1. https://www.jpmorgan.com/global/news/digital-coin-payments2. https://dailyhodl.com/2019/03/29/japans-subway-riders-to-pay-in-bitcoin-and-crypto-report/3. https://u.today/russian-facebook-vkcom-mulls-hitting-the-market-with-its-own-crypto4. https://www.coinspeaker.com/palladium-backed-cryptocurreny/5. https://venturebeat.com/2019/03/27/bittorrent-live-returns-as-a-snapchat-like-social-media-app/