Single-Use Delegatable Signatures Based on Smart Contracts
Stephan Krenn, Thomas Lorünser · 2021
Delegation of cryptographic signing rights has found many application in the literature and the real world. However, despite very advanced functionalities and specific use cases, existing solutions share the natural limitation that the number of usages of these signing rights cannot be efficiently limited, but users can at most be disincentivized to abuse their rights.