Is yearn finance legit?

Sure, here's a possible question based on the paragraph "Is Yearn Finance legit?": "Hello, I've been hearing a lot about Yearn Finance lately and I'm interested in investing in it, but I'm a bit hesitant because I'm not sure if it's legitimate. Can you tell me more about Yearn Finance and whether or not it's a trustworthy platform? What kind of security measures does it have in place to protect user funds? And have there been any instances of fraud or scams associated with Yearn Finance in the past?