Crypto Key Stack Hardware Wallet

Crypto Key Stack is a stainless steel, offline backup device for your most sensitive information including mnemonic phrases, private wallet keys, and passwords. The set contains the stainless steel plates of your choosing and also always contains the engraver, to allow you to write your information. Software based hardware wallets help protect your keys while transacting. The Key Stack helps protect your hardware wallet seed phrase from physical stress.  Use them together to maintain best security practices. Black anodized stainless steel plates offer fire protection up to 2200°F. Twice the average temperature of a house fire. Electric engraver included with each stack purchase. Skip the third-party with a quick, easy, and private way to permanently backup your cryptocurrency keys.