This is the second in a series of posts on blockchains. The first post explained what a blockchain actually is. This post focuses on the advantages and disadvantages of blockchain technology.Continue reading “What are blockchains good for?”
This is the first in a series of posts on blockchains. This post focuses on precisely what a “blockchain” actually is.Continue reading “What is a blockchain?”
People in the blockchain space often talk about censorship and censorship resistance. It is often claimed that censorship resistance is one of the key properties that decentralized, blockchain systems can provide at a level not possible with previous technologies. But exactly what is censorship resistance?
Use blockchain tech to solve practical Byzantine problems
How might we use a blockchain to solve a real-world Byzantine agreement problem?
Are we fighting terrorism and money laundering deaf and blind, stifling innovation, and violating rights?
Governments around the world are deliberately making it as difficult as possible to use cash. At the same time, financial institutions are cooperating to refuse service to customers for shocking reasons, for example, that corrupt regimes have designated them “terrorists” just because they oppose that regime.
My solar power system has now been fully operational for one month. My electric bill is about $330 less than it would have been without the system.
Today, a company I advise, Chronicled, got some good press. But then something happened that really bothered me.
Recently, I posted a tweet, “The war on cash means you can buy a coffee if, and only if, an FI can make a profit on it.” The tweet was prompted by another tweet from a coffee shop that only accepts credit cards.
Lately, I’ve been thinking a lot about Byzantine agreement protocols. The Byzantine generals is a famously unsolvable problem in computer science. Except now we have ways to solve it, and that might mean we need to rethink some things.