Can Facebook's Libra convince users?

The key to getting the consumers and merchants to use the digital currency will be incentives

Facebook Inc has big plans to remake the financial system with its cryptocurrency-based payments network. First, it has to get people to use it.

The social-media giant’s plan for Libra — the digital currency it is launching with a few dozen partners including Visa Inc, MastercardInc, PayPal Holdings Inc and Uber Technologies Inc — is the most ambitious yet to get consumers comfortable with the technology that underpins bitcoin. Facebook’s ultimate goal is for consumers to use Libra to pay their bills, buy things and send money to family members abroad, among other everyday financial transactions.

Facebook has