Crypto Key Stack introduction
Crypto Key Stack is a DIY cryptocurrency wallet backup device for storing seed phrases and private keys. Up to 10 printing plates can be added to each stack. According to your needs, stacks with different specifications can be built, and each plate can store 24-character mnemonics. The Crypto Key Stack was launched in January 2018 out of user demand for an affordable, high-quality stainless steel backup device that allows users to store multiple private keys.
