Hot wallets, cold wallets, hardware wallets, custodial wallets, lightning wallets, holy crap! What does all of this mean and how do they relate to your keys and your bitcoin? That is what we are covering in today’s episode, Bitcoin Basics episode 4, all about wallets and transactions. Here is a reference to all of the…

Nostr, OP_VAULT, decentralized media, privacy, the incredible progress of the past few years, the challenges of making Bitcoin hardware, why bear markets are the best time in Bitcoin, and of course, the new Coldcard Q1. NVK and I catch up on everything happening in the Bitcoin space and what has us excited to build to…

“Here is a little story of how I built a #Bitcoin Lightning payments app used by more than 10,000 users at the time running on two Raspberry Pi’s from my bedroom… My conclusion: The banks are so f**kd” – CalleBTC Check out the original thread for more projects Callebtc is involved in, and follow Calle…

Not your keys, not your coins. What does this mean? Your Bitcoin keys are literally the keys to the kingdom. They are everything, they are the sole arbiter of ownership of the bitcoins behind them if you have your keys, and they are the impenetrable fortress for the bitcoins behind keys you do not have. They…

“If Fedipools prove to be viable we could find ourselves in a world where bitcoin mining pool centralization risk is significantly reduced and the worries that many have today cease to exist. By creating a federation of different miners who act as guardians of a mint dedicated to producing blocks and distributing rewards you create…

“This is the end of Lightning as a niche technology and the beginning of Lightning as a (ubiquitous) Service. In a few years, Lightning functionality will be so universal that nobody will even notice it any more, and it will be so useful that nobody will want to live without it. Like phones. Like shoes. Like…

“Furthermore, when Bitcoiners develop privacy and scaling technology for Bitcoin, we make it substantially more challenging for anti-coiners to make the case that a war on Bitcoin is winnable. When more of us demonstrate the unmatched power of Lightning Network payments in small nations, influential legislators and bankers in the U.S. take note and are…

One thing to make abundantly clear: Nostr is a protocol. It’s a set of rules that servers and clients use to communicate (just like Bitcoin, email or Bittorrent). Nostr is not an app nor a “platform” (like Twitter, Facebook, etc.), but many applications can be built on top of Nostr. In the words of Edward Snowden, “If a platform is…

In order to truly understand why Bitcoin works, we must understand a fundamental tool that operates at basically every level of the system. The hash function. And using the hash function, we can build one of the most important elements of the game theory that keeps the system honest, Proof of work. This is the second…