Crypto custody firm Copper is looking to sale the company for $500 million

Cantor Fitzgerald has been appointed to help with the sale, according to sources.

Cryptocurrency custody firm Copper has been out shopping itself, seeking a buyer willing to pay about $500 million for the platform, according to two people familiar with the matter.

Wall Street investment bank Cantor Fitzgerald has been appointed to help sell Copper, the people said.

Copper and Cantor didn't respond…