1. https://btcmanager.com/facebooks-crypto-initiative-project-libra-is-making-moves/
2. https://www.coindesk.com/not-a-white-paper-marketing-document-details-1-billion-bitfinex-token-sale
3. https://blokt.com/featured/new-microsoft-and-j-p-morgan-partnership-brings-enterprise-variant-of-ethereum-to-azure
4. https://ria.ru/20190505/1553265286.html
5. https://www.coindesk.com/ny-regulators-bitfinex-must-be-made-to-disclose-tether-deal-documents