Today’s Solutions: July 19, 2025

To understand the transformation that’s being brought about by blockchain technology, it’s useful to start with its largest implementation to date: bitcoin. In the fall of 2014 my colleague Catherine Tucker and I conducted a large-scale experiment at MIT, in which 4,494 undergraduate students were offered access to bitcoin. The vast majority of students ended up hoarding the cryptocurrency, in the expectation that it would increase in value. Initially distributed to the students at $350

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