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When the Collateralization ratio is above 100%, Fei protocol can buy back TRIBE with newly minted FEI. This TRIBE is sent to the treasury to fund development, partnerships, and liquidity mining.

The way a buyback occurs is:

  1. Calculate PCV Equity (PCV - user FEI)
  2. Calculate mint amount APR * Equity / period FEI. PCVEquityMinter
  3. Begin a Balancer auction to buy TRIBE for the FEI from step 2. BalancerLBPSwapper