BuyPass is a Norwegian Certificate Authority (CA) that provides various services including digital certificates and security authentication products. Recently, BuyPass launched an ACME-based automated certificate issuance service called BuyPass GO, similar to Let's Encrypt. The main difference from Let's Encrypt is that their certificates have a 180-day validity period per issuance—twice as long as Let's Encrypt's. Therefore, if you need to manually replace certificates for your service, BuyPass certificates are more convenient. Additionally, BuyPass currently doesn't support issuing wildcard certificates (commonly called wildcard certs?), requiring all domain names to be listed individually. (Though personally, if manual certificate replacement is needed,...