About HashQuark HashQuark is a staking service provider under HashKey, whose parent company is Wanxiang Group, an early backer of Ethereum. We’ve been running over 50 nodes, such as Ethereum, Polkadot, Cosmos and Klaytn, and also developed several toolings for some projects, including PolkaCube and KLAYPortal, which won the grants from Polkadot…