Vodafone Digital Asset Broker (DAB) has joined the Chainlink network as a node operator after completing a proof-of-concept with Japanese trading and investment company Sumitomo for exchanging trade documents across platforms. The companies hope to improve document transfer and processing of financial transactions in the $32-trillion global trade ecosystem, Vodafone said.

The proof-of-concept used oracle network Chainlink’s Cross-Chain Interoperability Protocol (CCIP). DAB “provide[d] security and interoperability across IoT devices at the edge of a network.” The proof-of-concept showed the potential of Vodafone Internet-of-Things devices and blockchains to provide data for use in…

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