A Wildcard Certificate is a type of digital certificate used for securing websites. It allows you to secure multiple subdomains under a single domain name all at once. For instance, if you have the main domain “example.com,” a Wildcard Certificate would also cover “blog.example.com,” “shop.example.com,” and any other subdomain you might create.In the context of blockchain and cryptocurrencies, these certificates provide secure connections for decentralized applications (dApps), exchanges, and wallets. They ensure that users’ data is encrypted and that their interactions are safe from eavesdropping or malicious attacks.Using Wildcard Certificates can simplify the management of security for multiple subdomains. Instead of needing a separate certificate for each one, you can manage them more efficiently with a single certificate. This not only saves time but also reduces costs associated with purchasing and renewing certificates individually. Overall, Wildcard Certificates are a practical solution for enhancing security across multiple subdomains, ensuring user trust and protecting sensitive information.