jmL¾BCH Lightning Network, ON-CHAIN (for real)!!! Seriously, that is genious: forcing to sign a penalty transaction if you don't want to have to wait.
https://www.youtube.com/watch?v=EsddVkR-MSs
https://whatsonchain.com/tx/3823e8b864494a6c3a35e3441ea4f87aad1a57f3db046ba6c87dd170b4804649