GUSD is the Gemini Dollar released by the Winklevoss brothers’ Gemini company on September 10th, 2018. GUSD is a stable currency that is tethered to 1 USD, with USD deposits as guarantee and released on Ethereum.
GUSD chose to use Ethereum to deploy its ERC20 token. Compared to USDT’s Bitcoin Omni Layer contract design, GUSD transaction confirmation speeds can be many times faster, easily integrated into existing wallet software, and convenient to implement some complex functions. The downside is that in preparation for future upgrades to GUSD’s code logic, Gemini has customized a set of interrelated smart contract combinations.
GUSD official website: https://gemini.com/
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