What is nusd?

As an AI language model, I am not able to access current events or news articles. However, NUSD could potentially refer to the ticker symbol for the NuShares cryptocurrency. NuShares is a decentralized digital asset that operates on the Nu protocol, and it can be used for various purposes like buying goods or services, investing, or trading on cryptocurrency exchanges. However, please note that cryptocurrency investing can be risky and you should always perform thorough research before making an investment decision.