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Articles on Blockchain

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Is your social media group a budding democracy or someone’s fiefdom? John Trumbull's painting, Declaration of Independence, plus emoticons

Why the future of democracy could depend on your group chats

Americans associate with each other more online than off these days. How people interact in digital communities could have a big impact on democracy.
A halfpenny token issued by the Parys Mining Company of Anglesey in 1788. The hooded druid design was used for many years and was the first of hundreds of token designs. BrandonBigheart/Wikimedia

Welsh mining towns had alternative currencies 200 years ago – here’s what the crypto world could learn from them

A Welsh mining company was the first to issue tokens to workers as an alternative form of payment.
EU consumers are familiar making payments with traditional coins and bills, but soon they could be joined by an ‘e-euro". Christian Dubovan/Unsplash

Meet the EU’s answer to crypto: the e-euro

Central banks are now taking digital currencies seriously, and the EU is exploring the idea. While an “e-euro” could increase monetary security and stability, the venture is not without risks.
The cryptocurrency exchange FTX fell from a multibillion-dollar company to bankruptcy in less than a week. NurPhoto via Getty Images

Dramatic collapse of the cryptocurrency exchange FTX contains lessons for investors but won’t affect most people

Even though some traditional financial firms parked millions in the bankrupt company – once valued at $30 billion – the impact of FTX’s spectacular crash is limited to crypto investors
Blockchain transactions are carried in blocks. The amount of energy it takes to add a new block varies widely depending on how it’s done. Yuichiro Chino/Moment via Getty Images

What is proof-of-stake? A computer scientist explains a new way to make cryptocurrencies, NFTs and metaverse transactions

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.

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