What is changehero crypto exchange?

Could you elaborate on what ChangeHero crypto exchange is? I've heard it mentioned in the crypto community but I'm not entirely sure what it offers. Is it a platform for buying and selling cryptocurrencies? Does it support a wide range of digital assets? Are there any specific features or services that set it apart from other exchanges? Additionally, what are the security measures implemented by ChangeHero to ensure the safety of its users' funds? I'd appreciate a concise yet comprehensive description of this crypto exchange.