Voucher Token, or vToken, is a kind of Polkadot or Substrate Based general-purpose asset minted by users through the Bifrost network using Staking assets. vToken represents the ownership and reward right of the original Staking assets. The Staking rewards generated by Staking is an alternative frangible asset with trading liquidity, which can unlock the liquidity of the original Staking or even become a new Staking asset to help users doing leveraged transactions. vToken also has six features, including traceability, governance, cross-chain, full reserve, alternative and full scenario.

Staking Derivatives and PLO Derivatives are typical examples of vToken.