In some embodiments, techniques for data security may include encoding and decoding unreadably encoded data, such as data encrypted with a public key or tokenized. In some embodiments, techniques for data security may include distributing an encrypted private key. In some embodiments, unreadable data may be encrypted and/or decrypted using time-varying keys.In some embodiments, techniques for data security may include combining information and a policy, and encoding the combined information and policy, wherein encrypting the combined information and policy is performed using a public key, or via tokenization.In some embodiments, techniques for data security may include receiving data, wherein the data has been encoded, decoding the data, determining a first datum and a second datum, wherein the first datum and the second datum are associated with the decoded data, and determining a policy, wherein the policy is associated with the first datum.