Fact-checking credits

Staking at ArAIstotle grants daily fact-checking credits to stakers. The credits depends on the tier assigned which is decided based on the staked amount.

The tiers are:

Tier	FACY Staked	Credits/Da
None	0 - 249	5
Bronze	250 - 24999	25
Silver	25000 - 74999	50
Gold	75000 - 149999	250
Platinum	>150000	1000