Yining Liu and Jihong Yan A lightweight micropayment scheme based on Lagrange interpolation formula Security and Communication Networks 6
The proposed micropayment based on hash chain and Lagrange interpolation formula achieves the following goals. First, it is lightweight, using hash chain instead of the complicated public key signature. Second, the payable selection is determined by the user, merchant, and bank; any types of collusion can be prevented. Next, the scheme achieves privacy protection for the users. Furthermore, the proposed scheme is also economic and efficient.
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