Using the technology behind Bitcoin, participants in the Brooklyn Microgrid are buying and selling locally generated renewable energy over a peer-to-peer network.
A project from the Bill & Melinda Gates Foundation aims to use distributed ledger technology to help the two billion people worldwide who lack bank accounts.
A member of the Federal Reserve and a researcher say there are a lot of problems to solve before digital currency will ever disrupt the global financial system.
An expert who is studying Bitcoin and blockchain technologies says those looking to commercialize them need to be aware of potentially dangerous technical issues.
According to one prominent economist, cryptocurrencies could make financial systems safer and more accessible to all.
Blockchains are being used to trace blood diamonds, verify health records, and secure supply chains.