Full Reference
Lielacher, Alexander. “Tokenomics: What are the Classifications of ICO Tokens?”. Medium. Mar 13, 2018. Accessed before May 2020. https://web.archive.org/web/20181019113241/https://blog.icoalert.com/tokenomics-what-are-the-different-types-of-tokens-you-can-buy-in-icos-d6518d7bebb1