Crypto securities platform Prometheum has completed a $20 million financing, with investors including a group of undisclosed individuals and institutions. As of now, Prometheum's total financing has reached approximately $64.3 million. It is reported that Prometheum has two subsidiaries. One is an alternative trading system expected to be launched in the first quarter of 2025. The other is a custodian that currently provides services to institutional investors, focusing on a few well-known crypto assets. The funds will be used to add more crypto assets and launch upcoming security tokens. (axios)