Today there is considerable interest in the tokenization of assets within blockchain-based networks. Aside from the current lack of interoperability among these blockchain networks there is also the challenge of the interoperability of these digital assets across different legal jurisdictions around the world. In this paper, we discuss some of the challenges in automating the processing of tokenized assets.  A primary concern in that context is the clear definition of legal aspects related to the issuance and the terms of use of digital assets.