Crypto gambling combines the terminology of two complex worlds — cryptocurrency and online gambling. Whether you are reading our beginner's guide, exploring DeFi gambling, or diving into crypto poker strategy, this glossary provides quick definitions for every term you will encounter.
A
- Address
- A string of letters and numbers that identifies a cryptocurrency wallet, similar to a bank account number. You share your public address to receive crypto. Each blockchain uses its own address format.
- Airdrop
- Free distribution of cryptocurrency tokens or NFTs to wallet addresses, often as a marketing promotion or reward for early adopters. Some gambling platforms airdrop tokens to active players.
- Altcoin
- Any cryptocurrency other than Bitcoin. Ethereum, Litecoin, Solana, and thousands of others are all altcoins. Many crypto gambling platforms accept multiple altcoins for deposits.
- AML (Anti-Money Laundering)
- Regulations requiring financial institutions and gambling platforms to detect and prevent money laundering. AML compliance is why exchanges and some gambling platforms require identity verification.
- Anonymous Gambling
- Gambling without providing personal identity information. Some crypto platforms allow play with only a wallet connection and no KYC verification. Privacy levels vary from pseudonymous to fully anonymous.
- APY (Annual Percentage Yield)
- The annual return on an investment including compound interest. In GambleFi, APY is used to express the expected return from staking tokens or providing liquidity to house pools.
B
- Bankroll
- The total amount of money set aside specifically for gambling. Proper bankroll management means sizing bets as a small percentage of your total bankroll to withstand variance.
- Bitcoin (BTC)
- The first and most well-known cryptocurrency, created in 2009. Bitcoin is universally accepted at crypto gambling platforms but has slower transaction times and higher fees than newer alternatives.
- Block
- A batch of transactions bundled together and added to the blockchain. Bitcoin creates a new block approximately every 10 minutes; Ethereum approximately every 12 seconds.
- Block Confirmation
- Each new block added after the block containing your transaction counts as one confirmation. More confirmations mean greater certainty that the transaction is permanent. Gambling platforms require 1-20+ confirmations before crediting deposits.
- Blockchain
- A distributed digital ledger that records all transactions across a network of computers. Each block is cryptographically linked to the previous one, creating a tamper-proof chain of records.
- Bonus Wagering
- The requirement to bet a certain multiple of a bonus amount before you can withdraw it. A 30x wagering requirement on a $100 bonus means you must place $3,000 in bets before withdrawing bonus funds.
- Bridge
- A protocol that allows transferring assets between different blockchains. You might use a bridge to move USDT from Ethereum to Solana for cheaper gambling transactions.
- Burn
- Permanently destroying cryptocurrency tokens by sending them to an inaccessible address. Some GambleFi protocols burn tokens using platform revenue to reduce supply and increase value of remaining tokens.
C
- Client Seed
- A random value provided by the player in a provably fair system. Combined with the server seed, it determines the game outcome. Changing your client seed changes future results, proving the platform cannot predetermine outcomes.
- Cold Wallet
- A cryptocurrency wallet that is not connected to the internet, typically a hardware device like a Ledger or Trezor. Cold wallets are the most secure way to store crypto long-term but are less convenient for frequent gambling transactions.
- Crash Game
- A popular crypto gambling game where a multiplier increases from 1x and can crash at any random point. Players cash out before the crash to win. The house edge comes from the crash probability curve.
- Cryptocurrency
- Digital or virtual currency secured by cryptography and typically operating on a decentralized blockchain network. Used in crypto gambling as the deposit, wagering, and withdrawal currency.
- Curacao License
- A gambling license issued by the government of Curacao, a Caribbean island nation. The most common license held by crypto gambling platforms. Curacao licensing has less stringent requirements and enforcement than European regulators like the UKGC or MGA.
D
- DAO (Decentralized Autonomous Organization)
- An organization governed by smart contracts and token holder votes rather than a traditional management team. Some gambling protocols use DAOs to let token holders vote on house edge, game additions, and revenue distribution.
- DeFi (Decentralized Finance)
- Financial services built on blockchain smart contracts without traditional intermediaries. DeFi gambling refers to gambling applications that operate entirely on-chain with no central operator.
- Deposit Address
- The cryptocurrency address provided by a gambling platform where you send your deposit. Always verify the address and network match before sending. A new deposit address may be generated for each transaction.
- DOGE (Dogecoin)
- A cryptocurrency that started as a joke but gained significant popularity. Accepted at some crypto gambling platforms, DOGE has moderate transaction speeds and very low fees.
- Double Spend
- An attempt to spend the same cryptocurrency twice. Blockchains prevent this through consensus mechanisms and confirmation requirements. The reason platforms require confirmations before crediting deposits.
E
- Edge (House Edge)
- The mathematical advantage the house (casino) has over the player, expressed as a percentage of each bet. A 2% house edge means the casino expects to keep $2 of every $100 wagered over the long term.
- ERC-20
- A token standard on the Ethereum blockchain. USDT and USDC both have ERC-20 versions. Transactions on ERC-20 can be expensive due to Ethereum gas fees — often $5-20+ per transaction.
- ETH (Ethereum)
- The second-largest cryptocurrency by market cap and the native token of the Ethereum blockchain. Required for DeFi gambling on Ethereum, and accepted at most crypto gambling platforms.
- Exchange
- A platform where you buy, sell, and trade cryptocurrencies using government currencies or other crypto. Major exchanges include Coinbase, Kraken, and Binance. Exchanges are the entry point for converting dollars to crypto for gambling.
- EV (Expected Value)
- The average amount a player can expect to win or lose per bet over the long run. A bet with positive EV (+EV) is profitable long-term. Casino games are -EV for the player; skilled poker can be +EV.
F
- Faucet
- A website or app that distributes small amounts of cryptocurrency for free. Some crypto casinos offer faucets that drip tiny amounts to your balance for free play, typically to attract new users.
- Fiat
- Government-issued currency like USD, EUR, or GBP. In crypto gambling context, fiat refers to traditional money as opposed to cryptocurrency.
- Floor Price
- The lowest price at which an NFT in a collection is listed for sale. In NFT gambling, the floor price of a VIP pass collection indicates the minimum cost to access the associated benefits.
G
- GambleFi
- The sector of decentralized finance that combines gambling with DeFi tokenomics. GambleFi protocols issue tokens that share gambling revenue with holders, creating investment opportunities tied to platform performance.
- Gas Fee
- The fee paid to process a transaction on the Ethereum blockchain. Gas fees vary with network congestion and can range from under $1 to over $50. This is why many gamblers prefer alternative networks like TRC-20 or Solana.
- GTO (Game Theory Optimal)
- A poker strategy that is mathematically unexploitable. GTO play is the theoretically perfect strategy that no opponent can consistently beat. Relevant to crypto poker strategy discussions.
H
- Hash
- A fixed-length string of characters generated by a cryptographic function. In provably fair gambling, the server seed hash is published before the bet, proving the outcome was predetermined and not altered after the player acts.
- HODL
- Crypto slang for holding cryptocurrency long-term rather than selling. Originally a misspelling of "hold." Relevant to bankroll management decisions — holding BTC vs converting to stablecoins for gambling.
- Hot Wallet
- A cryptocurrency wallet connected to the internet, such as a mobile app or browser extension. Convenient for frequent transactions but more vulnerable to hacking than cold wallets.
- House Edge
- See Edge. The mathematical percentage advantage the gambling platform has over players. In provably fair crypto games, the house edge is coded into the smart contract and publicly verifiable.
- HUD (Heads-Up Display)
- Software that overlays real-time statistics on a poker table, showing data on opponents' playing tendencies. Many crypto poker rooms use anonymous tables that prevent HUD usage.
I
- ICM (Independent Chip Model)
- A mathematical model used in poker tournaments to calculate the monetary value of a player's chip stack based on prize pool distribution. Critical for tournament strategy at crypto poker rooms.
- Impermanent Loss
- A temporary loss experienced by liquidity providers when the price of deposited tokens changes relative to when they were deposited. Relevant to dual-sided GambleFi liquidity pools.
K
- KYC (Know Your Customer)
- Identity verification procedures required by regulations. Involves providing government ID, selfie, and sometimes proof of address. Exchanges always require KYC; crypto gambling platforms vary from no KYC to full verification.
L
- Layer-2 (L2)
- A secondary protocol built on top of a main blockchain (Layer-1) that processes transactions faster and cheaper. Examples include Arbitrum, Optimism, and Base (built on Ethereum). Increasingly used for faster, cheaper gambling transactions.
- Lightning Network
- A Layer-2 payment network built on top of Bitcoin that enables near-instant, near-free transactions. Some gambling platforms accept Lightning deposits, eliminating Bitcoin's typical 10-60 minute wait.
- Liquidity Pool
- A pool of cryptocurrency locked in a smart contract that provides funds for DeFi operations. In gambling, liquidity pools serve as the house bankroll, and providers earn a share of the house edge.
- Litecoin (LTC)
- A cryptocurrency created as a faster, cheaper alternative to Bitcoin. Widely accepted at gambling platforms with 2-5 minute transaction times and fees under $0.10.
M
- Memecoin
- A cryptocurrency created as a joke or based on internet memes (DOGE, SHIB, PEPE). Some gambling platforms accept memecoins, and memecoin gambling has become its own niche sector.
- MetaMask
- A popular browser extension and mobile cryptocurrency wallet. Commonly used to connect to DeFi gambling platforms and NFT marketplaces. Supports Ethereum and EVM-compatible chains.
- Mining Fee
- Another term for network or transaction fee — the cost paid to miners or validators who process your transaction on the blockchain.
- Multiplier
- The factor by which your bet is multiplied if you win. A 2x multiplier on a $10 bet returns $20. Crash games feature increasing multipliers that the player must cash out before the crash.
N
- NFT (Non-Fungible Token)
- A unique digital asset on a blockchain that cannot be exchanged one-for-one with another (unlike fungible tokens like BTC or USDT). In gambling, NFTs serve as VIP passes, in-game assets, and revenue-sharing instruments.
- No-KYC
- Platforms that do not require identity verification. No-KYC gambling sites allow play with only a wallet connection or basic account creation. Often have lower withdrawal limits than KYC-verified accounts.
- Node
- A computer that participates in a blockchain network by validating and relaying transactions. Running a full node means maintaining a complete copy of the blockchain.
- Nonce
- A number used once in cryptographic operations. In provably fair gambling, the nonce increments with each bet, ensuring different outcomes even with the same seeds, creating a unique result for every wager.
O
- On-Chain
- Transactions or data recorded directly on the blockchain, as opposed to off-chain (processed outside the blockchain). On-chain gambling has every bet recorded on the blockchain for full transparency.
- Oracle
- A service that provides external data to smart contracts. In DeFi gambling, oracles supply random numbers (Chainlink VRF), price feeds, and sports results for on-chain betting resolution.
P
- P2P (Peer-to-Peer)
- Direct transactions between individuals without intermediaries. P2P can refer to buying crypto directly from another person (P2P exchanges) or to poker, which is inherently P2P since players compete against each other.
- Plinko
- A popular crypto casino game where a ball drops through a peg board, bouncing randomly until landing in a slot with a multiplier. Based on the TV game show concept, it is one of the most-played crypto gambling games.
- Private Key
- A secret cryptographic key that proves ownership of a crypto wallet and authorizes transactions. Never share your private key — anyone who has it can spend all funds in your wallet.
- Proof of Stake (PoS)
- A consensus mechanism where validators stake cryptocurrency to verify transactions. Ethereum, Solana, and most modern blockchains use PoS. Validators earn rewards for honest participation and risk losing their stake for dishonesty.
- Provably Fair
- A cryptographic system that allows players to verify that each game result was generated fairly and not manipulated. Uses hashed seeds revealed after the bet to prove the outcome was predetermined.
- Public Key
- A cryptographic key derived from your private key that generates your wallet address. Safe to share — it allows others to send you crypto but does not allow spending.
R
- Rake
- The commission a poker room takes from each pot (typically 2.5-5% up to a cap). Crypto poker rooms generally charge similar rake but return much more via rakeback programs.
- Rakeback
- A percentage of the rake you paid returned to you as a rebate. Crypto poker rooms offer 25-90% rakeback versus 5-15% at traditional sites, making this the primary financial incentive for playing crypto poker.
- RNG (Random Number Generator)
- An algorithm that produces unpredictable numbers for determining game outcomes. Traditional casinos use software RNGs with third-party audits; crypto platforms may use on-chain verifiable randomness (see Provably Fair).
- RTP (Return to Player)
- The percentage of total wagered money a game returns to players over time. An RTP of 96% means the game returns $96 for every $100 wagered on average, with a 4% house edge.
- Rug Pull
- A scam where DeFi protocol developers drain user funds and disappear. In gambling, this means draining the liquidity pool. Warning signs include anonymous teams, unaudited contracts, and excessive admin permissions.
S
- Satoshi
- The smallest unit of Bitcoin, equal to 0.00000001 BTC. Named after Bitcoin's pseudonymous creator, Satoshi Nakamoto. Some gambling platforms display balances in satoshis.
- Seed Phrase
- A sequence of 12 or 24 random words that serves as the master backup for a cryptocurrency wallet. Write it on paper and store it securely. Losing your seed phrase means losing access to your funds permanently.
- Server Seed
- A random value generated by the gambling platform in a provably fair system. The hash of the server seed is shown before the bet; the actual seed is revealed after, allowing verification.
- SHA-256
- A cryptographic hash function used in Bitcoin and many provably fair systems. Converts any input into a fixed 64-character hexadecimal string. Used to hash server seeds before bets are placed.
- Smart Contract
- Self-executing code stored on a blockchain that automatically enforces the terms of an agreement. DeFi gambling uses smart contracts to run games, manage house funds, and pay winners without human intervention.
- SOL (Solana)
- The native cryptocurrency of the Solana blockchain. Known for sub-second transaction times and near-zero fees, making it popular for DeFi gambling applications.
- Stablecoin
- A cryptocurrency designed to maintain a constant value, typically pegged to the US dollar. USDT and USDC are the most popular. Ideal for gambling because your bankroll value does not fluctuate with crypto markets.
- Staking
- Locking up cryptocurrency to support a blockchain network (earning validation rewards) or in a DeFi protocol (earning yield). In GambleFi, staking tokens may earn a share of platform revenue.
- Sui
- A high-performance Layer-1 blockchain with sub-second finality and very low fees. An emerging platform for DeFi gambling protocols seeking speed comparable to Solana.
T
- TRC-20
- A token standard on the Tron blockchain. USDT on TRC-20 is the most popular choice for crypto gambling deposits due to its combination of speed (1-3 minutes), low cost (under $1), and stable value.
- Tether (USDT)
- The largest stablecoin by market cap, pegged to the US dollar. Available on multiple networks (TRC-20, ERC-20, Solana). The most commonly used cryptocurrency for gambling deposits and withdrawals.
- Token
- A cryptocurrency asset that operates on another blockchain's infrastructure. USDT is a token on Ethereum (ERC-20) and Tron (TRC-20). Distinguished from coins like ETH and BTC that are native to their own blockchains.
- Transaction Hash (TXID)
- A unique identifier for a blockchain transaction. Used to track deposits and withdrawals on blockchain explorers. Always save your TXID for troubleshooting and record-keeping.
U
- USDC (USD Coin)
- A stablecoin pegged to the US dollar, issued by Circle (a US-regulated company). Considered more transparent and regulated than USDT. Accepted at many crypto gambling platforms.
- USDT (Tether)
- See Tether. The dominant stablecoin for crypto gambling transactions, especially on the TRC-20 network.
V
- Variance
- The statistical measure of how much results deviate from the expected average. High-variance games (slots, tournaments) produce larger swings; low-variance games (blackjack, cash poker) produce more consistent results.
- Volatility
- In crypto, the degree of price fluctuation. Bitcoin is highly volatile (prices can swing 10%+ in a day). Stablecoins have near-zero volatility. In gambling, volatility describes how frequently and how much payouts deviate from the expected return.
- VPN (Virtual Private Network)
- Software that masks your IP address and encrypts your internet connection. Some players use VPNs to access geo-restricted gambling platforms, though this may violate platform terms of service and local laws.
- VRF (Verifiable Random Function)
- A cryptographic function that generates provably random outputs. Chainlink VRF is the most widely used oracle for providing verifiable randomness to DeFi gambling smart contracts.
W
- Wagering Requirement
- The number of times a bonus must be bet before it can be withdrawn. A $100 bonus with a 30x requirement means you must place $3,000 in total bets before the bonus (or any winnings from it) can be withdrawn.
- Wallet
- Software or hardware that stores your cryptocurrency private keys and lets you send and receive crypto. Types include hot wallets (online, convenient), cold wallets (offline, secure), and custodial wallets (third party holds keys).
- Whale
- A person or entity that holds a very large amount of cryptocurrency or places very large bets. Whale bets can significantly impact DeFi gambling liquidity pools in the short term.
- Withdrawal
- The process of removing funds from a gambling platform to your personal wallet. Crypto withdrawals are typically faster than traditional methods, settling in minutes to hours rather than days.
Y
- Yield
- The return earned on an investment over time. In GambleFi, yield comes from staking tokens or providing liquidity to house pools. Yield is typically expressed as APY (Annual Percentage Yield).
Z
- Zero-Knowledge Proof (ZKP)
- A cryptographic method that proves something is true without revealing the underlying data. Emerging application in gambling for proving bet fairness, age verification, and identity confirmation without disclosing personal information.
Using This Glossary
Bookmark this page and refer back to it as you explore the crypto gambling ecosystem. Our guides cross-reference terms that are defined here, and understanding the vocabulary makes every other resource more accessible.
For practical application of these concepts, start with our beginner's guide for a step-by-step introduction, our buying guide for purchasing crypto, or our deposits and withdrawals guide for moving funds. For security-specific terms in practice, see our security guide. For tax-related terms, see our taxes guide.
Explore the full crypto gambling hub for comprehensive guides on every aspect of gambling with cryptocurrency — from poker and casino games to sports betting and future industry trends.