[Aug 11 11:45 AM] Bitcoin Magazine Nostr Wallet Connect is the USB-C Connector of Bitcoin Wallets Open Protocols Drive Innovation NWC — Nostr Wallet Connect — has an impressive technological lineage. Digital and physical connectors such as cables we use, or internet…
[Aug 8 5:43 PM] Bitcoin Magazine Know-Your-Customer: The Quiet Kill Switch The know-your-customer (KYC) threat isn’t coming. It’s already here, and it didn’t arrive through a nationwide ban or an emergency executive order. It quietly showed up with a checkbox and
[Jul 24 6:02 PM] Bitcoin Magazine What Does Scaling Bitcoin Mean? What Are We Scaling? Bitcoin has a scaling problem. It was designed to facilitate payments not dependent on trusted third parties, and in order to accomplish this the system needs to be…
[Jul 21 3:10 PM] Bitcoin Magazine The Quantum Bitcoin Summit: A Grounded Look At The Issues I won’t pretend to deeply understand quantum physics, or quantum computing specifically, I don’t, but I grasp enough to know that the theory underlying it is sound. …
[Jul 16 6:55 PM] Bitcoin Magazine The Cost Of Self Custody: TANSTAAFL Last week I touched on the nuances and complexities of “Trustodial” systems, systems that can’t be fully categorized as non-custodial or custodial, and how this causes issues when it relates to…
[Jul 14 3:48 PM] Bitcoin Magazine The Blockspace Market: A Darwinian Forge Bitcoin is a decentralized and censorship resistant network built around independent participants maintaining and verifying their own copy of the database storing its historical transaction…
[Jul 10 2:00 PM] Bitcoin Magazine Bitcoin Layer 2: Sidechains The original concept of a Bitcoin sidechain was proposed by Adam Back, Matt Corallo, Luke Dashjr, Mark Friedenbach, Gregory Maxwell, Andrew Miller, Andrew Poelstra, Jorge Timón, and Pieter Wuille, who…
[Jul 7 8:10 PM] Bitcoin Magazine Trustodial: An Ontological Dilemma A lot of criticism has been circulating after the recent announcement that Wallet of Satoshi will be returning to the United States shortly thanks to the integration of Lightspark’s recent “Spark”
[Jul 3 3:14 PM] Bitcoin Magazine The Scroll: A Brief History of Wallet Clustering Our previous post in this series introduced the basic idea behind wallet or address clustering, the trivial case of address reuse, and the merging of clusters based on the common…
[Jun 24 12:31 PM] Bitcoin Magazine The Spiral Scroll: Wallet Clustering Basics The Bitcoin transaction graph has various observable patterns, with wallet clustering of highest importance. Some of these patterns have been studied and used to link coins from the same…
[Jun 20 7:32 PM] Bitcoin Magazine A Seed Phrase Isn’t Self Custody, It’s A Liability. For as long as bitcoin has existed, self-custody–the ability to transact with and hold your own wealth without the need for a third party intermediary like a bank or other…
[Jun 20 6:49 PM] Bitcoin Magazine What Happens to Bitcoin When Quantum Computers Arrive? Recent announcements in quantum computing have brought renewed attention to the question of how these advances could impact Bitcoin. In a newly published report, we provide an…
[Jun 13 9:14 PM] Bitcoin Magazine Bitcoin Layer 2: Statechains Statechains are an original second layer protocol originally developed by Ruben Somsen in 2018, depending on the eltoo (or LN Symmetry) proposal. In 2021 a variation of the original proposal, Mercury…
[Jun 10 8:33 PM] Bitcoin Magazine Economic Bitcoin Nodes: Why You Need To Use Your Node For It To Matter What is an economic node? To understand that, you need to first conceptually understand how a user interacts with the Bitcoin network in the first place. …
[Jun 6 2:00 PM] Bitcoin Magazine Bitcoin Layer 2: Ark Ark is a novel off-chain transaction batching mechanism originally proposed by Burak, a young Turkish developer. There are currently two implementations being built, one by Ark Labs, and the other by Second…
[Jun 4 7:13 PM] Bitcoin Magazine Bitcoin Layer 2: The Key To Scaling Bitcoin Bitcoin, and for that matter all blockchains, do not scale. It is a fundamental limitation of blockchain based systems that they are incapable of facilitating transactional use at a truly…
[May 27 4:28 PM] Bitcoin Magazine The Bitcoin Mempool: Private Mempools In the last Mempool article, I went through the dynamics of transaction propagation when different nodes on the network are running different mempool relay policies. In this piece I’ll be…
[May 23 2:36 PM] Bitcoin Magazine The Bitcoin Mempool: Relay Network Dynamics In the last Mempool article, I went over the different kinds of relay policy filters, why they exist, and the incentives that ultimately decide how effective each class of filter is at…
[May 21 9:24 PM] Bitcoin Magazine Not ECDSA. Not Schnorr. Meet DahLIAS. Aggregate signatures aren’t new. They’ve been around since the early 2000s. But building one that actually works in Bitcoin’s security model, with Bitcoin’s elliptic curve, has…
[May 13 2:00 PM] Bitcoin Magazine OP_RETURN Limits: Bitcoin’s Battle Over Arbitrary Data An OP_RETURN debate flared up in the Bitcoin industry in recent weeks and has by now invaded most conversation spaces within the industry. The topic is rich and complex, and…
[May 13 1:35 PM] Bitcoin Magazine The Bitcoin Mempool: Why We Have Filters In my prior article on the mempool, I laid out a simple conceptual framework to reason about the basic functionality of the mempool, and how it was used by different kinds of users of the…
[May 6 7:29 PM] Bitcoin Magazine The Bitcoin Mempool: What Is It For? Everyone who has used bitcoin has made use of the mempool, or a mempool. So what is the mempool? Well technically, there is no such thing as “the” mempool. Every individual full Bitcoin node…
[May 2 10:39 PM] Bitcoin Magazine Bitcoin Core Developer Sjors Provoost: Bitcoin Core The Project While at the MIT Bitcoin Expo last month I was able to sit down with Bitcoin Core developer Sjors Provoost. Sjors is a physicist turned Bitcoin developer, which…
[May 2 7:14 PM] Bitcoin Magazine Bitcoin Covenants: OP_CAT (BIP 347) This is the fifth article in a series deep diving into individual covenant proposals that have reached a point of maturity meriting an in-depth breakdown. OP_CAT, put forward for reactivation in…
[Apr 30 8:48 PM] Bitcoin Magazine Bitcoin Covenants: OP_VAULT (BIP 345) This is the fourth article in a series deep diving into individual covenant proposals that have reached a point of maturity meriting an in-depth breakdown. OP_VAULT, put forward by James…
[Apr 25 6:36 PM] Bitcoin Magazine SLICE: Making PPLNS Work for Demand Response Bitcoin mining has come a long way since the days of GPUs and basement set ups. In that time, miners have advanced in countless ways. For example, ASICs are now the standard, not GPUs…
[Apr 24 7:20 PM] Bitcoin Magazine Jameson Lopp: Bitcoin Is Not A Finished Project In the beginning of April at the MIT Bitcoin Expo I was able to sit down with Jameson Lopp to discuss the current state of and future of Bitcoin. Jameson co-founded Casa, a…
[Apr 23 4:57 PM] Bitcoin Magazine secp256k1lab: An INSECURE Python Library That Makes Bitcoin Safer Until now, every Bitcoin Improvement Proposal (BIP) that needed cryptographic primitives had to reinvent the wheel. Each one came bundled with its own custom Python…
[Apr 18 6:50 PM] Bitcoin Magazine Bitcoin Core Developer Antoine Poinsot: The Great Consensus Cleanup While attending the MIT Bitcoin Expo earlier this month I was able to sit down with Bitcoin Core developer Antoine Poinsot. Currently at Chaincode Labs, Antoine…
[Apr 18 5:45 PM] Bitcoin Magazine Bitcoin Covenants: TXHASH And CHECKTXHASHVERIFY(BIP 346) This is the third article in a series deep diving into individual covenant proposals that have reached a point of maturity meriting an in-depth breakdown. TXHASH and…
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