Ask someone to write a paper for you, and the deposit has been paid. Is it illegal for the other party to go back on their word?
It's not illegal to ask someone to write a paper for you. The deposit has been paid. Conversely, it is illegal to ask someone to write a paper for you, even illegal.
Thesis ghostwriting is an academic fraud and an illegal act. Demanders not only face the risk of being deprived of their degrees or titles, but also the law will not protect the interests of the parties in case of disputes involving thesis writing.