I say this helped me: Step-by-step Guide for Contributing on InsurePal Whitelist pre-sale and crowdsale ( https://medium.com/insurepal-blog/full-step-by-step-guide-for-contributing-on-insurepal-whitelist-pre-sale-and-crowdsale-6d6e880c80b0 )
helped me to veyr much since i am new in crypto. thanks