DNS Firewall is a security measure that helps protect users from malicious activities online, particularly in relation to cryptocurrency transactions. It acts as a filter at the DNS (Domain Name System) level, blocking access to harmful sites known for phishing, malware distribution, or fraud.When users attempt to connect to a suspicious domain, the DNS Firewall prevents the connection, directing them instead to a safe page or simply denying the request. This is crucial for protecting sensitive information, such as private keys and wallet addresses.In the context of cryptocurrency, where transactions are irreversible and assets can easily be lost to scams, a DNS Firewall can add an extra layer of security. By monitoring and blocking known malicious domains, it helps users engage in safer transactions and reduces the risk of falling victim to cyberattacks.Moreover, adding a DNS Firewall can benefit exchanges and wallets by safeguarding their platforms against attempted breaches, ensuring a more secure environment for users. Overall, it is a vital tool in maintaining security within the cryptocurrency ecosystem.