To register/login scan the QR code with a compatible android/iphone app.
We split our keys between your smartphone and encrypted on our server.
Payments require your secure passphrase AND a signature from your phone.
The key held on our server is encrypted with your passphrase in the browser.
Multi Signature Transaction Support
Allows keys to spread across devices for maximum security
BIT ID Authentification
Use smartphone to access your wallet making the it immune to keyloggers and other malware.
Easy wallet backups just by writing down a passphrase.
Operator has access to funds ?
If the wallet operator is hacked will you lose your coins ?
|No Access||Full Access||Partial|
Out of Band 2 Factor
Out of band 2 factor authentication means your 2 factor security is not open to social engineering.
We operate a 2 of 2 multi signature wallet. When you pair your smartphone with CarbonWallet you send us an extended public key. We never see the private key on your phone.
The second private key is generated in the browser (similar to blockchain.info/wallet) and encrypted in the browser with your passphrase.
We then combine the 2 extended public keys to create the 2 of 2 wallet.
Carbon wallet can create a Bitcoin transaction with the 2 extended public keys but can't sign it.
The second signature is supplied by your smartphone. You have to scan a QR code which gives the pone the information required to retrieve the transaction form our servers. The smartphone signs the transaction and sends it back to CarbonWallet.
When we receive the fully signed transaction we broadcast it to the Bitcoin network.
Your smartphone wallet application should have its own backup procedure. For example the onchain.io android wallet allows you to a BIP38 backup passphrase.
The private key held encrypted on our servers can de downloaded as a Paper wallet and stored safely.
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