In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.
https://loft.trade/ - no KYC, LN enabled
https://lightningjunkies.net/lightning-network-for-blockheads-jolt02 - The podcast for LN beginners
https://pro.kollider.xyz/ - Perpetual swaps on LN