nhpr.org / PETER BIELLO / SEPTEMBER 8, 2015
When you buy or sell a home, at some point in the process, you’ve got to check the property against a central database, usually at the town clerk’s office. And when you buy or sell something with the digital currency bitcoin, that bitcoin has to be registered somewhere so it can’t be spent twice. That registry, which functions kind of like a digital town clerk’s office, is called the block chain. Right now the state of Vermont is paving the way for entrepreneurs and governments to use the block chain for other purposes. David Brooks, a reporter at The Concord Monitor and writer at Granite Geek.org, recently spoke about block chain with NHPR’s Peter Biello.