This is not a bug in MEGA; it is the entire point of the service. Without this feature, MEGA would be able to read your files, governments could demand access, and hackers could steal your data. The decryption key is your power—and your responsibility.
Unlike other cloud storage providers like Google Drive or Dropbox, MEGA was built with a specific focus: how to open a mega link without decryption key link
Opening a MEGA link that asks for a decryption key means you currently only have the first half of the data required to access the file. Because MEGA uses , the server itself does not "know" the key; it is only stored within the full link or held by the sender. Why You're Seeing the Prompt This is not a bug in MEGA; it