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Carbyne

Carbyne allows registered users to secure their crypto-wallets by encrypting their private keys and seed phrases with a password and generating a QR code to share. We used Argon2id for key derivation from the user password and AES-GCM for symmetric encryption of sensitive data.

A close-up of a mobile device showing the Carbyne logo and an explanation of its functionality, highlighting secure encryption for private keys and seed phrases with password protection.

Client Name

Andreas Gmeunder

Release Date

November, 2021

Project Type

iOS & Android App

Screenshot showing the login interface of the Carbyne application, with fields for entering email and VeReg Passkey, emphasizing user authentication security.
Interface displaying instructions and options for encrypting a seed phrase or private key.
A screen offering choices between hardware wallet and paper wallet encryption, enhancing user flexibility in securing their cryptocurrency.
Interface for selecting the seed phrase length, with options for 12, 18, or 24 words, ensuring customizable security levels.
Input form for users to enter their seed phrase securely, divided into multiple fields for precision.
Screen for setting an encryption password, with warnings about the importance of a strong password and guidelines for secure creation.
A QR code displayed on the screen for sharing encrypted seed phrases or private keys, accompanied by an option to send or mark the process as done.
Instructions for decrypting encrypted seed phrases or private keys using the encryption password, with a checkbox to confirm disconnection from the internet.
Camera interface for scanning an EQR code, with a prompt to place the QR code within the frame for accurate reading.
A mobile interface displaying a QR code scanner within the Carbyne application, instructing the user to place the QR code inside the frame for secure decryption.
A minimalistic mobile interface prompting the user to enter an encryption password for decrypting the EQR code, featuring a clear input field and a Decrypt EQR Code button.
A successful decryption interface showing a list of seed phrases in the Carbyne application, accompanied by a warning against sharing sensitive information for security purposes.
Screenshot showing the login interface of the Carbyne application, with fields for entering email and VeReg Passkey, emphasizing user authentication security.
Interface displaying instructions and options for encrypting a seed phrase or private key.
A screen offering choices between hardware wallet and paper wallet encryption, enhancing user flexibility in securing their cryptocurrency.
Interface for selecting the seed phrase length, with options for 12, 18, or 24 words, ensuring customizable security levels.
Input form for users to enter their seed phrase securely, divided into multiple fields for precision.
Screen for setting an encryption password, with warnings about the importance of a strong password and guidelines for secure creation.
A QR code displayed on the screen for sharing encrypted seed phrases or private keys, accompanied by an option to send or mark the process as done.
Instructions for decrypting encrypted seed phrases or private keys using the encryption password, with a checkbox to confirm disconnection from the internet.
Camera interface for scanning an EQR code, with a prompt to place the QR code within the frame for accurate reading.
A mobile interface displaying a QR code scanner within the Carbyne application, instructing the user to place the QR code inside the frame for secure decryption.
A minimalistic mobile interface prompting the user to enter an encryption password for decrypting the EQR code, featuring a clear input field and a Decrypt EQR Code button.
A successful decryption interface showing a list of seed phrases in the Carbyne application, accompanied by a warning against sharing sensitive information for security purposes.
Screenshot showing the login interface of the Carbyne application, with fields for entering email and VeReg Passkey, emphasizing user authentication security.
Interface displaying instructions and options for encrypting a seed phrase or private key.
A screen offering choices between hardware wallet and paper wallet encryption, enhancing user flexibility in securing their cryptocurrency.
Interface for selecting the seed phrase length, with options for 12, 18, or 24 words, ensuring customizable security levels.
Input form for users to enter their seed phrase securely, divided into multiple fields for precision.
Screen for setting an encryption password, with warnings about the importance of a strong password and guidelines for secure creation.
A QR code displayed on the screen for sharing encrypted seed phrases or private keys, accompanied by an option to send or mark the process as done.
Instructions for decrypting encrypted seed phrases or private keys using the encryption password, with a checkbox to confirm disconnection from the internet.
Camera interface for scanning an EQR code, with a prompt to place the QR code within the frame for accurate reading.
A mobile interface displaying a QR code scanner within the Carbyne application, instructing the user to place the QR code inside the frame for secure decryption.
A minimalistic mobile interface prompting the user to enter an encryption password for decrypting the EQR code, featuring a clear input field and a Decrypt EQR Code button.
A successful decryption interface showing a list of seed phrases in the Carbyne application, accompanied by a warning against sharing sensitive information for security purposes.

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