Jeff Coleman

The non-pretenders pact: tackling white lies of omission about prejudice

While I was sitting here watching Get Out, I came to a realization. We need more integrity around prejudice. We need to stop just playing the contest of pretending we have it all together on the topic, or are at least further ahead than some other reference person, and just be honest about what tackling prejudice is really like. I'm a young to middle aged white guy who has never personally suffered from poverty. I ...

prejudice

Jeff Coleman

How to Soft Fork any Feature into Bitcoin

I was recently having a conversation with someone about the new segregated witness work (terrible name!) in Bitcoin and I realised that most people aren't aware of a simple and interesting fact: any possible feature upgrade to Bitcoin could be done as a "soft fork". So it's explanation time! First, let's remind ourselves of the difference between "soft" and "hard" forks. A "hard" fork is a change in the bitcoin software protocol which will cause ...

soft fork bitcoin

Jeff Coleman

State Channels

This post is the second in a series which aims to clarify uncommon terms that I use. Like those that follow, this term has proven useful in my own understanding of blockchains and blockchain-related technologies. I hope that by clearly explaining it here, the term can become useful for others as well. State channels are a very broad and simple way to think about blockchain interactions which could occur on the blockchain, but instead get ...

terminology blockchain

Jeff Coleman

Tick Chains

This post is the first in a series which aims to clarify uncommon terms that I use. Like those that follow, this term has proven useful in my own understanding of blockchains and blockchain-related technologies. I hope that by clearly explaining it here, the term can become useful for others as well. Tick chains are a way of thinking about something that every blockchain does. The first part of the phrase, the tick, refers to ...

terminology blockchain