LATE IN THE day on September 14 and into the early hours of the following morning, Vitalik Buterin and a few dozen crypto developers crowded into an office space in Berlin to flip the switch on the Merge.
There wasn’t a literal switch to flip: Buterin, the 28-year-old Ethereum cofounder who has been active in cryptocurrency since his teens, had long ago envisioned a system that would basically run itself. The crypto research and developer community would agree on what a change looks like, coders would type out a command and time-stamp it, developers on the client side would
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