The Iron Chain brings the added security of the Iron Ring into a Blockchain environment.
![mdle and blockchain mdle and blockchain](http://www.new.6dcp.com/wp-content/uploads/2019/08/mdle-and-blockchain.png)
MDLE is compatible in a Blockchain environment.
Sensitive information is NEVER stored on any of the nodes.
Each node contains only the decryption key (to authenticate a request) and a log file (to log every scanning event: date, time, location, device ID).