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Most people are not able to back up their security keys; they will lose the device. They will not have the proper encryption for their backup; they will write it on a piece of paper, someone else will see it, and they will steal those funds.
-Changpeng Zhao, CEO of Binance
To create your vault, the Splitcoin app will show you how to use your codebook to convert your seed phrase into a new seed phrase — your encrypted seed phrase. If someone else were to see your encrypted seed phrase, your crypto would be safe!
Note: You can safely store your password with your encrypted seed phrase in a secret location. Store them exactly how you would store an unencrypted seed phrase. Each Splitcoin should be stored in its own location.
To open your vault, you will need to scan your set of 2-8 Splitcoins and enter your password into the app. Then use the codebook to convert your encrypted seed phrase back into your original seed phrase. Think of your codebook as the key to your vault!
HOW TO ACCESS YOUR CODEBOOK
MINIMAL &
BEAUTIFUL DESIGN
Android/iOS
app using NFC
AES-256-GCM encryption
Sleek, durable,
acrylic material
Offline vault creation and vault opening processes
​
50 year data
retention period
Never needs
charging
40mm diameter
2-8 coins
used per set
Never asks for your seed phrase
OFFLINE VAULT
Your paper or metal seed vault protects your seed phrase. Split and store your vault key across a set of Splitcoins, protected by AES-256-GCM encryption.
CUSTOMIZE AND COPY
Use anywhere from 2-8 coins for a single set of Splitcoins. Using tools in the mobile application, you can easily make copies of your coins. It is a good idea to make backup sets!
NEVER NEEDS CHARGING
NFC technology never requires charging. Simply scan your coins in the Splitcoin mobile application to read and write data.
NEVER ASKS FOR YOUR SEED PHRASE
Create and open your vault using your two-way codebook, which is used to manually encrypt and decrypt your seed phrase. The mobile application will never know or ask for your seed phrase.
DATA RETENTION
Acrylic coins act as durable and dedicated storage. Boasting a 50 year data retention period, they retain data much longer than the standard 10-20 years from SSD and HDD.
AIR GAPPING
Data is air gapped and stored only on your coins. Optionally, you can also run the app on a secondary smartphone permanently in airplane mode to eliminate the risk of malware.
Create Vault
Secure. Distributed. Offline.
Splitcoin is an offline vault for your seed phrase that does not rely on any trusted third parties. Your encrypted seed phrase is your vault that protects your original seed phrase. This process will create your vault by showing you how to convert your original seed phrase into your encrypted seed phrase by hand. The key to your vault is stored securely across a set of physical, electronic coins or QR codes.
Open Vault
Secure. Distributed. Offline.
Splitcoin is an offline vault for your seed phrase that does not rely on any trusted third parties. Your encrypted seed phrase is your vault that protects your original seed phrase. This process will open your vault by showing you how to convert your encrypted seed phrase into your original seed phrase by hand. The key to your vault is stored securely across a set of physical, electronic coins or QR coins.
SPLITCOIN COMPLIES WITH BEST PRACTICES
01.
Never share your seed phrase with anyone.
02.
Never store your seed phrase online.
03.
Never enter your seed phrase into a device that isn't a hardware wallet.
