Blockchain

Cryptocurrencies are a digital system of money created through the use of encryption software — and they all rely on the blockchain, essentially a public ledger that stores every transaction. Digitally created and secured money is currently in a period of very cool experimentation, including astounding revenue growth and a variety of different visions of what currency of the future might look like. Here’s everything you need to know about how it works, why it’s popular, and where cryptocurrency is heading.

Recent Stories
Mobile

What’s the point of a blockchain phone? We asked an expert

If you’re curious about what a blockchain phone might be, then we have some answers for you. Join us as we ask an expert to unravel the mysteries of the blockchain and how it fits with a smartphone.
Wearables

Hublot’s newest luxury watch costs $25,000, and you can only pay in Bitcoin

The Hublot Big Bang Meca-10 P2P is the latest luxury timepiece from the watch brand, and is a special limited edition made to commemorate the 10th anniversary of Bitcoin. Eager buyers must use the cryptocurrency to buy one.
Opinion

As Amazon turns up the volume on streaming, Spotify should shudder

Multiple players are all looking to capitalize on the popularity of streaming, but it has thus far proved nearly impossible to make a profit. Could major tech companies like Amazon be primed for a streaming take-over?
Emerging Tech

Bitcoin turns 10 today. Here’s how it went from play money to global phenomenon

From its birth one decade ago, Bitcoin sure has come a long way. How did it get to this point? Check out our handy potted history of the world's favorite cryptocurrency to find out.
Emerging Tech

If we want to slow down climate change, we should change how we mine Bitcoin

Bitcoin mining isn't good for climate change. According to an alarming new study, Bitcoin could produce enough emissions to raise global temperatures by 2 degrees Celsius as soon as 2033.
Mobile

HTC's cryptocurrency smartphone, the Exodus, is now up for pre-order

HTC has another smartphone on the horizon, and this time it's geared toward blockchain technology. Known as the HTC Exodus, the smartphone is designed to support cryptocurrencies and decentralization. Here's everything we know.
Computing

Ripple cryptocurrency jumps 70 percent in 24 hours after news of bank deal

The Ripple cryptocurrency has seen its value reach the highest point since late 2017 after a tease from a Ripple Labs regulator suggested it could soon be adopted by banks for international money transfers.
Computing

Afraid that Bitcoin could be a bubble? Here's how to sell what you've got

If you're investing in cryptocurrencies, it's important to have your exit strategy in place if prices start to crash. If you've decided it's time to get out or just want to learn how to sell Bitcoins, here's how to get started.
Computing

You can't have Bitcoin without mining. Confused? Here's how it all works

Cryptocurrencies are not the easiest of topics to get your head around, but one of the most confusing aspects is "mining." What is Bitcoin mining? It's a big part of what helps the cryptocurrency work as intended.
Computing

It's not all free money. What to know before you try to mine Bitcoin

Mining Bitcoin today is harder than it used to be, but if you have enough time, money and cheap electricity, you can still turn a profit. Here's how to get started mining Bitcoin at home and in the cloud.
Emerging Tech

Giant wind farm in Morocco will help mine cryptocurrency, conserve energy

One of the windiest parts of Morocco is set to get a $2 billion wind farm power plant, which could help power eco-friendly cryptocurrency mining in a more environmentally friendly way.
Emerging Tech

Crazy vending machine swaps computer art for your permanent selfie

Coder artist Matthias Dörfelt's camera-equipped vending machine swaps unique prints of computer-generated faces for the rights to upload your selfie onto the main Ethereum blockchain.
Computing

A vigilante botnet is taking out crypto-jacking malware

A new botnet is on the rise but it isn't being used to take down websites or hack servers, it's going after crypto-jacking malware. When it discovers the malware on a website, it takes it over before destroying them both.
Computing

Those $1 Bitcoins at Walmart have one big catch — they’re made of chocolate

Walmart is now selling Bitcoin, but not as you know it. The physical coins come in a netted bag and have a metallic coating which can be peeled away to discover delicious chocolate inside.
Computing

Cat got your wallet? CryptoKitties virtual feline fetches $170K in crypto cash

CryptoKitties may have earned itself records for the most expensive CryptoKitty sold and the most expensive in-app purchase. Dragon, a CryptoKitty, fetched the equivalent of $170,000 in the blockchain-based currency ETH.
Computing

Crypto-intrigued? Here's how to buy Bitcoin for the first time

Is it time to purchase your first Bitcoin investment? If you're ready to get involved in the cryptocurrency, we'll walk you through how to pick an exchange, how to choose the right wallet, and how to buy Bitcoin the safe way!
Computing

The browser-based Monero miner Coinhive generates around $250,000 each month

Despite a fall in cryptocurrency mining, the Coinhive Monero miner is still highly active, generating around $250,000 each month. Coinhive also contributes 1.18 percent of the total mining power behind the Monero blockchain.
Computing

Researchers hack John McAfee’s ‘unhackable’ Bitfi cryptocurrency wallet

Researchers have successfully hacked John McAfee's Bitfi cryptocurrency wallet. Researchers show that the device can be hacked, as they have gained access to the device's private keys and passphrase despite McAfee's security promotion.