Prometheum Coinery LLC is a transfer agent firm based in New York, New York that prometheum coinery llc is the sec-registered transfer agent within prometheum, inc.'s blockchain securities infrastructure. registered as a digital transfer agent in 2025, it provides on-chain and off-chain shareholder recordkeeping and facilitates corporate actions such as dividend distributions for digital asset securities. it operates alongside affiliated prometheum broker-dealers that handle custody, clearing, settlement and secondary-market trading of blockchain-based securities. They serve clients in United States. Prometheum Coinery LLC is listed on The Token Playbook's vetted provider registry at thetokenplaybook.com/registry/prometheum-coinery-llc.