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Splitcoin secures your seed phrase. It will never know your seed phrase or ask you for it.

SECURE.
DISTRIBUTED.
OFFLINE.

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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!

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HOW TO ACCESS YOUR CODEBOOK
How it works
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

The Splitcoin App

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

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

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.