What is Liquidity Baking?
Liquidity Baking (LB) is an experimental feature introduced along with the launch of Granada protocol update. It is an XTZ/tzBTC liquidity pool sustained not by a DEX but by the Tezos protocol itself. It is designed to provide protocol-level liquidity for DeFi.
What do you mean when you say you support LB?
Temple wallet mobile supports Liquidity baking. You can add XTZ/tzBTC tokens to the pool directly in the wallet, just visit the Dapp section:
The Temple wallet browser extension supports only swaps for the XTZ/tzBTC liquidity baking pool via Temple router.
How do I add liquidity to this pool?
You can partake in Liquidity Baking via the corresponding tabs in popular Tezos explorers.
Or use Temple Mobile application.
To acquire deeper understanding of Liquidity Baking feature please follow these links.