<https://www.crowdfundinsider.com/2021/05/174928-security-tokens-market-cap-now-almost-700m-with-april-2021-avg-weighted-returns-at-over-11-report/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.crowdfundinsider.com/tag/uniswap/>