Decryption Key Mega.nz May 2026

Mega.nz employs a client-side encryption approach, where files are encrypted on the client-side before being uploaded to the server. This means that only the user has access to the decryption key, and Mega.nz's servers store only encrypted data. Mega.nz uses a combination of cryptographic techniques, including AES-256-GCM and RSA-2048, to ensure the confidentiality and integrity of stored data.