SEXN is a #Web3.0 sexual app that implements the sex-to-earn concept. SEXN is designed to give users two of the indispensable things that humans love most: sex and money. This sexual application will start from sex-to-earn and gradually develop private social and e-commerce sectors. There are several modes, including coitus mode, masturbation mode, Sadism & Masochism model, and super mode, which can meet the needs of different groups of people in different situations and contain different rewards methods.