---
id: 2012
title: "Introduction to Verifiable Delay Functions (VDFs)"
source_domain: blog.trailofbits.com
source_url: "https://blog.trailofbits.com/2018/10/12/introduction-to-verifiable-delay-functions-vdfs/"
published_at: "2018-10-12T10:50:10Z"
tags: ["web3", "cryptography", "blockchain", "randomness", "vdf", "pietrzak"]
phying_url: "https://phying.com/item/2012"
lang: en
---

# Introduction to Verifiable Delay Functions (VDFs)

## Summary

Introduction to Verifiable Delay Functions as a fix for miner-manipulable on-chain randomness, covering VDF candidates and a security analysis of the Pietrzak scheme.

## Intelligence Metadata

- **Sources:** blog.trailofbits.com
- **Published:** 2018-10-12T10:50:10Z
- **Original:** https://blog.trailofbits.com/2018/10/12/introduction-to-verifiable-delay-functions-vdfs/
- **Phying News:** https://phying.com/item/2012