21Shares has integrated Chainlink’s proof-of-reserve (PoR) system to create more transparency for its Core Ethereum exchange-traded fund (ETF). 21Shares, one of the world’s largest issuers of crypto exchange-traded products (ETPs), aims to build greater trust in its physically-backed Ether (ETH) ETF by integrating proof of reserves. The transparency created by the new integration could further the path of digital asset adoption, according to Johann Eid, the chief business officer of Chainlink Labs, who wrote in a shared statement: “21Shares is playing an important role in supporting the adopti…