Day 57: Decentralized Randomness: The RANDAO Process

Guilherme Soares
3 min readNov 26, 2023


Photo by Carson Arias on Unsplash

“In the world of blockchain, randomness is not left to chance; it’s a carefully orchestrated dance, led by RANDAO.” — Blockchain Architect

In the realm of blockchain and decentralized systems, generating randomness is a complex challenge. Unlike traditional systems, where a central authority can generate random numbers, decentralized environments require a mechanism that is transparent, tamper-proof, and unbiased. This is where the RANDAO (Randomized Autonomous Organization) process comes into play. Let’s dive into the intriguing world of decentralized randomness and explore how the RANDAO process is reshaping this landscape.

The Significance of Randomness in Decentralized Systems

Randomness is a critical component in various blockchain applications, from consensus algorithms to smart contract functionalities like lotteries or games. However, achieving true randomness in a decentralized setting is fraught with challenges. The RANDAO process emerges as a solution to ensure fairness and unpredictability in these environments.

Why Decentralized Randomness Matters:

  • Fairness: Ensures equal opportunity and unpredictability in…



Guilherme Soares

I'm a senior software developer passionate about technology and to share knowledge.