Bifrost (BNC) is a token of the project, infrastructure for collateral assets. Provides liquidity.

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For details on vsToken(BNC) governance redemption rules, ple...

Round 4 vsToken(BNC) governance redemption - public proposal #29

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And the new referendum is about vsBond-BNC: 1 redemption request 
https://bifrost.subsquare.io/democracy/referendum/164

💡You can still fully redeem your vsBond-BNC form the 1st Kusama crowdloan if you are eligible (meaning you can still wake up after several months of inactivity)

And the new referendum is about vsBond-BNC: 1 redemption request.