SubSquare has a proposal related to Bifrost Kusama. The second step of the proposal is being implemented. They are transferring BNC from different sources to the treasury. The sources include Polkadot Crowdloan, vToken & veBNC Incentive, Collator Incentive, and Slash Insurance Fund. The transfer is happening cross-chain from Bifrost Kusama to Bifrost Polkadot.