Graph Blockchain Initiates Proof of Stake Mining of Tezos Graph Blockchain Inc. is pleased to announce the Company has begun Proof of Stake Mining of Tezos’s native token .The Company having acquired 100,000 XTZ Token’s for USD $670,967 on May 5, 2021 has initiated staking of its full allocation using Coinbase. As of the date of this news release, the XTZ Token has already appreciated in value by 17.86%. [1]Additional information will be provided on the XTZ Token as the … Graph Blockchain Inc. (CSE: GBLC) (OTC Pink: REGRF) (“Graph” or the “Company”) is pleased to announce the Company has begun Proof of Stake Mining of Tezos’s native token (“XTZ Token”).