Are layer 2s good for Ethereum, or are they ‘extractive?’

Layer 2s have been a great blockchain success story. They’ve reduced congestion on the Ethereum mainnet, driving down gas fees while preserving security. But maybe they’ve become too successful, drawing chain activity and fee income from the parent that spawned them? At least that’s what some are suggesting lately, most recently at Cornell Tech’s blockchain…

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Opening iOS is good news for smartwatches

Look at every smartwatch buying guide on the internet. I guarantee they’re either divided into separate guides for iOS and Android, like The Verge’s, or include categories like “Best for iPhone owners” or “Best for Android.” (Also, like The Verge’s fitness tracker guide.) It wasn’t always this way. Five years ago, you could buy a…

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