Knowledge Base
In-depth articles, guides, and explainers about Duel referral codes, crypto casino mechanics, and related topics.
Understanding House Edge — How Casinos Make Money
A complete educational guide to house edge. What it is, how it's calculated, why it matters for your bankroll, and how rakeback offsets it.
Crypto Casino Terminology — Essential Glossary for New Players
A comprehensive glossary of crypto casino terms including rakeback, house edge, RTP, provably fair, wagering requirements, and more. Essential reading before you play.
Referral Code vs Promo Code — What is the Difference?
A clear comparison of referral codes and promo codes. Understanding the difference helps you know which type of offer to look for and when each applies.
Understanding RTP — Return to Player Explained for Crypto Casino Players
A complete educational guide to Return to Player (RTP) in casino gaming. What it means, how it is calculated, how it relates to house edge, and what 100% RTP means.
FUSE Referral Code Explained — Alternative Duel.com Code
Complete guide to the FUSE referral code for Duel.com. What it offers, how to use it, and how it compares to DUEL5.
DUEL5 Explained — Everything About the Primary Duel Referral Code
A complete breakdown of the DUEL5 referral code for Duel.com. What it is, what it unlocks, how to use it, and why it's the best code available.
What is a Referral Code?
A complete definition of what a referral code is, how it works across different industries, and how crypto casinos like Duel use them to reward new users.