Citigroup Is Reviewing Partnership With Crypto Custodian Metaco

Citigroup Inc. is reviewing its digital-assets custody partnership with Swiss fintech firm Metaco and has started informal talks with other providers, people with knowledge of the matter said.

The people asked not to be identified because the deliberations are private. The Wall Street bank announced the partnership with Metaco a year ago. Ripple Labs Inc., which is locked in a years-long dispute with the US Securities and Exchange Commission, agreed last month to buy Metaco for $250 million.

Moves by traditional financial firms into the digital-assets industry have created opportunities for the sector’s startups, particularly in custody. But ...