There is no concrete answer to whether Dragonchain is on Coinbase or not. However, there are a few key indicators that suggest it may not be. First, Coinbase has not listed Dragonchain on its website as one of the assets it supports. Second, when asked about whether Dragonchain is on Coinbase, a customer service representative said that the company does not currently support that asset.
Third, Dragonchain is not available to trade on Coinbase’s platform. While there is no clear answer, it seems unlikely that Dragonchain is on Coinbase at this time.