Splitting keys in this way adds a whole new level of security for your Cryptocurrency investments.
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.
The registration process generates the first of your private keys.
The App creates the second of your private keys.
And create your multi signature wallets.
We use the current best in class encryption and multi signature Bitcoin technology to secure your wealth.Compare Features
How does CarbonWallet compare to other Bitcoin wallets?
Allows keys to spread across devices for maximum security
Use your smartphone to access your wallet and avoid keyloggers and other malware.
Easy wallet backups just by writing down a passphrase.
If the wallet operator is hacked will you lose your coins?
Out of band 2 factor authentication means your 2 factor security is not open to social engineering.
A more detailed breakdown for the more technically inclined.
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 phone 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.
You can download your backup PDF. To retrieve your coins you will need your CarbonWallet password and the BIP39 mnemonic backup of your CarbonKey.
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