大富豪たちの Bitcoin を厳重保管するスイスの秘密格納庫

はじめに


・格納場所が凄い。冷戦時代に、花崗岩の山をくり抜いて作られた地下基地を転用した格納庫。

Server racks for banks, and any client who needs secure data processing, fill a cavity dug over 320 meters deep in the granite mountain. The Swiss military built the facility in 1947, and it served as the army’s secret headquarters during the Cold War, Agence-France Presse has reported. Inside, walls covered with detailed maps and ancient radio electronics serve as vestiges of its military past.


冒頭部分引用



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I’m being driven along the eastern shore of Lake Lucerne when my guide points out our destination. “The bunker is in one of those mountains,” says Maxim Kon, gesturing at a fog shrouded peak on the opposite shore as he pilots his BMW convertible.
Kon is taking me to see one of the vaults where Xapo, the company he works for, stores its customers’ bitcoins. It’s no ordinary vault: I’ve been told it’s inside a decommissioned Swiss military bunker dug into a granite mountain. Its precise location is secret, and access is limited by security measures that would put a Bond villain to shame.
Kon won’t tell me how much bitcoin is stored in the vault, but he says he sometimes takes customers with “millions” of dollars worth of the cryptocurrency stored with Xapo to tour the vault. It’s odd to think of a virtual currency needing physical storage, but just like your most precious photos, even a cryptocurrency needs some kind of material container. Xapo’s founder is the Argentinian entrepreneur Wences Casares, the “patient zero” of bitcoin among Silicon Valley’s elite. It was Casares who gave tech luminaries like Bill Gates and Reid Hoffman their first bitcoins.
A bitcoin vault doesn’t store actual bitcoin units. Technically, what’s being stored are private, cryptographic keys. These keys form a pair with particular, public-facing, keys and provide access to the balance of coins stored on the bitcoin network. Gaining unauthorized access to someone’s private keys is akin to making off with a gold bar.


Ref: https://qz.com/1103310/photos-the-secret-swiss-mountain-bunker-where-millionaires-stash-their-bitcoins/


(2017-10-19)
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