Oliver Crane
Oliver Crane covers cryptocurrency markets and digital assets. He writes about Bitcoin, Ethereum, and the broader crypto ecosystem for UK investors and those new to digital finance.
What is a smart contract?
The phrase “smart contract” is one of those bits of crypto vocabulary that sounds harder than it is. It is…
What is Ethereum, and how is it different from Bitcoin?
Ethereum explained in the simplest terms is this: it is the world’s second-largest cryptocurrency network, but it was not built…
What Is Bitcoin? The Problem It Was Built to Solve
Bitcoin is the original cryptocurrency and still the biggest. Every other coin, every blockchain, every DeFi protocol exists in its…
What is fiat currency? (And no, it is not a car)
Every time the word fiat comes up in a cryptocurrency conversation, at least one person quietly thinks of a small…
What is a stablecoin?
A stablecoin is a cryptocurrency designed to hold a fixed value, almost always pegged to the US dollar. One token…
Layer 1 and Layer 2: what they are and why they exist
If you spend any time reading about cryptocurrency, you will quickly encounter the terms Layer 1 and Layer 2. They…
What is the difference between a coin and a token?
Open any crypto exchange and you will see thousands of tickers. Bitcoin and Ether sit near the top. Below them…
What is a blockchain?
A blockchain is a database. What makes it unusual is not what it stores, but how. The database is held…
What is cryptocurrency? What the word actually means
Walk into any coffee shop in Britain and order a flat white. You hand over a fiver, tap a card,…