# Copper Joins Digital Assets Working Group With More Than 150 Firms By John Kim Canonical URL: https://www.tokenpost.com/news/business/44778 Published: 2026-10-30T14:28:57.000Z Updated: 2026-10-30T14:28:57.000Z Section: Business > The forum brings together traditional finance and digital asset firms for discussions on tokenization and interoperability. Copper has joined a working group focused on digital asset solutions at The Depository Trust Company (DTC), adding a U.S. broker-dealer and qualified custodian to a forum spanning traditional finance and digital asset markets. The group includes more than 150 firms. Its work centers on dialogue about tokenization and interoperability. The forum also includes [Hashgraph, which joined the digital assets working group earlier](). DTC is a subsidiary of The Depository Trust & Clearing Corporation (DTCC), which provides clearing and settlement services for securities transactions in the U.S. financial system. ## Links in this article - [Hashgraph, which joined the digital assets working group earlier](https://www.tokenpost.com/news/business/43034)