"The cryptocommunity has much to celebrate this month after the popular peer-to-peer crypto exchange HodlHodl announced Lightning Network integration. Now, crypto traders can seamlessly buy and sell Bitcoin at reduced rates via this off-chain protocol. The move places HodlHodl in an exclusive class of Lightning exchanges currently in operation globally.

News of the integration came via a June 5th, medium post. In the post, the company detailed their experiences with the second layer protocol, and how its functionality would integrate into the current platform. Due to the fact that the Lightning Network is still in its Beta testing stages, HodlHodl decided on a different approach..."

https://www.bitcoinlightning.com/hodlhodl-exchange-integrates-lightning-network/