Non-fungible tokens, or NFTs, have exploded onto the digital art scene this past year. Proponents say they are a way to make digital assets scarce, and therefore more valuable. WSJ explains how they work, and why skeptics question whether they’re built to last. Photo Illustration: Jacob Reynolds/WSJ These Cryptocurrencies Make Owning Memes Possible WSJ Glossary Markets and economics are complex. It’s easy to be overwhelmed by a sea of wonky indicators and lose track of why they […]

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