1. https://btcmanager.com/microsoft-outlook-security-breach-targeted-bitcoin-accounts/2. https://cryptoinsider.com/41945-2-bitfinex-ieo-iota-partners-atx-hts-blockchain-phone/3. https://cryptobriefing.com/nasdaq-list-xrp-index-asset-tracking-service/4. https://cointelegraph.com/news/sec-suspends-trading-in-securities-of-crypto-exchange-bitcoin-generation5. https://www.youtube.com/watch?v=EjPrJGDZHBc