The bitcoin-only hardware wallet Coldcard has released a beta firmware patch for a vulnerability that also affected a competitor hardware wallet earlier this year. Ben Ma, a security researcher who ...

Welcome to the wonderful world of self custody, this is where the laws of man and the laws of math collide in a battle over your cryptographically-secured wealth. For whatever reason you found ...

Make sure you go through the other piece “Using Bitcoin Hardware Wallets” first. I will skim through some steps and focus mostly on what is specific to ColdCard here. This guide will be appropriate ...

Spending Policies allow users to set custom rules for outgoing Bitcoin transactions. Options include per-transaction limits (how much Bitcoin), velocity limits (how often), address whitelist (limits ...

As the world of cryptocurrency continues to evolve, it’s important for investors to stay ahead of the game and ensure the security of their digital assets. One of the most important aspects of ...

A hardware wallet may just be the safest way to store cryptocurrency for average users. Nowadays, many different devices are trying to tackle the challenges of secure crypto asset storage. In this ...