Let us see how the amount has been delegated to Top validators an The below chart representation explains us the distribution of LUNA token amount delegated to top 10 Validators.

LUNA is a governance and native staking token in the whole Terra ecosystem, which supports Terra's stablecoins and payment processing systems.

These LUNA tokens are used for staking and mining stablecoins by burning, depending on the current rate of the cryptocurrency.

The Terra Protocol runs on a PoS blockchain, where Validators needs to stake native Cryptocurrency LUNA to mine Terra transactions.