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Phrasekeeper

Backup your crypto wallet passphrase

Phrasekeeper
Phrasekeeper
Phrasekeeper

Phrasekeeper, punch your wallet passphrase or a private key with punching letters into a plate made of 99% copper to keep it durable against environmental influences like water or fire.

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Makers

Martin Gauer

Topics

Blockchain Bitcoin Cryptocurrencies

Featured

October 19, 2018

Location

Germany, Europe
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