Here’s a draft you can use for Task 3 (Binance Square post). It’s more than 100 characters, includes @Huma Finance 🟣 and the #HumaFinance hashtag, and stays relevant:

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🚀 Excited to see the innovation @Huma Finance 🟣 is bringing to decentralized finance! Their mission to build fair and transparent financial services is inspiring. Looking forward to exploring more about their projects and community. #HumaFinance