Mr Marcus was told Facebook “doesn’t deserve our trust” and “should be treated like the profit-seeking corporation that it is”.
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On British shores, similar concerns have emerged, voiced by Damian Collins, chairman of the Digital, Culture, Media and Sport Committee.
“To me, (Libra) suggests that Facebook’s almost trying to turn itself into its own country,” he told Financial News.
“It’s a global organisation that doesn’t have physical boundaries but basically has a global community who are solely under the oversight of Mark Zuckerberg.
“If we’re going to have this payment system created by Facebook that exists within a Facebook walled garden, which no-one really has access to or can question, then our concern has got to be that this system is going to be open to massive fraud.”
Facebook has defended the cryptocurrency, saying it will not have special rights or privileges, and is willing to hold back from launching the service until it has satisfied the concerns of regulators around the world.
David Marcus, head of Calibra at Facebook, testifies about Facebook's proposed digital currency called Libra, during a Senate Banking, House and Urban Affairs Committee hearing in Washington, DC, 16 July, 2019 (AFP/Getty Images)
Mr Marcus said the social network also understands “loud and clear” that people do not want financial details connected to their social media data.
However, Bank of England Governor Mark Carney has cautiously welcomed the cryptocurrency, saying the Bank “approaches Libra with an open mind but not an open door”.
Facebook has not set a date for launching Libra but said it will continue to seek feedback from lawmakers and regulators before launching it.
Additional reporting from agencies
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