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Proxy blind signature is a combination 0f both the properties of proxy signature and blind signature scheme. This scheme is useful in many applications like e-voting, e-payment and mobile agent environments. This paper presents a new proxy blind signature scheme based on Discrete Logarithm Problem (DLP), which satisfies the secure properties of both the blind signature scheme and the proxy signature scheme. As compared with existing typical schemes, this scheme is more secured and efficient with minimum cost.
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