangem.com or by phone at +41 79 426 18 70. Their physical address is Baarerstrasse 10, 6300 Zug, Switzerland.
The latest update focuses on minor improvements for a smoother user experience.
The developer's note for the latest release on April 1, 2025, indicates that they have made 'some tweaks' to enhance the user experience, aiming for a smoother and more enjoyable interaction with the Tangem wallet.
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