Chainlink announced via X on Monday that 21.co has integrated Chainlink Proof of Reserves on the Ethereum and Solana mainnets. 21.co is the parent company of 21Shares, one of the world’s largest crypto exchange-traded products (ETPs) issuers.
The integration will help increase the transparency of 21.co Wrapped Bitcoin (21BTC). The firm is leveraging Chainlink Proof of Reserve within 21.co’s digital asset management platform Onyx to automate real-time reserve verification and enable secure minting of 21BTC.
21BTC is a native Solana and a native Ethereum token, fully backed 1:1 by Bitcoin reserves held in cold storage and institutional custody. Timely updates on the status of those BTC reserves are delivered onchain via Chainlink Proof of Reserve, giving users greater visibility and stronger assurances that 21BTC is fully collateralized.
Chainlink Network (LINK) aims to provide tamper-proof inputs and outputs of data for smart contracts on any blockchain. LINK is up 1% over the past 24 hours and is trading at $11.42 at press time.