How do Bitcoin Transactions Work?

Simple version: If I want to send some of my bitcoin to you, I publish my intention and the nodes scan the entire bitcoin network to validate that I 1) have the bitcoin that I want to...

How Bitcoin Mining Works

When you hear about bitcoin "mining" you envisage coins being dug out of the ground. But bitcoinisn't physical, so why do we call it mining? Because it's similar to gold mining in that the bitcoins exist in...

What is a Distributed Ledger?

Ledgers, the foundation of accounting, are as ancient as writing and money. Their medium has been clay, wooden tally sticks (that were a fire hazard), stone, papyrus and paper. Once computers became normalized in the...

How to Sell Bitcoin

These days virtually all the methods available to buy bitcoin also offer the option to sell. The exception is bitcoin ATMs - some do allow you to exchange bitcoin for cash, but not all. Coinatmradar will guide you to bitcoin ATMs...

How Does Blockchain Technology Work?

As stated in our guide "What is Blockchain Technology?", there are three principal technologies that combine to create a blockchain. None of them are new. Rather, it is their orchestration and application that is new. These...

What is Blockchain Technology?

"The practical consequence for the first time, a way for one Internet user to transfer a unique piece of digital property to another Internet user, such that the transfer is guaranteed to be...

Ethereum Do Smart Contracts Work?

Like many ideas in the blockchain industry, a general confusion shrouds so called 'smart contracts'. A new technology made possible by public blockchains, smart contracts are difficult to understand because the term partly confuses the...

What is Ethereum?

Before you can understand ethereum, it helps to first understand the internet. Today, our personal data, passwords and financial information are all largely stored on other people's computers - in clouds and servers owned by...

What Can a Blockchain Do?

Financial institutions have financed the disruption of countless industries over the last 30 years; they have an idea of what a revolutionary technology can do to static incumbents. So, to stay ahead of change, banks...

Why Use a Blockchain?

As the implications of the invention of have become understood, a certain hype has sprung up around blockchain technology. This is, perhaps, because it is so easy to imagine high-level use cases. But, the technology...