• Provably Fair
    • Provably Fair Explained
    • How to Verify
    • Seeds, Client Seed, Nonce
    • Common Red Flags
    • Available Verifiers
    • Does PF Mean Safe?
  • Tools
    • Tool Catalog
    • — Provably-fair verifiers —
    • PF Universal Verifier
    • Crash Verifier
    • Dice Verifier
    • Limbo Verifier
    • Roulette Verifier
    • Mines Verifier
    • Plinko Verifier
    • Keno Verifier
    • Hi-Lo Verifier
    • Wheel Verifier
    • Blackjack Shoe Verifier
    • Hash-Chain Auditor
    • Modulo Bias Detector
    • PF Checklist
    • — Casino math —
    • House Edge Table
    • EV Calculator
    • Monte Carlo Simulator
    • Confidence Intervals
    • Hourly Loss Calculator
    • Hands to Certainty
    • Game Comparator
    • — Bankroll & risk —
    • Bankroll Calculator
    • Session Rules Template
    • Kelly Calculator
    • Risk of Ruin
    • Drawdown Probability
    • Stake Progression Simulator
    • Stop-Rules Analyzer
    • Bet Sizing Optimizer
    • Time to Ruin
    • — Bonuses & promos —
    • Bonus EV Calculator
    • Sticky vs Cashable Bonus
    • Free Spins EV
    • Cashback EV
    • Wagering Contribution
    • Bonus Stacking
    • Rakeback EV
    • — Game-specific —
    • Crash Cashout Explorer
    • Dice Multiplier Explorer
    • Mines Payout Matrix
    • Blackjack Trainer
    • Poker Pot Odds
    • Sports CLV + Kelly
    • Roulette Martingale Reality
    • Card Counting Edge
    • — Behavioral —
    • Time on Device
    • Tilt Detector
    • Should I Keep Playing?
    • Deposit Cap Planner
    • Cool-Off Scheduler
    • — Stats / RNG audit —
    • RNG Audit
    • Streak Analyzer
    • Kolmogorov–Smirnov Test
    • Bayesian House Edge
    • — Reference —
    • Glossary
    • Operator Comparator
    • Crypto Deposit Fees
  • Start Here
  • Games
    • Dice
    • Limbo
    • Mines
    • Plinko
    • Wheel
    • CSGO Roulette
    • Keno
    • Hi-Lo
    • — Strategy guides —
    • Crash Strategy
    • Dice Strategy
    • Limbo Strategy
    • Mines Strategy
    • Plinko Strategy
    • Keno Strategy
    • Blackjack Basic Strategy
    • Baccarat Odds
    • Roulette Odds & House Edge
    • Video Poker RTP Basics
    • Casino Dirty Tricks
    • — Playable simulators —
    • Crash
    • All Games
  • Bankroll
    • Risk of Ruin
    • Session Rules (Stops)
    • Timeboxing Sessions
    • Chasing Losses
    • Tilt Triggers
    • Why Martingale Fails
  • Learn
    • — Foundations —
    • RTP vs House Edge
    • Variance & Volatility
    • Probability Basics
    • Common Math Mistakes
    • What Is a House-Edge Table?
    • — Mathematical reference —
    • EV Explained
    • How to Calculate Expected Loss
    • RTP vs Volatility
  • Promos
    • Wagering Requirements
    • Cashback EV
    • Sticky vs Non-Sticky Bonuses
    • Max Cashout Traps
    • Excluded Games & Contribution
    • — Featured operator —
  • Audits
    • Fairness Ledger
    • Methodology
    • — Live audits —
    • Duel.com Fairness Audit
    • Degen.com Fairness Audit
    • — Strategy challenge —
    • Weekly Challenge
    • Challenge Archive
  • About
    • Our Methodology
    • Affiliate Disclosure
    • Responsible Gambling
    • Glossary
  • Try 100% RTP Casino
  • Start Here
  • Methodology
  • What Is RTP?
  • What Is Provably Fair?
  • Gambling Session Rules Template
  • Timeboxing Gambling Sessions
  • Duel.com Fairness Audit — Full Source Code Analysis | ProvablySmart

ProvablySmart teaches the parts of gambling most sites avoid: provably fair verification, expected value thinking, volatility reality, and the fine print that decides whether a promo is worth it. We focus on practical tools, checklists, and clear examples, not hype. Fairness is important, but fairness isn’t profit. We help you understand the model, control exposure with bankroll rules, and approach promos as contracts, not gifts.

Affiliate Disclosure • Responsible Gambling • Glossary

Educational content only. No guaranteed outcomes. 18+ where applicable.

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