

But he knew enough to be alarmed: A user had bought up certain tokens at drastically deflated values, which shouldn’t have been possible. “If you didn’t know what you were looking at, you might say, ‘Nice-looking trade,’ ” Day says. The colleague had sent over a screenshot showing a recent trade, followed by a question mark. The text was from a colleague who worked with him on Indexed Finance, a cryptocurrency platform that creates tokens representing baskets of other tokens-like an index fund, but on the blockchain. 14, in a house near Leeds, England, Laurence Day was sitting down to a dinner of fish and chips on his couch when his phone buzzed.
