The most recent conversation between Elon Musk and Ethereum co-founder Vitalik Buterin seems to have shifted from trolling to legitimate discussion. Earlier this morning, the Tesla founder mysteriously tweeted “Ethereum.” Seven minutes later, he took it back with a cheeky “jk” (‘just kidding.’) Musk continued to poke fun, even after Buterin invited him to attend an Ethereum developer’s conference. Now, Musk actually asked Buterin a serious question: what’s Ethereum good for? What should be developed on Ethereum? — Elon Musk (@elonmusk) April 30, 2019 “A globally accessible financial system, including payments, store of value, also more advanced stuff like insurance,” said…

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