1. https://cointelegraph.com/news/sec-commissioner-hester-peirce-encourages-less-caution-toward-etf-innovation
2. https://www.cryptoglobe.com/latest/2019/06/cftc-chairman-facebook-s-crypto-project-design-is-very-clever-but-only-in-early-stages/
3. https://primepress.by/news/kompanii/kitayskaya_kompaniya_heshu_software_mozhet_stat_rezidentom_pvt_i_parka_velikiiy_kamen-10904/
4. https://www.coindesk.com/coinbase-adds-eos-to-its-crypto-education-rewards-program
5. http://www.sib-science.info/ru/ras/vypusknik-omgu-31052019