No, it is impossible to do a refund after the purchase of the tokens.

Платформа будет состоять из следующих компонентов:
1) Аналитика
2) Торговые сигналы и стратегии
3) Управление активами и фондами
4) Внутренняя платежная система
5) Обучающие материалы
6) Публичные прогнозы

For trading purposes cryptocurrencies are superior to other instruments for at least 3 reasons:
1) Highly Volatile
Large price moves are far more common in crypto than almost any other instrument.
2) 24/7
Trade in crypto remains active around the clock as volume is distributed primarily across American, European and Asian sessions.
3) Crypto exchange fees are minimal compared to traditional exchanges and the deposits or withdrawals are accomplished within hours from anywhere in the world.

At start we developed product for ourselves incorporating 10 years stock trading experience in Tradelize solution. So we know that traders face multiple challenges while trading cryptocurrencies. These include a lack of professional trading tools, a different and at times incompatible functionality of crypto exchanges and difficulties related to following and quickly reacting to value-creation events.