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A cryptography expert on how Web3 started, and how it’s going

The term Web3 was originally coined by Etherium cofounder Gavin Wood as a secure, decentralized, peer-to-peer version of the Internet. The idea was to build an Internet based on blockchain technology and a peer-to-peer network, without the need for large data centers or third-party providers. These days, however, blockchain is most famous as the tool enabling cryptocurrencies. Most recently, the Trump administration has taken on a pro-cryptocurrency stance, boosting blockchain’s popularity and m

The Dying Dream of a Decentralized Web

The term Web3 was originally coined by Etherium cofounder Gavin Wood as a secure, decentralized, peer-to-peer version of the Internet. The idea was to build an Internet based on blockchain technology and a peer-to-peer network, without the need for large data centers or third-party providers. These days, however, blockchain is most famous as the tool enabling cryptocurrencies. Most recently, the Trump administration has taken on a pro-cryptocurrency stance, boosting blockchain’s popularity and m

The New Math of Quantum Cryptography

The original version of this story appeared in Quanta Magazine. Hard problems are usually not a welcome sight. But cryptographers love them. That’s because certain hard math problems underpin the security of modern encryption. Any clever trick for solving them will doom most forms of cryptography. Several years ago, researchers found a radically new approach to encryption that lacks this potential weak spot. The approach exploits the peculiar features of quantum physics. But unlike earlier qua

Quantum Scientists Have Built a New Math of Cryptography

Hard problems are usually not a welcome sight. But cryptographers love them. That’s because certain hard math problems underpin the security of modern encryption. Any clever trick for solving them will doom most forms of cryptography. Several years ago, researchers found a radically new approach to encryption that lacks this potential weak spot. The approach exploits the peculiar features of quantum physics. But unlike earlier quantum encryption schemes, which only work for a few special tasks,