Crypto Casino Glossary
Definitions of every key term used in crypto gambling and on Rainbet.
By James Carter · Last updated: June 23, 2026
A
- Affiliate Code
- A code created by a Rainbet affiliate (partner or influencer) that gives new players a bonus when they sign up. The code is tied to the affiliate's account, and the affiliate earns commission when players use it. Examples include ORANGIE, WELC, MAXRAIN, and DEP5.[See guide]
B
- Bankroll
- The total amount of money a player sets aside specifically for gambling. Effective bankroll management means never wagering more than you can afford to lose and setting strict session limits.[See guide]
- Bitcoin (BTC)
- The world's first and most widely used cryptocurrency. Bitcoin is accepted on Rainbet for deposits and withdrawals and is the most common crypto used at crypto casinos.[See guide]
- Bonus Code
- A code entered during or after registration that unlocks a bonus offer, such as a deposit match or free play credits. On Rainbet, bonus codes are entered at sign-up and activate with the first deposit.[See guide]
C
- Cashout (Cash Out)
- The act of withdrawing winnings from your Rainbet account to your external crypto wallet, or in-game (e.g., in Crash) the button that locks in your current multiplier before the game ends.
- Crash
- A Rainbet original game where a multiplier rises from 1x and can crash at any time. Players must cash out before the crash to secure their winnings. It is provably fair and very popular.[See guide]
- Cryptocurrency
- Digital money that uses cryptography for security and operates on a blockchain. Rainbet accepts Bitcoin, Ethereum, Litecoin, USDT, USDC, Solana, and other cryptocurrencies.[See guide]
D
- Dice
- A Rainbet original game where players bet on the outcome of a virtual dice roll. Players can set their own probability target and adjust the house edge. It is provably fair.[See guide]
E
- Edge (House Edge)
- The mathematical advantage the casino has over the player in the long run. Rainbet original games typically have a house edge of 1%, equivalent to an RTP of 99%.
- Ethereum (ETH)
- The second-largest cryptocurrency by market cap. Ethereum is widely accepted on Rainbet and has faster transaction times than Bitcoin (typically 1–5 minutes).[See guide]
F
- Fiat Currency
- Government-issued currency such as USD, EUR, or GBP. Rainbet is a crypto-only platform and does not accept fiat currency deposits or withdrawals.
H
- Hash / Seed
- In provably fair systems, the hash is a cryptographic value generated before a game outcome. Players can use the hash/seed to verify that outcomes were not altered by the casino.
- House Edge
- See Edge. For Rainbet originals, the house edge is 1% (99% RTP), meaning over a large number of bets, the casino retains 1% of all wagered amounts.
K
- KYC (Know Your Customer)
- Identity verification process. Rainbet generally does not require KYC for standard crypto deposits and withdrawals, making it one of the most accessible platforms for privacy-conscious users.[See guide]
L
- Limbo
- A Rainbet original game where players bet on a target multiplier. The game generates a random multiplier, and the player wins if the result meets or exceeds their chosen target.[See guide]
M
- Mines
- A Rainbet original game based on a grid of tiles. Players reveal tiles to earn multipliers but must avoid hidden mines. Players can choose how many mines are on the grid, affecting risk/reward.[See guide]
P
- Plinko
- A Rainbet original game where a ball is dropped through a pyramid of pegs. The ball bounces randomly into slots with different multiplier values. Risk level can be adjusted.[See guide]
- Promo Code
- A promotional code used to unlock bonuses on Rainbet. Promo codes function similarly to referral codes — they are entered at registration and activate a welcome bonus.[See guide]
- Provably Fair
- A cryptographic method used by Rainbet that allows players to independently verify that game outcomes were not manipulated. Uses a combination of server seed, client seed, and nonce to generate outcomes.[See guide]
R
- Rakeback
- A percentage of your total wager returned to you regardless of win or loss. On Rainbet, rakeback rates range from 5% at Bronze VIP to 20%+ at Diamond. It accumulates automatically.[See guide]
- Referral Code
- A unique code provided by a Rainbet affiliate or existing player that new users enter at registration. Referral codes unlock welcome bonuses. The best Rainbet referral code is ORANGIE.[See guide]
- RNG (Random Number Generator)
- Software that generates random outcomes in casino games. Rainbet uses provably fair RNG for its originals, which allows independent verification of every result.
- RTP (Return to Player)
- The percentage of all wagered money a game pays back to players over time. Rainbet originals typically have 99% RTP. Slots vary between 94–98% RTP depending on the provider.[See guide]
S
- Self-Exclusion
- A responsible gambling tool that allows players to temporarily or permanently block themselves from a gambling site. Rainbet offers self-exclusion options in the account settings.[See guide]
- Solana (SOL)
- A high-speed, low-fee blockchain. Solana is supported on Rainbet and is one of the fastest deposit/withdrawal options, with near-instant confirmation times.[See guide]
- Sportsbook
- The sports betting section of Rainbet where players can wager on football, basketball, tennis, eSports, MMA, and other sporting events. Includes pre-match and live betting.[See guide]
- Sports Betting
- Placing wagers on the outcome of sporting events. Rainbet's sportsbook covers major sports globally and accepts crypto deposits for betting.
T
- Tower
- A Rainbet original game where players climb a tower of tiles, revealing safe tiles to increase their multiplier. Higher floors offer bigger multipliers with greater risk.[See guide]
U
- USDT (Tether)
- The world's most widely used stablecoin, pegged to the US Dollar. USDT is accepted on Rainbet via TRC-20 and ERC-20 networks, offering stability compared to volatile cryptos.[See guide]
V
- VIP Program
- Rainbet's loyalty program with five tiers (Bronze, Silver, Gold, Platinum, Diamond) offering increasing rakeback rates and exclusive perks based on total wagering volume.[See guide]
W
- Wagering Requirement
- A condition requiring players to wager a bonus a specified number of times before withdrawing. Rainbet's rakeback has no wagering requirement — it is pure cashback.
- Welcome Bonus
- A reward offered to new players signing up on Rainbet. Using code ORANGIE, players can receive up to $2,100 on their first deposit. The welcome bonus activates automatically.[See guide]
- Whale
- An informal term for a high-stakes gambler who places very large bets. Rainbet's VIP program offers custom perks and higher rakeback for whale-level players.
Looking for more Rainbet guides? See our Rainbet Code page, Rainbet Review, or the FAQ.