Let's Rebuild the Broken Meat Industry—Without Animals

Let's Rebuild the Broken Meat Industry—Without Animals

In a full page ad in The New York Times, the CEO of Tyson Foods warned that the “food supply chain is breaking.” In response, the government has rushed in to save the industry, with President Donald Trump enacting the Defense Production Act to keep slaughterhouses running, deeming them critical infrastructure.

What's Blockchain Actually Good for, Anyway? For Now, Not Much

What's Blockchain Actually Good for, Anyway? For Now, Not Much

When Donna Kinville, the city clerk in South Burlington, Vermont, was approached by a startup that wanted to put the city’s land records on a blockchain, she was willing to listen.

Facebook Is Losing Its Cover for Libra As More Members Flee

Facebook Is Losing Its Cover for Libra As More Members Flee

Last week, PayPal became the first to defect from the 28-member Libra Association, declining to participate in Facebook’s vision for global payments—a vision it helped seed .

What Are Zero-Knowledge Proofs?

What Are Zero-Knowledge Proofs?

For example, zero-knowledge proofs can be used to validate cryptocurrency transactions managed on a blockchain and combat fraud without revealing data about which wallet a payment came from, where it was sent, or how much currency changed hands.

Wouldn’t It Be Great If People Could Vote on the Blockchain?

Wouldn’t It Be Great If People Could Vote on the Blockchain?

Mobile voting could indeed increase voter participation, but it’s plagued by security issues in search of a solution.But it depends on people, with all their flaws, and on connections to older, not totally secure technologies, like the internet.

Cashless Stores Alienate Customers in the Name of Efficiency

Cashless Stores Alienate Customers in the Name of Efficiency

There’s been growing support from both consumers and retailers to move away from cash in favor of digital payment options .It’s one thing for luxury brands to self-select their customers on the basis of price point, but it’s another for a retailer to deny access to a person trying to buy a pack of gum.

Where Do Supermassive Black Holes Come From?

Where Do Supermassive Black Holes Come From?

This speed limit can theoretically be exceeded if the matter is collapsing fast enough; the Basu and Das model suggests black holes were accreting matter at three times the Eddington rate for as long as the chain reaction was happening.

Gadget Lab Podcast: Facebook's Libra and the Future of Money

Gadget Lab Podcast: Facebook's Libra and the Future of Money

On this episode of Gadget Lab, WIRED writer Gregory Barber explains the intricacies of Facebook’s ambitious plan and how Libra is poised to rattle the future of crypto.

President Trump Is the Latest Critic of Facebook's Libra

President Trump Is the Latest Critic of Facebook's Libra

Gregory Barber covers cryptocurrency, blockchain, and artificial intelligence for WIRED.Late Thursday, President Donald Trump unleashed a three-tweet squall declaring himself “not a fan of Bitcoin and other Cryptocurrencies,” and referring to the use of “unregu­lated digital assets” for “drug trade and other illegal activities.” He included Libra in that category, saying the platform "will have little standing or dependability" and would fall prey to similar dependability issues.

The Cryptocurrency Rush Transforming Old Swiss Gold Mines

The Cryptocurrency Rush Transforming Old Swiss Gold Mines

For his series The Gold of Gondo , Cerasoli juxtaposes photographs of blockchain computing with images of abandoned gold mines, prompting viewers to wonder what, in a hundred years, will remain of Alpine Tech's bitcoin boom.

What Is Blockchain? The Complete WIRED Guide

What Is Blockchain? The Complete WIRED Guide

Big financial services companies, including JP Morgan and the Depository Trust & Clearing Corporation, are experimenting with blockchains and blockchain-like technologies to improve the efficiency of trading stocks and other assets.

'Mirror Worlds' Creator Wants to Displace Facebook—With Blockchain

'Mirror Worlds' Creator Wants to Displace Facebook—With Blockchain

For me, this is an opportunity to take some action on a public issue that I think is really important," says David Gelernter of his new blockchain venture.

Lawmakers Express Privacy Concerns About Facebook’s Libra

Lawmakers Express Privacy Concerns About Facebook’s Libra

Regulators in Europe are worried that Libra could become a systemic risk to the global financial system and rival central banks; a member of the US Congress called for Facebook to halt development until it answers questions about privacy; officials elsewhere have expressed fears that any cryptocurrency may help users evade global sanctions or launder money.

The Ambitious Plan Behind Facebook’s Cryptocurrency, Libra

The Ambitious Plan Behind Facebook’s Cryptocurrency, Libra

Mission: “a simple global currency and infrastructure that empowers billions of people.” It begins with a new cryptocurrency designed for payments ranging from micropayments to remittances without fees (“as easy to send money as an email”) as well as enabling more exotic “smart money” use cases like dynamic contracts, which could enable blockchain-based loans or insurance.

The Newest Haven for Cryptocurrency Companies? Wyoming

The Newest Haven for Cryptocurrency Companies? Wyoming

Jesse Powell, CEO of the cryptocurrency exchange Kraken, says his company, which has been dropped by US banks in the past, could use such a banking license to hold crypto assets.

Inside the Crypto World's Biggest Scandal

Inside the Crypto World's Biggest Scandal

Arthur hadn’t thought it was such a bad idea; the intention was to make the foundation more nimble and efficient, and the Breitmans’ major concern about Gevers was that his responsibilities at Monetas would leave little time for Tezos Foundation work.

Bitcoin's Climate Impact Is Global. The Cures Are Local.

Bitcoin's Climate Impact Is Global. The Cures Are Local.

In a paper published Wednesday in the journal Joule, his team takes a closer look at the energy consumption of bitcoin mining, based on where miners are located and the types of machines they are using.

This Case Could Change How the SEC Regulates Cryptocurrencies

This Case Could Change How the SEC Regulates Cryptocurrencies

Gregory Barber covers cryptocurrency, blockchain, and artificial intelligence for WIRED.On Tuesday, the SEC rang the bell for the first round of the fight, filing a civil complaint alleging that Kik’s ICO was an illegal sale of securities.

The Tricky Shenanigans Behind a Stealthy Apple Keychain Attack

The Tricky Shenanigans Behind a Stealthy Apple Keychain Attack

In early February, an 18-year-old German security researcher named Linus Henze demonstrated a macOS attack that would allow a malicious application to grab passwords from Apple's protected keychain.

Microsoft Wants to Protect Your Identity With Bitcoin

Microsoft Wants to Protect Your Identity With Bitcoin

Instead, Microsoft is tackling the challenges of making a truly decentralized solution for a large number of users. His group at Cornell is working on some problems, such as issuing credentials in a way that preserves privacy, and how people will take care of their security keys—the “Achilles heel” of any decentralized system, he says.

New to Blockchain: Turning In-Game Virtual Goods into Assets

New to Blockchain: Turning In-Game Virtual Goods into Assets

The company also invested last year in Dapper Labs, the makers of CryptoKitties, which CEO Roham Gharegozlou says is focused on building new experiences for your cat, like racing games, directly on Ethereum.

Facebook's Cryptocurrency Might Work Like Loyalty Points

Facebook's Cryptocurrency Might Work Like Loyalty Points

As the Journal notes, Facebook’s foray into blockchain could look a bit like a loyalty-points system—tokens that can be earned through and spent on Facebook services, or cashed out elsewhere though partner merchants.

A Mysterious Hacker Group Is On a Supply Chain Hijacking Spree

A Mysterious Hacker Group Is On a Supply Chain Hijacking Spree

By breaking into a developer's network and hiding malicious code within apps and software updates that users trust, supply chain hijackers can smuggle their malware onto hundreds of thousands—or millions—of computers in a single operation, without the slightest sign of foul play.

A 'Blockchain Bandit' Is Guessing Private Keys and Scoring Millions

A 'Blockchain Bandit' Is Guessing Private Keys and Scoring Millions

Ether Comb, Ether Go. Bednarek tried putting a dollar's worth of Ethereum into a weak key address that the thief had previously emptied.

What's the Value of a Facebook Cryptocoin?

What's the Value of a Facebook Cryptocoin?

With a centralized approach, Facebook could sidestep the sluggishness and high costs of decentralized blockchains, like Bitcoin, and keep an eye on nefarious uses of its coin.

A New Tool Protects Videos From Deepfakes and Tampering

A New Tool Protects Videos From Deepfakes and Tampering

With this approach it’s binary: Either the hash matches or it doesn’t, and it's all publicly verifiable." "We can show that there are ways to ensure that all parties have faith in the video and how it was captured." Josh Mitchell, Amber Security Consultant A tool like Amber has obvious appeal for human rights activists, free speech advocates, and law enforcement watchdogs wary of potential abuse coverups, but governments also have an interest in video integrity tools.

There's No Good Reason to Trust Blockchain Technology

There's No Good Reason to Trust Blockchain Technology

(By this, I mean systems that use the blockchain data structure but don’t have the above three elements.) In general, they have some external limitation on who can interact with the blockchain and its features.

The Sensible Math of Knocking Over Absurdly Large Dominoes

The Sensible Math of Knocking Over Absurdly Large Dominoes

Since multiplication can be tedious after a while, let's make a computer program to calculate the height of the 29th domino assuming the starting domino is 5 millimeters tall. Here is a similar program that calculates the height of dominoes needed to get one big enough to possibly crush a car.

Bitcoin Exposed Silicon Valley's Ultimate Aim: Making Money

Bitcoin Exposed Silicon Valley's Ultimate Aim: Making Money

(At the time, my reporting appeared in the business section of a national newspaper, but as should be obvious by now I didn’t have much of a knack for business or dystopian fantasy.) If you think companies like Facebook and Google are about manipulating the public to make money without concern about the damage done to society, then the bitcoin story should be your ur-text.

Here's How Much Money You Can Make by Selling Your Own Data

Here's How Much Money You Can Make by Selling Your Own Data

Tim Berners-­Lee, creator of the World Wide Web, is building a platform called Solid , which will allow users to control which services access their data; Ocean Protocol , a decentralized exchange where people sell their data directly to AI businesses, has attracted tens of millions in VC funding while still in development.