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Nakamoto Consensus and Bitcoin [Read More]

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Introduction Contact tracing is a common practice in the public health space. As COVID cases surged since the start of 2020, contact tracing has been considered a promising way to limit the spread of COVID. In contrast to past public health crisis like SARS, it is now more tangible to... [Read More]

Introduction Previously, we have learned powerful security techniques like secure two-party computation, oblivious RAM that eliminate information leakage during the communication with servers. However, due to the expensive cost, it’s hard to deploy those techniques. Researchers came up with another efficient method called searchable encryption (SE) that allows the client... [Read More]