Doing something contrary to state law is illegal such as illegal immigrant, a person whose tourist visa has expired but is still staying in the US that is illegal. Illegal also refers to a violation of law, the practice of breaking the criminal law. Anything that is against the law is illegal, it can be a crime of any kind, big or small such as bank robbery is also illegal. In some states where bitcoin, kratom, weed is also illegal. If you want to trade bitcoin, first ensure that there it is legal. Weed is already legal above 40 states in the United States. According to FDA, kratom has no other health benefits, in addition to creating addiction, and even death, so kratom is illegal. According to FDA, kratom has no other health benefits, moreover creates addiction, and could even reason demise, so kratom is illegal. In the event that you have some other inquiries or remarks, it would be ideal if you let us know.