Final answer:
A digital certificate is a document that proves ownership of a public key, crucial for secure online transactions.
Explanation:
A digital certificate is the document that proves an entity owns a certain public key. It contains information about the public key, organization, and the digital signature of the Certificate Authority (CA). When visiting a HTTPS website, the webserver sends its public key along with the public key certificate to validate ownership.
Learn more about Public Key Certificates here:
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