Determining the best blogging niche to make money online in 2023 can be subjective and depends on various factors such as personal interests, expertise, and market trends. However, some niches have consistently shown potential for generating income through blogging. Examples include personal finance, health and wellness, lifestyle and fashion, technology, and travel. These niches typically have a broad audience and offer opportunities for monetization through affiliate marketing, sponsored content, advertising, and selling digital products or services. As for the street rate today, please note that I do not have real-time data access, and my knowledge is based on information available until September 2021. Therefore, it would be best to check with reliable financial sources or currency exchange platforms for the most accurate and up-to-date street rates today.