Coldcard Wallet Vulnerability: Who Is Affected and Who Should Not Panic?
Some COLDCARD seeds may have been created with weak randomness. Learn who is affected, who is less exposed, and why not all cold wallets…
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Notes, analysis, and perspectives.
Bitcoin Full Node vs Miner: Who Checks the Rules?
Learn the difference between a Bitcoin full node and miner, who checks the rules, and why validation matters for your Bitcoin setup.
Hot Wallet vs. Cold Wallet: What is the difference?
In Short Summary: A hot wallet is a wallet that is connected to the internet and actively sending and receiving transactions with bitcoin and…
What is a self-custody wallet?
TL;DR – A self custody wallet is a wallet in cryptocurrency or Bitcoin that only a single individual has ownership over and no one…
Bitcoin’s Quantum Threat: What It Is, What Could Fix It, and Why Bitcoiners Are Pushing Back
Bitcoin does not have a quantum emergency today, but it does need a serious plan to stop future quantum computers from compromising exposed wallets.
What are the best private key storage methods?
TL;DR – The best way to store private keys is to do so in a non-digital format.The sturdier the method of storage, the better.…
Bitcoin vs Ethereum: What Are Their Networks Built to Do?
Bitcoin is a specialized monetary network. Ethereum is a programmable network for applications and assets. Compare their network effects, technology, uses and price peaks.
What Is a Rug Pull in Crypto, and Can Bitcoin Be Rug Pulled?
Learn how crypto rug pulls work, why Enron resembles a pre-crypto soft rug pull, and why native Bitcoin lacks the control points needed for…
What Is the Lightning Network? Bitcoin Payments Explained
The Lightning Network lets people make fast Bitcoin payments through payment channels, while Bitcoin's blockchain remains the final settlement layer.
What Is RGB? How Stablecoins and Tokens Can Use Bitcoin
Learn how RGB uses Bitcoin commitments and client-side validation to support stablecoins and tokens without storing a public token ledger on-chain.