Accumulable optimistic fair exchange from verifiably encrypted homomorphic signatures

JH Seo, K Emura, K Xagawa, K Yoneyama - International Journal of …, 2018 - Springer
Let us consider a situation where a client (Alice) frequently buys a certain kind of product
from a shop (Bob)(eg, an online music service sells individual songs at the same price, and
a client buys songs multiple times in a month). In this situation, Alice and Bob would like to
aggregate the total transactions and pay once per month because individual payments are
troublesome. Though optimistic fair exchange (OFE) has been considered in order to swap
electronic items simultaneously, known OFE protocols cannot provide such aggregate …

[CITATION][C] Accumulable optimistic fair exchange from verifiably encrypted homomorphic signatures

米山一樹 - International Journal of Information Security, 2017 - cir.nii.ac.jp
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