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Vault12 Guides

Creating a Watch-only Wallet with xPub and Address Explorer in Vault12

Vault12 introduces a new feature that reduces your security risk by enabling you to create a Watch-only wallet for assets in your digital Vault. No need to expose seed phrases nor unlock assets.


Watch-only wallets enable you to keep track of your cryptocurrency balances without ever exposing your private keys or your seed phrase. Vault12 has introduced a new capability, Address Explorer, for BIP39 compatible wallets that enables you to display your wallet addresses for assets locked in your Vault - without the need to unlock assets.

These addresses can then be used in Watch-only wallets. The Address Explorer handily enables you to copy addresses for easy import and also provides an xPub export to make it very simple and straightforward to create Watch-only wallets.

What is an xPub

xPub, an extended public key, is a special public key that represents a group of public keys or addresses. xPub is used to create a Watch-only wallet, a simple way to track your balances and transactions without using your seed phrase or your actual transactional wallet.

Wallets that use the BIP39 standard provide multiple addresses (often referred to as accounts) that can be used to deposit cryptocurrency. To protect your privacy even further it is advisable to use different addresses, and not just the default first address. In fact, the BIP32 standard for Hierarchical Deterministic Wallets gives you even more control over selectively revealing addresses, protecting your overall privacy.

Benefits 

Each BIP39 wallet provides public addresses that can be used for different assets e.g. different cryptocurrencies or NFTs. Many wallets refer to these addresses as Accounts, but as far as the blockchain is concerned these are addresses where digital assets can be deposited. Addresses give you the following benefits:

  • Multiple addresses mean multiple currencies in a. single wallet, protected by a single seed phrase
  • The ability to have a virtually unlimited number of crypto addresses for receiving purposes, while keeping your seed protected.
  • As an added protection, you can avoid using the first several addresses to further reduce your risk of compromise.
  • Using your addresses, or doing an xPub export means you can inspect your balances without ever exposing your seed.

How to use Address Explorer

To be able to explore your wallet addresses for assets locked in your digital vault, you first need to make sure your seed phrase asset is either generated from Vault12 or imported with the Address Explorer option.

1. Add Asset to Vault

2. Select Backup Code option

3. Type in the name of your wallet

4. Select the size of your seed phrase

5. Enter your seed phrase

6. Name your asset and save - selecting the Address Explorer option.

Click on the Address Explorer to display available addresses.

1. Select the cryptocurrency type

2. Your addresses are displayed with options to export your extended public keys (xPub)

3. Click on an address to display the QR code to receive payment.

How to use xPub to create a Watch-only Wallet

In this example, we will import the xPub into Bluewallet.

In your digital Vault, select the asset whose addresses you wish to export.

1. Select xPub to export the address

2. Copy the xPub

xPub Privacy

Anyone who has access to your xPub can see all the addresses associated with your wallet and therefore all transactions.

3. Open your chosen Watch-only wallet

4. Select 'Import wallet'

5. Paste in your address or xPub

6. Bluewallet recognizes the xPub and sets up your Watch-only wallet.

Once your Watch-only wallet is set up, you can inspect your balances at any time.

Recover, Back Up, and Inherit Digital Assets

(including Cryptocurrency Seeds, NFTs and Art)

Every digital asset you own should be backed up, protected and remain accessible. Cryptocurrency in particular is difficult to secure. With natural disasters, hackers, to badly implemented security, you are always at the mercy of others.

Vault12 Personal Digital Asset Security helps you recover, backup and provide legacy inheritance for all your digital assets, including Bitcoin, Ethereum, NFTs, other cryptocurrencies, private keys, seed phrases, digital art and of course, your crypto wallets.


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Recover, Back Up, and Inherit Digital Assets

Introducing Digital Inheritance

Pass on your Digital Assets to future generations

Vault12 Digital Inheritance is the first solution to offer a simple, direct, and secure way to ensure digital assets can be accessed by future generations. Digital Inheritance enables investors to designate an individual who will inherit their entire portfolio of digital assets stored in a secure Vault once the time comes, eliminating undue risk and the need to continually update an inventory or continually issue updated instructions.


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Personal Security for your Cryptocurrency and Digital Assets

Designed to be used alongside traditional hardware, software and online wallets, Vault12 helps cryptocurrency owners, ICO investors, professional cryptocurrency traders, and high net worth investors safeguard their digital assets without storing anything in the cloud or in fact any one single location. This increases the protection and decreases the risks of loss.


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Personal Security for your Cryptocurrency and Digital Assets

Easy to setup, easy to secure, easy to access.

A digital Vault containing your digital assets is assigned to trusted people or devices, known as Guardians. Your Guardians can be adjusted as needed in real-time so that the appropriate number are always guarding your digital assets. No one can access your assets and only you get access when you need.


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The Winklevosses came up with an elaborate system to store and secure their private keys. They cut up printouts of their private keys into pieces and then distributed them in envelopes to safe deposit boxes around the country, so if one envelope were stolen the thief would not have the entire key.

Nathaniel Popper, New York Times, December 19, 2017

20% of all Bitcoin is lost forever. That's $20B, in fact, in 2018 alone, $1.1B has been stolen.

Elliott Krause, The Wall Street Journal, July 5, 2018

The idea behind Vault12 is how do we essentially split that responsibility, make that problem of key control less a technological one by essentially making it into a social one with networks of people that they trust.

Terence Spies, former CTO, HP Enterprise, Data Security

Exchanges are the main target for hackers. Those are the biggest honeypots. So the number one rule in Crypto is, do not keep your money on an exchange, and if you're going to custody that money, you need to do it off of the exchange with a product like Vault12.

Joe DiPasquale, BitBull Capital

Security and usability are inextricably linked, the former cannot exist without the latter. Vault12 understands the need for end-to-end management of this experience as well as the importance of integrating into the prevailing crypto ecosystem

Sathvik Krishnamurthy, Founder and Managing Partner, Security Leadership Capital

As we move to a more open financial system driven by advanced blockchain technology and cryptocurrency, we need smarter ways to ensure that the system is trustworthy. Vault12 does this by addressing a foundational need -- ensuring that your crypto assets are not only protected by decentralized security, but also by your trusted inner circle. Your private key never exists in one place or with one entity, reducing risks from hackers as well as everyday accidents.

Vinny Lingham, Entrepreneur and Advisor

Security is the lifeblood of industry, commerce, and leisure. As more people use decentralized applications, they will need a way to back up their crypto wallets and exchange accounts. Vault12 provides a simple and natural way to reduce risks and combat the fear of forgetting seed phrases and private keys.

Jon Callaghan, co-founder of True Ventures

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The Vault12 app is now available from iOS and Android app stores.