Mercury is a crypto asset issued on the Waves Platform blockchain. MER is a provenance token, allowing cross-chain time-stamping from the permissioned Jupiter blockchain to Waves, allowing Jupiter blockhashes to be time-stamped on the Waves blockchain by including them on Waves transactions (using Mercury to pay transaction fees).The official Mercury ticker is “MER” and trades under that name on all the exchanges where it has been listed. The designation “MERCURY” is for CryptoCompare.com only.