It is generally agreed that permissioned blockchains can improve on the operational cost and performance of permissionless blockchains, but it is usually assumed that this improvement comes at the cost of transaction security, especially in low-trust environments. We develop a model of...

Blockchain technologies are designed to promote decentralization and self-governance in economic and social settings. In the context of platforms, an early claim of some proponents of these technologies was that blockchains would promote disintermediation, replacing intermediaries with...

Permissionless blockchain systems inspired by Bitcoin and related crypto-ecosystems are frequently promoted as the enablers of an open, distributed, and decentralized ideal. They are hailed as a solution that can “democratize” the world by creating a technological imperative favoring open,...

Platform-specific digital tokens are becoming increasingly common with the proliferation of initial coin offerings (ICOs). In addition to a novel financing mechanism, such tokens can help address the coordination problem that is common in network adoption. We develop a model to investigate the...