Colored coins originated on Bitcoin, long before Ethereum existed https://en.bitcoin.it/wiki/Colored_Coins https://en.bitcoin.it/wiki/Colored_Coins Edit: to an

Colored coins originated on Bitcoin, long before Ethereum existed https://en.bitcoin.it/wiki/Colored_Coins https://en.bitcoin.it/wiki/Colored_Coins Edit: to answer you're question, yes, they're coming to Lightning along with many other integrations. Another project you might find interesting is https://impervious.ai https://impervious.ai Edit2: Tether was originally called Realcoin and was built on the Omni Layer on top of Bitcoin. If you visit Synonym's "Our Stack" page they link to github repos for Omni Layer and the new OmniBOLT that adds Lightning Network compatibility: https://synonym.to/our-stack/ https://synonym.to/our-stack/