KEY POINTS
  • "We are sponsors of this, in part, because crypto and blockchain in particular have great promise," says eBay chief Devin Wenig.
  • "Will Libra work? I think it is speculative," says Wenig. "We all know that. But it is promising, and it's worth a try."
  • Last month, Facebook announced an effort to create Libra and launch it in early 2020. A nonprofit association, not Facebook, will run it.

EBay CEO Devin Wenig told CNBC on Thursday that the online marketplace's backing of the proposed Libra digital coin is a risky move, but the potential payoff is well worth it.

"Will Libra work? I think it is speculative," Wenig said on "Squawk on the Street." "We all know that. But it is promising, and it's worth a try."