Pivot: Proactive and Verifiable Threshold Oblivious Pseudorandom Functions From Isogeny Group Actions
PIVOT (Proactive Isogeny-based Verifiable Oblivious Threshold PRF), a dealerless threshold VOPRF framework based on effective isogeny group actions, is introduced, which formalizes the functionality of a long-lived proactive threshold VOPRF, proves the correctness of distributed key generation, threshold evaluation, pr...