Gambling and crypto each come with their own vocabulary. Put them together and new players often feel like they are learning two languages at once. This crypto casino glossary fixes that by bringing the most important crypto-casino, betting, blockchain, and player-slang terms into one place.
NOTE: For crypto casino glossary terms, technical definitions below are standardized against blockchain documentation and gambling-regulator terminology.
Crypto Casino Glossary Terms (A-Z)
A
Action — The total amount of money wagered, or a dealer’s way of saying it is your turn to bet.
Acquisition — In iGaming, the process of attracting new players to a casino or sportsbook through ads, affiliates, SEO, bonuses, and other marketing channels.
Administration / Back Office — The operator-facing side of a gambling platform used to manage players, games, payments, reports, fraud controls, and bonuses.
Affiliate Marketing — A performance model where partners send traffic or players to a gambling site and earn commission for sign-ups, deposits, or revenue generated.
Aggregator — A platform or service that bundles games from multiple studios into one integration for the operator.
AML (Anti-Money Laundering) — Rules, checks, and monitoring systems used to prevent gambling platforms from being used for money laundering or other financial crime.
Read More: KYC in Crypto Casinos: When It Happens and Why
B
Back on the Game — A phrase for someone returning to gambling after stepping away.
Backer — A person who funds another player’s action, usually in poker or high-stakes gambling, in return for a share of profits.
Baccarat — A card game where players bet on the Player, Banker, or Tie result.
Bankroll — The money a player sets aside specifically for gambling.
Bankroll Management — The discipline of controlling bet size and session spending so you do not burn through your funds too quickly.
Bet — A wager placed on a game, event, or outcome.
Betting Exchange — A platform where players bet against each other rather than against the house.
Betting Odds — The pricing of an outcome’s probability, commonly shown in decimal, fractional, or American format.
Bitcoin (BTC) — The first and best-known cryptocurrency, widely used for casino deposits and withdrawals.
Bitcoin Casino — A casino that accepts Bitcoin, often as a core payment method rather than a side option.
Blackjack — A card game where players try to reach 21, or as close as possible without busting, while beating the dealer.
Blood Game — Slang for a ruthless, high-stakes poker game.
Blockchain — A distributed ledger that records transactions across a network rather than a single central database. It underpins cryptocurrencies and many provably fair or smart-contract gambling systems.
Bookmaker / Bookie — A company or person that sets odds and accepts sports bets.
Bonus — Extra value offered by a casino, such as free spins, deposit matches, cashback, or free bets.
Bonus Abuse — Exploiting promotional offers in bad faith, often through multi-accounting, syndicates, or bonus-looping behavior.
Bust — In blackjack, going over 21. In poker or gambling slang, losing your bankroll or all chips.
Buy-In — The amount needed to enter a cash game, tournament, or gambling session.
C
Cashback — A bonus that returns a portion of a player’s net losses over a period.
Cash Out — Settling a sports bet early before the event has finished.
Card Counting — A blackjack strategy where players track the ratio of high to low cards still left in the shoe.
Chips — Betting units used at table games. In online casinos, these are virtual, but the concept is the same.
Coin — A cryptocurrency that runs on its own blockchain, such as Bitcoin or Ethereum.
Cold / Hot — Gambling slang. “Cold” means losing streaks or low payouts; “hot” means a winning run or a game that seems to be paying frequently.
Cold Wallet — A wallet kept offline for stronger security, usually used for long-term storage of crypto.
Comped — Given complimentary rewards by a casino, such as drinks, free play, rooms, or VIP perks.
Consensus Mechanism — The method a blockchain uses to validate transactions and keep the network in agreement, such as Proof of Work or Proof of Stake.
Crash Gambling — A game where a multiplier rises in real time and can crash at any second. Players must cash out before the crash.
Crypto Casino — An online casino that accepts cryptocurrencies and often offers faster payouts, privacy-focused payments, and blockchain-linked features.
Crypto Gambling Bots — Automated tools that place bets according to preset strategies.
Crypto Plinko — A crypto-gambling version of Plinko where a ball drops through pins and lands on a payout multiplier.
Crypto Prediction Market — A platform where users wager on future outcomes such as elections, prices, or sports, usually by buying and selling market positions.
Crypto Wallet — Software or hardware used to store, send, and receive cryptocurrencies. Wallets can be hot or cold, custodial or non-custodial.
Curaçao Gaming License — A gambling license commonly used by many online casinos operating internationally from Curaçao.
Custodial Wallet — A wallet where a third party controls the private keys on the user’s behalf. That makes it convenient, but not fully self-controlled.
D
dApp (Decentralized Application) — An application that runs on blockchain infrastructure rather than a traditional central server. In gambling, dApps can power decentralized betting or casino products.
Dealer — The person, live or digital, who runs the table game.
Decentralized Finance (DeFi) — Blockchain-based financial services without traditional banks or intermediaries, including lending, swaps, yield products, and other on-chain tools.
Deposit — Money or crypto added to a player account for use on the site.
Deposit Bonus — A bonus tied to making a deposit, usually expressed as a percentage match.
Deposit Limit — A player-set or operator-set cap on how much can be deposited in a day, week, or month.
Digital Wallet / E-Wallet — A payment wallet such as Skrill, Neteller, or similar services used for deposits and withdrawals.
Doubling Down — In blackjack, doubling the original bet after seeing the first two cards, then taking only one additional card.
Drop — The total amount of money collected by the casino from players before winnings are paid out.
E
Edge — Any measurable advantage. Usually this refers to the casino’s mathematical advantage, but it can also mean a player advantage.
Electronic Wallet (E-Wallet) — Same meaning as digital wallet.
Ethereum (ETH) — A blockchain platform that supports smart contracts and decentralized apps; its native asset is ETH.
Expected Value (EV) — The theoretical long-term value of a bet, bonus, or decision.
F
Faucet — A feature that gives players tiny amounts of free crypto, usually as a promo or onboarding tool.
Fever — Slang for a $5 card or bet in some gambling circles.
Fibonacci Roulette — A progression betting system based on the Fibonacci number sequence.
Filet Gumbo — Slang for a full house in poker.
Free Bet — A sportsbook bonus wager that does not use the player’s own money.
Free Spins — Complimentary spins on a slot, often part of a welcome or reload offer.
G
Gas Fee — The fee paid to process a blockchain transaction. On Ethereum and similar networks, users pay gas so validators can include their transaction.
Gaming dApp — A decentralized application built specifically for gambling or gaming use.
GGR (Gross Gaming Revenue) — The total money wagered minus player winnings, before other costs are deducted.
H
Handle — The total amount wagered on a game, market, or sportsbook event.
High Roller — A player who bets large amounts and is often rewarded with premium perks.
Hold Percentage — The share of wagered money a casino retains over time.
House — The casino or sportsbook itself.
House Edge — The built-in mathematical advantage that ensures the casino makes money over the long run.
Hot Wallet — A crypto wallet connected to the internet. It is convenient but more exposed than cold storage.
I
iGaming — Online gambling in all its forms: casino, poker, sports betting, bingo, lottery, and more.
Instant Game — A quick-play game that resolves in seconds, such as crash, dice, mines, plinko, or scratch cards.
J
Jackpot — A large top prize, often linked to slots or specific rare outcomes.
Jackpot Meter — The display showing the current value of a jackpot, especially progressive jackpots.
Juice / Vig / Vigorish — The bookmaker’s commission built into odds.
Junket — A VIP gambling trip, often organized for high-value players.
K
Kelly Criterion — A staking formula used to size bets mathematically based on perceived edge.
Keno — A lottery-style numbers game.
KPI (Key Performance Indicator) — A metric used by operators to track performance, such as deposits, retention, or conversion.
KYC (Know Your Customer) — Identity verification used to confirm who a player is and meet legal, security, and compliance obligations. UKGC rules require age and identity verification for regulated operators before gambling activity can proceed.
Read More: KYC in Crypto Casinos: When It Happens and Why
L
Licensing Authority — The regulator that issues and oversees gambling licenses.
Live Casino / Live Dealer Games — Real dealers streamed in real time, allowing players to bet online while watching an actual table.
Loss Limit — A responsible-gambling setting that restricts how much a player can lose over a time period.
LTV (Player Lifetime Value) — The estimated total value a player generates over their full lifecycle with a site.
M
Malta Gaming License — A gambling license issued by the Malta Gaming Authority (MGA), one of the best-known regulators in online gambling.
Martingale System — A progression strategy where the player doubles the next bet after every loss.
Match Bonus — A bonus that matches part or all of a deposit, such as 100% up to a set amount.
Max Bet — The highest allowed wager on a game or under a bonus term.
Miner — In a Proof of Work system, a network participant who uses computing power to validate transactions and add blocks.
Multiplier — A feature that increases winnings by a stated factor, such as 2x, 5x, or 100x.
N
NGR (Net Gaming Revenue) — The operator’s revenue after player winnings and some deductions such as bonuses or fees.
No Deposit Bonus — A bonus given without requiring an initial deposit.
No KYC Casino — A casino that allows some level of play without immediate identity verification. This appeals to privacy-focused users, but it also raises trust, withdrawal, and compliance questions.
Non-Custodial Wallet — A wallet where the user alone controls the private keys.
Non-Sticky Bonus — A bonus where the deposit is treated as withdrawable first, while the bonus remains separate.
O
Odds — The probability-based pricing of a bet, which determines the payout.
Online Casino — A digital gambling platform offering slots, table games, live casino, or related betting products.
Overlay — A situation where a guaranteed prize pool exceeds the money collected from entries, creating extra value for players.
P
Parlay — A combined bet where all legs must win for the ticket to pay.
Paroli System — A positive progression strategy where the player increases bets after wins rather than losses.
Payout — The amount returned when a player wins.
Payline — The pattern or line on a slot where matching symbols must land to produce a win.
Pit Boss — The floor supervisor who oversees table games.
Player Retention — The process of keeping players active over time.
PoS (Proof of Stake) — A consensus model where validators stake coins or tokens to help secure the network and process transactions. Ethereum now uses Proof of Stake.
PoW (Proof of Work) — A consensus model where miners use computing power to secure the network and validate transactions. Bitcoin is the best-known PoW network.
Private Key — The secret cryptographic key that gives control over crypto funds. Whoever has the private key controls the wallet.
Progressive Jackpot — A jackpot that increases as more players wager.
Provably Fair — A system that lets players verify that game outcomes were not manipulated, usually through cryptographic seeds, hashes, or on-chain logic. It is one of the defining trust features of crypto gambling.
PSP (Payment Service Provider) — A service that handles deposits, withdrawals, routing, and transaction processing.
Public Key — A cryptographic key or address used to receive funds. It pairs with a private key but does not reveal it.
Read More: Provably Fair Explained: How Players Can Verify Results
R
Railbirds — Spectators who watch games without taking part.
Random Number Generator (RNG) — The software system that produces random outcomes in online casino games such as slots, roulette, and many digital table games. In crypto casinos, RNG is often mentioned alongside provably fair verification, but they are not the same thing: RNG creates randomness, while provably fair lets the player audit the fairness claim.
Reality Check — A responsible-gambling tool that reminds players how long they have been playing and sometimes how much they have spent.
Reload Bonus — A repeat-deposit bonus offered after the welcome phase.
Responsible Gaming — Policies and tools that help players gamble safely, including time limits, deposit limits, cooling-off periods, and self-exclusion.
Roll Over — Reusing winnings or bonus balance for further betting; also shorthand for wagering requirements.
Rounders — Players who move between games or rooms looking for the best spot.
RTP (Return to Player) — The theoretical percentage of total wagers that a game pays back to players over the long run. If a slot has 96% RTP, the house edge is 4%.
Read More: RTP, House Edge, and Variance: Casino Math for Humans
S
Scatter Symbol — A slot symbol that typically triggers free spins or a bonus feature regardless of paylines.
Seed Phrase — A recovery phrase, usually 12 to 24 words, used to restore access to a wallet if the original device is lost. Protecting it is critical.
Self-Exclusion — A player protection tool that blocks access to gambling for a set period or permanently.
Smart Contract — Self-executing code on a blockchain that runs automatically when predefined conditions are met. In gambling, smart contracts can handle game logic, bet settlement, or payouts without a traditional intermediary.
Slots — Reel-based casino games driven by RNG or similar systems.
Sportsbook — A platform where users place bets on sports events and markets.
Stake — The amount risked on a single bet.
Stud Poker — A poker variant where players receive a mix of face-up and face-down cards instead of community cards.
T
Table Games — Casino games played at a table, such as blackjack, roulette, baccarat, and poker variants.
Toke — A tip given to a dealer.
Token — A crypto asset that exists on top of another blockchain rather than running its own independent chain.
Transaction — A transfer of cryptocurrency from one address or wallet to another, recorded on the blockchain.
Transaction Monitoring — Ongoing review of account and payment activity to spot unusual, risky, or suspicious behavior.
Turnkey Solution — A ready-made gambling platform package that includes software, payments, games, and operational infrastructure.
V
Validator — In a Proof of Stake network, the participant that helps confirm transactions and maintain the chain.
Variance — The degree to which short-term results swing above or below the long-run theoretical average. High-variance games can have long dry spells and very large wins; low-variance games usually pay smaller amounts more often.
VIP Bonus — A bonus reserved for loyal or high-value players.
VIP Program — A tiered loyalty structure offering perks such as cashback, hosts, better withdrawal speeds, or exclusive promos.
Volatility — Usually used in slots to describe how often a game pays and how large those wins tend to be. In practice, “volatility” and “variance” are often used interchangeably by players, though slot providers sometimes use volatility more as a product label than a strict statistical measure.
Read More: RTP, House Edge, and Variance: Casino Math for Humans
W
Wager — Another word for a bet.
Wagering Requirement — The number of times a player must play through bonus funds before they become withdrawable.
Welcome Bonus — A bonus offered to new players when they sign up and/or make a first deposit.
Whale — A very wealthy, very high-stakes gambler.
White Label — A ready-made gambling platform that another brand can re-skin and market as its own.
Wild Symbol — A slot symbol that substitutes for others to help complete winning combinations.
Withdrawal — Moving funds from the casino back to the player’s chosen payment method or wallet.
Y
Yeast Raise — Poker slang for a re-raise; “making the pot rise.”
Z
Z-Game — Slang for the smallest available game or betting level.
Zombie — A poker player who gives away almost no emotional cues or tells.
Notes:
A few pairs of terms are often confused:
- RTP vs House Edge: they are two sides of the same coin.
- RNG vs Provably Fair: RNG produces the result; provably fair helps the player verify the fairness claim.
- Coin vs Token: a coin has its own blockchain; a token lives on another chain.
- Custodial vs Non-Custodial Wallet: custodial means someone else holds the keys; non-custodial means you do.
- Hot Wallet vs Cold Wallet: hot is online and convenient; cold is offline and safer for storage.
Read More: Casino Security 101: Wallet Safety, Account Security, Scams.
Take the Lead, Gamble Responsibly
Gambling should always be entertainment – never a source of income or a way to solve financial problems. Set your limits before you play, stick to them during the session, and walk away when it stops being fun. If you ever feel like your gambling is becoming stressful, overwhelming, or difficult to control, you’re not alone — and help is available. Reach out to a trusted person in your life, use platform tools like deposit limits and self-exclusion, or visit our Responsible Gambling page for guidance and support resources.