The government agency regulating country's financial market claims that such crypto coins are too easy to use for criminal purposes as they are more difficult to track than block chain - based bitcoin. (coinidol.com)
In a scenario where a client has a clear and serious criminal purpose, and does not weigh the lawyer's advice, then the criminal communications exclusion would apply. (slaw.ca)
Possible issues include intellectual property, product liability, and use for criminal purposes. (slaw.ca)