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VRF Resources

Chainlink VRF provides cryptographically secure randomness for your blockchain-based applications.

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Quickstarts

25
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VRF
Automation
Data
Chainlink Demo App
Read User Guide
Diff
Easy
Use case 1
General
Use case 2
Use case 3
Type
QuickStarts
Product 1
VRF
Product 2
Automation
Product 3
Data
Sub Product 1
Data Feeds
Automation
VRF
VRF-enabled Mystery Box
Read User Guide
Diff
Medium
Use case 1
dApps
Use case 2
Use case 3
Type
QuickStarts
Product 1
Automation
Product 2
VRF
Product 3
Sub Product 1
VRF
Pass VRF Costs to the End User
Read User Guide
Diff
Medium
Use case 1
DeFi
Use case 2
Use case 3
Type
QuickStarts
Product 1
VRF
Product 2
Product 3
Sub Product 1
VRF
VRF-Enabled LootBox/Pack Contract
Read User Guide
Diff
Advanced
Use case 1
dApps
Use case 2
DeFi
Use case 3
Type
QuickStarts
Product 1
VRF
Product 2
Product 3
Sub Product 1
Explore All
Type

Guides

23
See all
35m
Smart Contracts
Programmatic Subscription
Diff
Medium
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Guides
Product 1
VRF
Product 2
Product 3
Sub Product 1
45m
Smart Contracts
Get a Random Number - Subscription Method
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Guides
Product 1
VRF
Product 2
Product 3
Sub Product 1
25m
Smart Contracts
Tes Locally Using a Mock Contract - Subscription Method
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Guides
Product 1
VRF
Product 2
Product 3
Sub Product 1
25m
Smart Contracts
Get a Random Number - Direct Funding Method
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Guides
Product 1
VRF
Product 2
Product 3
Sub Product 1
25m
Smart Contracts
Test Locally Using a Mock Contract - Direct Funding Method
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Guides
Product 1
VRF
Product 2
Product 3
Sub Product 1
30m
NFTs
NFT Automation With PlanetIX
Diff
Medium
Use case 1
NFTs
Use case 2
Use case 3
Type
Guides
Product 1
VRF
Product 2
Product 3
Sub Product 1
Explore All
Type

Beginner tutorials

23
See all
45m
Smart Contracts
Getting Started with VRF
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Beginner Tutorials
Product 1
VRF
Product 2
Product 3
Sub Product 1
30m
Smart Contracts
Direct Funding Tutorial
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Product 1
VRF
Product 2
Product 3
Sub Product 1
60m
Smart Contracts
Random Numbers: Using Chainlink VRF
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Beginner Tutorials
Product 1
VRF
Product 2
Product 3
Sub Product 1
60m
Smart Contracts
Programmatic Subscription
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Beginner Tutorials
Product 1
VRF
Product 2
Product 3
Sub Product 1
Explore All
Type

Videos

23
See all
16m
NFTs
Build a Dynamic Asset Monitoring NFT in 15 Minutes | Richard Gottleber at SmartCon 2022
Diff
Easy
Use case 1
NFTs
Use case 2
Use case 3
Type
Videos
Product 1
VRF
Product 2
Product 3
Sub Product 1
2h
NFTs
How To Build an NFT App Using IPFS: Code Along
Diff
Easy
Use case 1
NFTs
Use case 2
Use case 3
Type
Videos
Product 1
VRF
Product 2
Product 3
Sub Product 1
10m
NFTs
NFT Use Cases | Genomic Data, Real Estate, and Beyond
Diff
Easy
Use case 1
NFTs
Use case 2
Use case 3
Type
Videos
Product 1
VRF
Product 2
Product 3
Sub Product 1
2h
NFTs
A Complete Guide to Creating NFTs
Diff
Easy
Use case 1
NFTs
Use case 2
Use case 3
Type
Videos
Product 1
VRF
Product 2
Product 3
Sub Product 1
2h11m
Smart Contracts
Build and Deploy a Blockchain Lottery | freeCodeCamp — Lesson #7
Diff
Medium
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Videos
Product 1
VRF
Product 2
Product 3
Sub Product 1
2m
General
What is Chainlink VRF?
Diff
Easy
Use case 1
General
Use case 2
Use case 3
Type
Videos
Product 1
VRF
Product 2
Product 3
Sub Product 1
40m
NFTs
Gaming
Kitsumon Optimizing RNG Gas Use with Chainlink VRF
Diff
Medium
Use case 1
NFTs
Use case 2
Gaming
Use case 3
Type
Videos
Product 1
VRF
Product 2
Product 3
Sub Product 1
38m
NFTs
Gaming
Weyu Chainlink Q&A | Fair Distribution for Mass NFT Adoption
Diff
Medium
Use case 1
NFTs
Use case 2
Gaming
Use case 3
Type
Videos
Product 1
VRF
Product 2
Product 3
Sub Product 1
39m
NFTs
Gaming
MaticMike NFT YouTube Q&A | A One-Dev Chainlink Hackathon Project Comes to Life
Diff
Medium
Use case 1
NFTs
Use case 2
Gaming
Use case 3
Type
Videos
Product 1
VRF
Product 2
Product 3
Sub Product 1
29m
NFTs
Gaming
Sports
Dez Bryant & Trevon Diggs | Personal Corner Dynamic NFTs and Pro Sports on Chainlink NFTs & Gaming
Diff
Medium
Use case 1
NFTs
Use case 2
Gaming
Use case 3
Sports
Type
Videos
Product 1
VRF
Product 2
Product 3
Sub Product 1
Explore All
Type

Documentation

25
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Smart Contracts
VRF Supported Networks - Subscription Method
Diff
Medium
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Documentation
Product 1
VRF
Product 2
Product 3
Sub Product 1
Smart Contracts
VRF Supported Networks - Direct Funding Methods
Diff
Medium
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Documentation
Product 1
VRF
Product 2
Product 3
Sub Product 1
Smart Contracts
VRF Best Practices
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Documentation
Product 1
VRF
Product 2
Product 3
Sub Product 1
Smart Contracts
VRF Security Considerations
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Documentation
Product 1
VRF
Product 2
Product 3
Sub Product 1
Smart Contracts
Estimating VRF Costs
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Documentation
Product 1
VRF
Product 2
Product 3
Sub Product 1
See more detailed documentation on VRF
Open Docs
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Type

Blogs

45
See all
NFTs
Gaming
Smart Contracts
Verifiable Random Function (VRF) - Explained
20m
Diff
Easy
Use case 1
NFTs
Use case 2
Gaming
Use case 3
Smart Contracts
Type
Blogs
Product 1
VRF
Product 2
Product 3
Sub Product 1
NFTs
Build Your Own Dynamic NFT With Hardhat
20m
Diff
Medium
Use case 1
NFTs
Use case 2
Use case 3
Type
Blogs
Product 1
VRF
Product 2
Product 3
Sub Product 1
Smart Contracts
How to get a Random Number on Polygon
20m
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Blogs
Product 1
VRF
Product 2
Product 3
Sub Product 1
NFTs
Build, Deploy, and Sell Your Own Dynamic NFT
20m
Diff
Medium
Use case 1
NFTs
Use case 2
Use case 3
Type
Blogs
Product 1
VRF
Product 2
Product 3
Sub Product 1
Explore All
Type

Case studies

25
See all
Gaming
PoolTogether Uses Chainlink VRF to Fairly Gamify Personal Savings
Read case study
Diff
Easy
Use case 1
Gaming
Use case 2
Use case 3
Type
Case Studies
Product 1
VRF
Product 2
Product 3
Sub Product 1
NFTs
Sports
The NBA Uses Chainlink Oracle Network and VRF To Power The Association NFT Collection
Read case study
Diff
Easy
Use case 1
NFTs
Use case 2
Sports
Use case 3
Type
Case Studies
Product 1
VRF
Product 2
Product 3
Sub Product 1
NFTs
Polychain Monsters Uses Chainlink VRF to Fairly Distribute NFTs
Read case study
Diff
Easy
Use case 1
NFTs
Use case 2
Use case 3
Type
Case Studies
Product 1
VRF
Product 2
Product 3
Sub Product 1
NFTs
How Ether Cards Uses Chainlink VRF To Bring New Utility to NFTs
Read case study
Diff
Easy
Use case 1
NFTs
Use case 2
Use case 3
Type
Case Studies
Product 1
VRF
Product 2
Product 3
Sub Product 1
DeFi
NFTs
Aavegotchi Uses Chainlink VRF to Pioneer Dynamic NFTs on Polygon
Read case study
Diff
Medium
Use case 1
DeFi
Use case 2
NFTs
Use case 3
Type
Case Studies
Product 1
VRF
Product 2
Product 3
Sub Product 1
Explore All
Type

Courses

23
See all
10h
Smart Contracts
VRF v2 Advanced
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Courses
Product 1
VRF
Product 2
Product 3
Sub Product 1
10h
Smart Contracts
VRF v2 Introduction
Diff
Easy
Use case 1
Smart Contracts
Use case 2
Use case 3
Type
Courses
Product 1
VRF
Product 2
Product 3
Sub Product 1
Explore All
Type

Tech Talks

10
See all
45m
Gaming
Securing the Aavegotchi Metaverse With On-Chain Randomness
Diff
Easy
Use case 1
Gaming
Use case 2
Use case 3
Type
Tech Talks
Product 1
VRF
Product 2
Product 3
Sub Product 1
45m
General
Chainlink VRF v2: The Future of On-Chain Randomness
Diff
Easy
Use case 1
General
Use case 2
Use case 3
Type
Tech Talks
Product 1
VRF
Product 2
Product 3
Sub Product 1
45m
NFTs
CyberKongs: Randomizing NFT Traits Using Chainlink VRF
Diff
Easy
Use case 1
NFTs
Use case 2
Use case 3
Type
Tech Talks
Product 1
VRF
Product 2
Product 3
Sub Product 1
Explore All
Type
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