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IEEE/ICACT20210248 Question.6 Questioner: mryoulin@gmail.com 2021-02-10 오후 4:53:34	IEEE/ICACT20210248 Answer.6 Answer by Auhor tglee@ptu.ac.kr 2021-02-10 오후 4:53:34
Hello, since private-preserving is very important for cryptocurrency or blockchain system, how does your LwTx or PTC implement it？ Or how do you plan to improve your LwTx or PTC for private-preserving ?	Thanks for your question. Personal security is an important issue in a blockchain system. At PTC, this personal security is achieved through asymmetric authentication security consisting of a private key and a public key based on the blockchain hash value. In order to maintain or reinforce personal security even in lightweight transactions proposed in this paper, we implement a one-way hash function based on a lightweight structure.

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