Locks vs Seals: Why the New Cryptosteel Capsule Doesn't have a Locking Mechanism

When it comes to cold storage, a padlock may seem like a good idea, adding an extra bit of security. However, this is only “security theater.” It may make you feel safer but in reality, it does little to nothing in that regard. As my grandmother…
Cryptosteel Capsule Heat Test Jet Fuel FireSword Ltd

Independent Heat Test of the Cryptosteel Capsule

Our latest device, the Cryptosteel Capsule, is the result of years of R&D all towards building the best metal backup device possible. Of course, the research part of the equation means that we put the final product through test after…
Jameson Lopp Stress Test Results Presented at MCC2019Sword Ltd

Metal Seed Security — The Producers of Low-Quality Copycats are Hurting Cryptocurrency Users

While the growth and maturity of the cryptocurrency space is a positive development for the industry as a whole, the shortsightedness of various players threaten the security of cryptocurrencies for everyone. Read on to learn why. At …
Cryptosteel Cassette icons orangeSword Ltd

A Creative Company Is Motivated by the Desire to Achieve, Not by the Desire to Beat Others

Back when we were the only ones trying to produce a robust, user-friendly cold storage wallet (ages ago, in early 2014), our job was not easy, but our mission was simple: make the best product, adjust as we go, figure out how to reach our…
Cryptosteel technical drawingSword Ltd

Statement on Cryptosteel Open-Source Origins

Just as bitcoin is an open-source concept, the idea for Cryptosteel springs directly from open-source philosophy. It was our vision to make our design available to everyone, and it was our hope our product would inspire innovation in all…