Research has recently been published about some glaring vulnerabilities in the Lightning Network, which is the second layer protocol built on top of BTC to overcome the inherent shortcomings of the small block BTC network on the practicality of the protocol being used as a cash or micropayments system.
The paper published by researchers at the University of Illinois revealed two major attack vulnerabilities endemic in the system, which could be used to inconvenience users by locking them from their money or steal funds outright. https://coingeek.com
