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Casino Terms Glossary
Coin — is the base betting unit in slots and some video poker, defining how many credits you stake and how payouts are calculated. Players set coin value (denomination) and coins per line to form a total bet. In casino gambling, coin size directly scales risk, volatility, bankroll consumption and potential returns.

Understanding Coin
In gambling, Coin meaning centers on denomination and accounting. The Coin definition used by casinos treats a coin as a credit unit you multiply by lines or hands to get your stake, and as the base for paytable amounts. Choosing a higher coin value increases real-money exposure per spin, while the number of coins controls eligibility for features, jackpots, or bonus tiers. At 101RTP, you can compare slot reviews and use our Slot Simulator and Bonus Value Score to test coin values, see probable outcomes, and align bet sizing with your bankroll.
Examples of Coin
These examples show how Coin works across casino games:
- Slot denomination: coin value $0.01, 25 lines, 3 coins per line = 75 coins bet = $0.75 per spin.
- Video poker: betting 5 coins maximizes the royal flush payout; 1 coin pays less on the top hand.
- Progressive slots: “max coins” required to qualify for the jackpot; playing fewer coins reduces eligibility or prize size.
- Crypto gambling: some sites call BTC, ETH, or USDT your “coin”; a bet might be 0.0001 BTC, with paytable amounts shown in that coin.
FAQs
What is Coin in slots and casino gambling?
In slots, Coin is the credit unit that combines with coin value and lines to produce a total bet, and it sets how paytable wins are expressed. The practical what is answer: coin value translates each credit into real money, so changing it scales both risk and potential payouts for the player.
How does coin value affect payouts and bankroll?
Coin value determines how much each credit is worth in your currency. A higher coin value makes every spin cost more and every win pay more, increasing volatility and bankroll swing. A lower coin value stretches session length by reducing exposure per spin but also reduces the size of wins.
Can Coin mean cryptocurrency at online casinos?
Yes. Some gambling sites use Coin to refer to crypto like BTC, ETH, or USDT. Your balance, bets, and paytable may be shown in that coin. At 101RTP, our reviews flag when “coin” means cryptocurrency and explain deposit, volatility, and conversion considerations for players.
Is Coin the same as credit or denomination?
Often, yes. Many machines show credits (coins) instead of cash, and denomination is the coin value that converts credits to currency. The Coin definition in this context: credits × coin value × lines or hands = total bet. Checking denomination helps you avoid overbetting by accident.
Do I need to bet max coins to qualify for jackpots or features?
On some slots and video poker, maximum prizes or progressives require max coins. If you bet fewer coins, you might still win but for reduced amounts or without jackpot eligibility. Always read the game’s rules to see whether coin count affects bonus triggers or top paytable lines.
Why do casinos track coin-in and coin-out?
Coin-in is total credits wagered; coin-out is credits paid back. These metrics show true action and help casinos evaluate player value, comps, and risk. For you, tracking them clarifies turnover and expected bankroll drift, which is vital for strategy decisions across slot, table, and video poker play.
How can I pick the right Coin settings for my strategy?
Match coin value to your bankroll and session goals, then choose coin count for eligibility and variance. Test several setups to find a comfortable speed of play. 101RTP’s Slot Simulator and Bonus Value Score help you model outcomes, compare casinos, and identify settings that fit your risk tolerance.