What does it mean to "onboard" a digital asset security 25 October 2022 18:39 Updated Onboarding a DAS means that you can trade the DAS that you bought elsewhere over the Prometheum ATS. Related articles Does Prometheum ATS allow affiliates to "onboard" digital asset securities on to Prometheum ATS? What are the requirements for onboarding a digital asset security on Prometheum ATS? Why is my trade getting rejected? Why are my digital asset securities blocked from trading on Prometheum ATS? How does a GTC order differ from a market order?