# Basic & Mechanism

This chapter explains the core mechanisms behind Flap and the foundational components developers need to understand before integrating. It covers bonding curve behavior, the DEX migration flow, Portal vs VaultPortal differences, and the Flap Tax Token model.

## In this chapter

* [📈 Bonding Curve](/flap/developers/basic-and-mechanism/bonding-curve.md)
* [⚖️ Migrated To DEX](/flap/developers/basic-and-mechanism/list-on-dex.md)
* [Portal vs VaultPortal](/flap/developers/basic-and-mechanism/portal-vs-vaultportal.md)
* Flap Tax Token
  * [PreBond Tax](/flap/developers/basic-and-mechanism/flap-tax-token/prebond-tax.md)
  * [Tax Token V1](/flap/developers/basic-and-mechanism/flap-tax-token/tax-token-v1.md)
  * [Tax Token V2](/flap/developers/basic-and-mechanism/flap-tax-token/tax-token-v2.md)


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