SO
Sovryn Zero is the BTC-collateralized 0% interest borrowing protocol within the Sovryn ecosystem on RSK. It is a Liquity V1 fork: borrowers post BTC collateral and mint ZUSD at 0% interest, paying only a one-time issuance fee.
The protocol is part of Sovryn’s broader Bitcoin-native DeFi stack. SOV is the governance token.