It shows how safe your loan is: (collateral × liquidation threshold) / debt. Below 1.0 your position can be liquidated.
Above 1.5 is generally considered safe; many users keep 2.0 or higher to survive large market drops.
Yes — Fluid is supported on Ethereum, Arbitrum, Base, BNB Chain, Polygon and Plasma.
No. Just enter any wallet address — data is read directly from the protocol smart contracts.