# 5.2 Types and Characteristics of NFTs

**① Wellness Growth Acceleration NFT (Growth Acceleration NFT)**

* When activated (Burn), the growth efficiency of Welmee is reflected within the application (converted into in-app items and used from within the app).
* Example effects: growth multiplier +10%, increased success rate for sleep missions, increased wellness score acquisition, etc.
* Through merge, the performance of NFTs can be enhanced or reconfigured.

**② Wellness Data NFT (Data NFT)**

* Users can select their own wellness data and convert it into NFTs as the growth results of Welmee.
* Data NFTs are designed as “NFTs with viewing rights,” enabling circulation to research institutions, medical organizations, and companies.
* Metadata is encrypted, and access is restricted to NFT holders only, adopting a structure that protects privacy.
* Ownership of the data remains with the user, and the value of the data is returned to the user.