<https://www.crowdfundinsider.com/2021/02/172052-security-tokens-market-cap-surpassed-half-a-billion-dollars-in-january-2021-up-over-34-in-a-month/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.crowdfundinsider.com/tag/uniswap/>