According to TechFlow, federally chartered crypto bank Anchorage Digital announced that it will provide custody services for two U.S. cryptocurrency spot ETFs issued by 21Shares, namely ARK 21Shares Bitcoin ETF (ARKB) and 21Shares Core Ethereum ETF (CETH).

To improve security, Anchorage will require issuers and participants to use biometric authentication to participate in crypto ETFs. Other technical enhancements include offline storage of private keys, low-latency architecture, and efficient ETF share creation and redemption.

As of April this year, Anchorage Digital managed assets of more than $50 billion. Currently, the ARK 21Shares Bitcoin ETF holds $2.47 billion in net assets, while the 21Shares Core Ethereum ETF has accumulated $8.88 million.