While the advent of cryptocurrencies and digital assets holds promise for improving and disrupting financial systems by offering cheap, quick, and secure transfer of value, it also opens up new payment channels for cybercrimes. A prerequisite to solving a problem is understanding the nature of...

Blockchain technology provides decentralized consensus and potentially enlarges the contracting space using smart contracts with tamper-proofness and algorithmic executions. Meanwhile, generating decentralized consensus entails distributing information which necessarily alters the informational...

Blockchain technology provides decentralized consensus and potentially enlarges the contracting space through smart contracts with tamper-proofness and algorithmic executions. Meanwhile, generating decentralized consensus entails distributing information that necessarily alters the informational...

We develop a dynamic model of platform economy where tokens derive value by facilitating transactions among users and the platform conducts optimal token-supply policy. Token supply increases when new tokens are issued to finance platform growth and to reward platform owners. Token supply...

Web3 and DeFi are widely advocated as innovations for greater financial inclusion and democratization. We conduct an initial investigation using data from the Ethereum network. We describe its network structure and distributions of transactions, mining, and ownership. Mining and ownership of...

Web3 and DeFi are widely advocated as innovations for greater financial inclusion and democratization. We conduct an initial investigation using large-scale computing and big data concerning Ethereum, the largest Web3 platform. We describe its network structure, time trends, and distributions of...