vGLMR (voucher GLMR) is a liquid staking derivative (LSD) of staked GLMR, with fully underlying GLMR reserve and yield-bearing feature of GLMR staking reward. Users can deposit GLMR into Bifrost SLP protocol and get vGLMR as return, vGLMR can be traded in the open market or be redeemed back to GLMR. Holding vGLMR equals to holding the GLMR staking position, staking rewards appriciate the exchange price of vGLMR.