Definition ∞ A plaintext model in cryptography refers to a system or data representation where information is stored or processed in an unencrypted, readable format. This means the data is directly accessible and understandable without any cryptographic decryption. While simpler for direct use, it lacks confidentiality and is susceptible to unauthorized access. Such models are often used for illustrative purposes or in non-sensitive contexts.
Context ∞ In the context of digital assets and secure blockchain transactions, the concept of a plaintext model is often contrasted with encrypted or zero-knowledge proof systems. While basic transaction details on public blockchains are often in “plaintext” for transparency, sensitive data in advanced cryptographic applications requires robust encryption. News about data breaches or privacy concerns in crypto often highlights the risks associated with insufficient encryption, emphasizing the need to move beyond simple plaintext approaches for sensitive information.
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