Stellar Signer Card.
The smartest way to improve your security.
Signer Card uses multisignature technology to maximize the security of your digital assets issued on the Stellar network.
Be sure that your device supports NFC technology.
Required iOS 13 or higher and Android 5.1 and up.

Introducing Vault Signer Card.

Stellar uses signatures as authorization. Transactions always need authorization from at least one public key which in some cases could be insecure. Use Signer Card to confirm important actions in the Stellar network and add additional protection for your transactions.

Instant and Contactless
Connect to your smartphone with near-field communication (NFC) technology which provides an instant connection.
Easy to Use
In LOBSTR Vault app choose any transaction and simply hold Signer Card beneath your smartphone. A signed transaction will be sent to the Stellar network automatically.
Advanced Security
Benefit from unprecedented security thanks to multisignature technology; the chip's firmware creates a cryptographic key that will never leave the chip.
Powered by Tangem.
Designed for contactless double key security.
Near-field communication (NFC) enables the Tangem chip to interact with any smartphone that supports this technology.
Be sure that NFC is enabled on your smartphone and just hold your card under your device to sign the transaction.
LOBSTR Vault App
Vault Signer Card
Use cases
Designed for personal and business use, Signer Card provides a variety of different use cases to fit your needs.
As a main signer
You can protect one or several accounts with a single Signer Card.
As an additional signer
Signer Card can work in pair with another signer device and protect single or several accounts.
As a backup for lost phone
If you are afraid to lose your signer device just set up 2 approvals from 3 different signers and keep Signer Card in a safe place.
How to setup Signer Card?
Add an extra layer of security in 4 easy steps
Download the LOBSTR Vault App
Sign in with a Vault Signer Card
Scan Signer Card with your smartphone
Get a public key to setup multisignature security
You're up and running!
Works with your favorite wallet
Signer Card paired with LOBSTR Vault helps you secure your existing Stellar accounts. Use your favorite wallets / exchanges / other services, and be confident in the security of your money.
Download LOBSTR Vault
Be sure that your device supports NFC technology.
Signer Card is fully compatible with iOS 13 or higher and Android 5.1 and up.