# NFT Life Cycle

Every <mark style="color:green;">**NFT GREEN**</mark> will have a validity of <mark style="color:green;">**6 months**</mark>, becoming a collectible item after this period, which is the time a tree remains adopted.&#x20;

If the holder has <mark style="color:green;">**10 common**</mark> retired <mark style="color:green;">**NFTs**</mark> in his wallet, he will have <mark style="color:green;">**50% discount**</mark> on the purchase of a new mystery box after the <mark style="color:green;">**6 month period**</mark>, this discount also applies to <mark style="color:green;">**5 uncommon**</mark> or <mark style="color:green;">**2 legendary NFTs**</mark>.&#x20;

Holders will be able to exchange their <mark style="color:green;">**NFTs**</mark> with each other after opening the <mark style="color:green;">**mystery boxes**</mark> in our <mark style="color:green;">**Marketplace**</mark>.
