In order for cryptocurrencies such as Ethereum or Bitcoin to work in place of existing financial system, they need to have a lot of work done. (coinstocks.com)
The US chief financial watchdog, the Financial Stability Oversight Board (FSOC), claims that Bitcoin and other cryptocurrencies do not pose a threat to existing financial systems around the world. (coinweek.org)
The Lightning Network has significant similarities with how existing financial systems solve this problem.» (coindesk.com)