In this paper, a new replay attack based on Ethereum smart contracts is presented. In the token transfer, the risk of replay attack cannot be completely avoided when the sender's signatures are abused, which can bring the loss to users. And the reaso
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Today I am honored to join the World Smart Cities Economic Development Commission Advisory Board of the World Business Angels Investment Forum (WBAF), a partner of the G20 Global Partnership for Financial Inclusion (GPFI), to support job growth, digi
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