Bug bounty program is a business activity in which firms invite white-hat hackers around the world to identify vulnerabilities in their cyber systems. The paper proposes a model to quantify the normal cybersecurity spending with respect to the importance of information systems. An upper limit of...

The importance of crypto-asset valuation is increasing as the ecosystem of blockchain continues to boom in recent years. We develop a deep learning framework to predict the value index of crypto assets by integrating the value variables’ information and decomposing the price into value and...