Asset managers Ark Invest, led by CEO Cathie Wood, and 21Shares have integrated Chainlink’s proof of reserves to bring reserve data of its ARK 21Shares Bitcoin ETF (ARKB) on the Avalanche mainnet. (Marco Bello/Getty Images, modified by CoinDesk)

Ark and 21Shares to Disclose Spot Bitcoin ETF Reserves Via Chainlink Integration

Summary

Ark Invest and 21Shares integrate Chainlink’s Proof of Reserve platform for ARK 21Shares Bitcoin ETF (ARKB) to enhance transparency. This move follows Bitwise's disclosure of its digital wallet address for its Bitwise Bitcoin ETF (BITB) in January. ARKB has accumulated 33,274 bitcoin and over $1.8 billion in assets under management, making it the third highest among ETF issuers.