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Rephrase and rearrange the whole content into a news article of 350 words. Make sure whole content is in narrative style with h2 and h3 headings and there is no plagiarism involved compare with the following article:
Janet Louise Yellen is an American economist and educator serving as the 78th United States secretary of the treasury under President Joe Biden since January 26, 2021. A member of the Democratic Party, she previously served as the 15th chair of the Federal Reserve from 2014 to 2018.
I’m a cryptocurrency and blockchain technology writer. My work has been featured in major publications such as CoinDesk, Bitcoin Magazine, and VentureBeat. I’ve been a respected voice in the cryptocurrency community and my insights into the industry have helped shape its development.