Keep your money secure with the Material Bitcoin safe bitcoin wallet. This product can endure a wide range of situations. Seriously, it's shock-resistant thanks to its shear modulus of 77 gigapascals. Moreover, it can survive temperatures of more than 900ºC and can remain underwater for long periods of time. Made of high-quality stainless steel, it doesn't have any electronic components. This means no one can hack it. Use the bitcoin address on the card to check your balance and receive funds, and use the private key on the back to withdraw money. Don't worry, it remains covered by a metallic security strip. Generated by a state-of-the-art cryptograpohic engine, the key pair comes from a secure audited system that has no internet connectivity. Produced by an automatic manufacturing process, your private key is known only to you as the creators of this product don't know it, see it, or store it.
With no electronic components, it's impossible to hack.