Odaily News 21Shares has integrated Chainlink's Proof of Reserve (PoR) system to increase the transparency of its core Ethereum exchange-traded fund (ETF). Johann Eid, Chief Business Officer of Chainlink Labs, said that the transparency brought by the new integration may further promote the adoption of digital assets. It is reported that the PoR system will provide real-time reserve data and reserve history in a publicly verifiable manner, extracting data directly from the Coinbase exchange. (Cointelegraph)