Visa’s proposed serialization of the digital dollar will further intensify the debate over privacy issues raised by central bank digital currencies, says Seccurency's Patrick Campos.

Facebook Inc. has renamed its blockchain division, called Calibra, to distance it from the Libra digital currency that Facebook created. The blockchain team is building a digital wallet for Facebook’s apps, which will eventually hold the Libra digital currency, but Facebook won’t control the coin.

As the idea of central bank digital currencies starts to gain traction, the U.S. in particular needs to pay attention or risk losing a major aspect of its geopolitical power, according to JPMorgan Chase & Co.

A transparent, decentralized ledger will speed up payments while mitigating the inevitable next round of federal mismanagement, says Polyient Labs' Jeff Hinkle.

Getting rid of passwords is easier in concept than practice, with hundreds of initiatives designed to build something more digital, flexible and transportable. But none have taken hold, causing one developer to try an approach that rejects most of the prevailing methods.

This is the third halving, with each halving making a subtler economic impact than the last, says the University of Pittsburgh's Chris Wilmer.

The U.S. Patent office published a Visa patent application to create a technology gateway that could allow central bank currencies for any nation to be digitized.