PANews reported on January 31 that according to CoinDesk, Swiss banking giant UBS has completed the proof of concept of its "UBS Key4 Gold" gold product on the Ethereum Layer-2 network ZKSync. The move aims to explore how to expand its gold products while protecting privacy. Key4 Gold allows Swiss customers to purchase physical gold through real-time pricing, deep liquidity and optional physical delivery.
UBS tests ZKSync Layer-2 technology
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