ARPA Threshold BLS Random Number Generator Design

Trustless Randomness

Uniqueness & Determinacy



Threshold BLS Signature

Table 1. Comparison across verifiable random number generation
Figure 1. Original BLS vs. Threshold BLS

ARPA Decentralized RNG Architecture

System Robustness

Table 2. Tolerable node failure vs. system failure

About ARPA



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ARPA is a privacy-preserving blockchain infrastructure enabled by MPC. Learn more at