Definition ∞ A dual encryption scheme involves applying two distinct layers of cryptographic protection to data. This method enhances security by requiring two separate decryption keys or processes to access the information. It provides an additional barrier against unauthorized disclosure or tampering. The two layers can employ different algorithms or key management systems for increased robustness.
Context ∞ Dual encryption schemes are frequently discussed in the context of securing highly sensitive digital assets or confidential communications within blockchain environments. Implementations may appear in secure messaging protocols or in systems requiring advanced data protection for regulatory compliance. The operational overhead versus the security gains is a key consideration in its application.
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