Almost without argument there is a general consensus the mechanism of the perfect Token Sales does not exist today. There are a number of examples of previous Token Sale events where issues were identified and when shared within the Blockchain community were identified and corrected in following releases. The majority of the issues occurred at the infancy of the Crowdsale token lifecycle model and were arguably caused by speculators, investors wanting to cash in on the hysteria of the event without wanting or caring to participate in what the token event really meant; that is the building of a mechanism which would be used to value, recognize, assign, appreciate and enable commerce (trade) with the platform and wider ecosystem.

Read more – https://blog.artoken.io/announcing-whitelist-application-why-we-chose-not-to-do-a-pre-sale-243db0923843