"Blockchain gaming is a new, experimental application bringing blockchain features to mainstream games. At Blockade Games, we have a long history of experimenting with new technology and ideas, spanning from creating the first crypto-puzzles, to deploying a Twitter bot powered by machine learning, to launching one of the first mainstream blockchain games on the Loom Network. Building at the forefront of technology is in our DNA.

By integrating Bitcoin Lightning Network payments, we are able to accept instant payments in Bitcoin directly, and instantaneously kick off a series of events on any other chain, such as minting a brand new Neon District asset to a buyer’s Ethereum or Loom Network wallet. Here’s how it works.."

https://medium.com/blockadegames/using-bitcoin-lightning-network-as-an-interface-to-ethereum-smart-contracts-7cbaecd05779