Is XLM worth buying?

Could you please elaborate on whether XLM, the native cryptocurrency of the Stellar network, is a worthwhile investment? Given its unique features like low transaction fees and fast settlement times, does it have the potential to appreciate in value over time? Additionally, how does it fare in comparison to other cryptocurrencies in terms of scalability, adoption, and overall market potential? Lastly, what are the potential risks associated with investing in XLM, and how can investors mitigate those risks?