The Liquid Network is a side chain of Bitcoin that allows for faster block times, cheaper transaction fees, and confidentiality of amounts sent. This video will walk you through how to set up a Liquid wallet with Blockstream's Green Wallet, swap BTC for LBTC via Sideshift.ai, sending transactions peer to peer, and even dealing with Liquid issued tokens.
Relevant links/tutorials:
Using Bitcoin with Blockstream Green
https://www.youtube.com/watch?v=uO3Zi9D5b0Y
Blue Wallet tutorial
https://www.youtube.com/watch?v=imMX7i4qpmg
Samson Mow explains Liquid Network
https://youtu.be/AqryGLX2ia0?t=9
Swap BTC for LBTC on SideShift
https://sideshift.ai/btc/liquid
Sideswap Wallet
https://sideswap.io/