To securely store cryptocurrency, Coinbase buys a vault under a mountain in Switzerland - The Hustle

Coinbase bought a company called Xapo’s custody business for $55m -- and the deal included a super villain-style vault under a Swiss mountain.

What Is a Coinbase Vault and Is It Any Good for Storage?

INNOVATE® BLOCKCHAIN by Sven Boermeester - Issuu

How would I go about withdrawing 5 million dollars worth of bitcoin? - Quora

360: The secret Swiss bitcoin storage vault

To securely store cryptocurrency, Coinbase buys a vault under a mountain in Switzerland - The Hustle

we3: The Merge Issue by we3 magazine - Issuu

Don't get any ideas - The Hustle

Bitcoin #310 - Coinopolys

Bitcoin Family' hides bitcoin, ethereum and litecoin in secret vaults

Who invented the word 'Cryptocurrency'? - Quora