UMIP Proposal - Create PSP-BEAN-TETU-collateral-add

This UMIP proposes adding PSP, BEAN, & TETU for use as collateral in UMA contracts.

Community Review Call outcome - 11th April

GO with conditions

  • remove dePSP if not canonical
  • replace with canonical version
  • If dePSP is not removed clarify its functionality in Motivation.