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
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

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.
Mobile

Police bust a massive interstate SIM card hijacking ring

Law enforcement agents in Flordia and several other states have worked together to break up an interstate cybercrime ring that used hijacked SIM cards to steal cryptocurrencies and cash from victims.
Computing

Hacker plays ‘Doom’ on John McAfee’s ‘unhackable’ BitFi Bitcoin wallet

The BitFi hardware cryptocurrency wallet isn't as unhackable as John McAfee claims. A 15-year-old bedroom hacker has managed to get Doom running on the device, suggesting its days may soon be numbered.
Gaming

Valve bans Steam game that was installing cryptocurrency mining malware

A cheap Steam game called Abstractism appeared to be infecting users' computers with a program that mines cryptocurrency. Valve has since removed it from Steam and banned the developer.
Computing

Blockchain does way more than power Bitcoin. Here's how it works

What is a blockchain? It was once merely an academic idea and today it's the backbone of the cryptographic industry, helping to send billions of dollars worth of digital assets all over the world.
Computing

Google bets on blockchain technology with two new Google Cloud partnerships

Google will support distributed ledger technology, aka blockchain, on the Google Cloud Platform. The reveal arrives by way of the company’s announcement regarding the Google Cloud Next ’18 conference in San Francisco.
Photography

Photo FOMO: Fujifilm ramen, KodakCoin DOA, and Nikon’s secret sensor lab

In the latest photo industry news, Fujifilm released a limited-run of Provia-branded instant noodles, Kodak's Kashminer is DOA, and Imaging Resource looks inside the "super-secret" sensor lab at Nikon.
Computing

Congressman says we should be banned from mining, using cryptocurrency

Congressman Brad Sherman believes the government should prohibit U.S. citizens from mining and using cryptocurrency. As a medium of exchange, cryptocurrencies facilitate narcotics trafficking, terrorism, and tax evasion.
Computing

Ripple is a different kind of cryptocurrency. Here's how to buy it

Need to know how to buy Ripple? You've come to the right place. In this guide we'll walk you through the process step by step, as well as offer an alternative for those who want to get more hands-on with their trades.