Here is the English translation without altering the HTML format:
```html
Defender Finance is a stable yield farming protocol based on a multi-chain, novel algorithmic model, first launched on the BSC network. It is comprised of the following tokens:
Sword ($SWD)
Shield ($SHD)
The $SWD token is designed to be pegged to 1 USD in ETH. Its price determines the expansion or contraction of FORTRESS. DEPOT, FORTRESS, and CITADEL are the current use cases for $SWD.
```
