Switzerland’s largest bank, UBS, has completed a proof-of-concept (PoC) using ZKsync Validium, an Ethereum layer-2 (L2) solution, to enhance its fractional gold investment product, UBS Key4 Gold. Notably, the pilot aims to address scalability, privacy, and interoperability challenges in digital gold trading. Swiss UBS: Enhancing Scalability and Security The PoC was conducted on a ZKsync…

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