# ④ Liquidity and Tokens

This chapter integrates the white paper `4 + 5.x`, including the liquidity aggregator and the three-token collaboration model.

## Contents of this chapter

* `4 flow aggregator`
* `5.1 Algorithmic non-stable currency ODY`
* `5.2 Ecological Incentive Token ODYS`
* `5.3 Value Token ODS`
* `5.4 Odyssey privacy cross-chain`

After reading this chapter, you can further enter the chapter on autonomous development and incentive mechanisms.