Eisen, a cryptocurrency compliance and asset recovery firm, has successfully closed a $10 million Series A funding round. The round was led by MissionOG, with contributions from Index Ventures, First Round Capital, Cowboy Ventures, among others. This latest investment brings Eisen's total funding to $18.5 million. Founded by former Coinbase product manager Allen Osgood, Eisen focuses on assisting financial institutions in reclaiming unclaimed cryptocurrency assets that have been handed over to U.S. state governments. The company aims to return these funds to users before they are permanently transferred to state custody.