Food fraud costs billions globally. But blockchain and machine learning offer hope for a more transparent and safer food system.

There are many uses for digital systems that are not centrally controlled and that allow large numbers of people to participate securely, even if they don’t all know and trust each other.

Here are the trends on the cusp of transforming the online world.

Ethereum, one of the world’s largest blockchains and host of decentralized finance, NFTs and billions of dollars’ worth of cryptocurrency, is poised to dramatically reduce its energy consumption.

Who makes money from the metaverse, and how, comes down to what it becomes. And shaping the metaverse is, to a large degree, a matter of definitions.

The value of digital art or other digital objects depends on how much someone is willing to pay for it.

NFTs are hailed as the foundation of the metaverse economy because they allow you to purchase unique digital assets, from art to real estate. But legally, you might not own what you think you do.

Proof of Work mining is inherently wasteful, but don’t expect a switch any time soon.

Proof of Work mining is inherently wasteful, but don’t expect a switch any time soon.