What are some good crypto exchanges?
As a seasoned investor in the realm of cryptocurrency, I'm always on the lookout for reliable and secure platforms to buy, sell, and trade digital assets. With the myriad of options available, it can be daunting to determine which exchanges are truly trustworthy and offer competitive features. Could you enlighten me on a few reputable crypto exchanges that have stood the test of time, boast robust security measures, and cater to a diverse range of traders, from beginners to seasoned professionals? Additionally, are there any specific factors I should consider when evaluating these exchanges, such as fees, supported cryptocurrencies, trading pairs, or customer support?
What are some weaknesses of helium?
Could you elaborate on the weaknesses of helium, please? Could you highlight any specific vulnerabilities or limitations that helium might possess? I'm interested in understanding the downsides or challenges associated with helium, and how these might affect its performance or application in different contexts. Could you provide a concise yet comprehensive overview of these weaknesses, keeping it within a reasonable word count? Thank you.