A - D
Airdrop Beginner
Getting free tokens sent to your wallet, usually as a promotion.
Technical
Alpha Intermediate
Insider or early information that gives a trading advantage.
Trading
Ape / Aping In Beginner
Buying impulsively without research, usually from FOMO.
Origin: Popularized on r/wallstreetbets
"A new coin launched and everyone is aping in."
Culture
ATH / ATL Beginner
All-Time High / All-Time Low price.
"Bitcoin just hit a new ATH of $108,000!"
Trading
Bagholder Beginner
Someone stuck holding a coin that lost significant value.
Trading
Bear / Bearish Beginner
Believing prices will fall. Bear Market = sustained decline.
Trading
Bitcoin Maximalist Intermediate
Someone who believes Bitcoin is the only cryptocurrency worth holding.
Culture
Block Reward Intermediate
The BTC miners receive for validating a new block. Currently 3.125 BTC after the 2024 halving.
Technical
Bridge Advanced
A protocol that connects two blockchains, allowing asset transfers.
DeFi
Bull / Bullish Beginner
Believing prices will rise. Bull Market = sustained increases.
Trading
Buy the Dip Beginner
Buying when prices drop, expecting recovery.
Origin: Classic Wall Street mentality adopted by crypto
"BTC dropped 15%? Time to buy the dip!"
Trading
CEX Beginner
Centralized Exchange like Coinbase or Binance.
Technical
Cold Storage Beginner
Keeping crypto offline (hardware wallet, paper wallet) for maximum security.
Technical
Confirmation Intermediate
Each new block added after your transaction, making it more secure.
Technical
DAO Advanced
Decentralized Autonomous Organization - community-governed by token holders.
Origin: The DAO hack of 2016 led to the Ethereum fork
DeFi
DCA Beginner
Dollar Cost Averaging - investing fixed amounts at regular intervals.
"I DCA $100 into Bitcoin every week."
Trading
DeFi Intermediate
Decentralized Finance - financial services on blockchains without banks.
Origin: Exploded during "DeFi Summer" of 2020
DeFi
DEX Intermediate
Decentralized Exchange like Uniswap - trade without a middleman.
DeFi
Diamond Hands Beginner
Refusing to sell despite crashes or volatility.
"Diamond hands through this 30% dip! 💎🙌"
Culture
DYOR Beginner
Do Your Own Research before investing.
Culture
E - G
Euphoria Intermediate
Final stage of a bull market where everyone is irrationally optimistic.
Trading
Exit Scam Intermediate
When a project team disappears with investors' funds.
Trading
Fiat Beginner
Government-issued currency like USD, EUR, GBP - not backed by a commodity.
Technical
Flash Loan Advanced
Borrowing and repaying within a single transaction - used in DeFi exploits.
DeFi
Flippening Intermediate
The hypothetical moment when Ethereum's market cap surpasses Bitcoin's.
Origin: Ethereum community coined the term around 2017
Culture
FOMO Beginner
Fear Of Missing Out - buying high because you're afraid of missing gains.
Origin: Primary psychological driver of crypto bull runs
Culture
FUD Beginner
Fear, Uncertainty, and Doubt - negative news spread to lower prices.
Culture
Gas Fees Beginner
Transaction fees paid to validators on networks like Ethereum.
Technical
Genesis Block Intermediate
The very first block of a blockchain. Bitcoin's was mined Jan 3, 2009.
Technical
GM / GN Beginner
Good Morning / Good Night - ritualistic Crypto Twitter greetings.
Culture
Governance Token Intermediate
A token that gives holders voting power over protocol decisions.
DeFi
H - M
Halving Beginner
Bitcoin mining reward cut in half every ~4 years. Next: ~2028.
Technical
Hash Rate Intermediate
Total computational power securing a blockchain network.
Technical
HODL Beginner
Hold On for Dear Life - refusing to sell through crashes.
Origin: 2013 drunken typo on BitcoinTalk by GameKyuubi
"Market crashed 40%? HODL! We've seen this before."
Culture
Honey Pot Advanced
A scam token coded so you can buy but never sell.
Trading
ICO Intermediate
Initial Coin Offering - fundraising by selling new tokens.
Trading
Impermanent Loss Advanced
Loss from providing liquidity when token prices change vs just holding.
DeFi
KYC Beginner
Know Your Customer - identity verification required by regulated exchanges.
Technical
Lambo / Wen Lambo Beginner
Asking when profits will be enough to buy a Lamborghini.
Culture
Layer 1 / Layer 2 Intermediate
L1 is the main blockchain (Bitcoin, Ethereum). L2 is built on top for speed (Lightning Network).
Technical
Liquidity Intermediate
How easily an asset can be bought/sold without affecting price.
Trading
Liquidity Pool Advanced
Tokens locked in a smart contract to enable DEX trading.
DeFi
Maxi / Maximalist Beginner
Someone who believes strictly in the superiority of one coin.
Culture
Memecoin Beginner
A cryptocurrency based on internet memes with no real utility.
"Dogecoin is the OG memecoin, started as a joke in 2013."
Culture
Mempool Intermediate
The waiting room for unconfirmed Bitcoin transactions.
Technical
Mining Beginner
Using computational power to validate transactions and earn rewards.
Technical
Moon / Mooning Beginner
When a coin's price is skyrocketing.
Culture
N - R
NGMI Beginner
Not Gonna Make It - dismissing bad strategies or early sellers.
Culture
No-coiner Beginner
Someone who doesn't own any cryptocurrency.
Culture
Node Intermediate
A computer that maintains a copy of the blockchain and validates transactions.
Technical
Not Your Keys, Not Your Coins Beginner
If you don't control your private keys, you don't truly own your crypto.
Origin: Popular after Mt. Gox and FTX collapses
Culture
Oracle Advanced
A service that brings real-world data onto the blockchain (e.g. Chainlink).
DeFi
OTC Intermediate
Over-The-Counter - large trades done privately, off the exchange order book.
Trading
Paper Hands Beginner
Someone who sells at the first sign of trouble. Opposite of Diamond Hands.
Culture
Private Key Beginner
A secret code that proves ownership and allows spending of your crypto.
Technical
Proof of Stake (PoS) Intermediate
Consensus mechanism where validators stake tokens instead of mining.
Technical
Proof of Work (PoW) Intermediate
Consensus mechanism where miners solve puzzles. Used by Bitcoin.
Technical
Pump and Dump Beginner
Coordinated buying to inflate price, followed by mass sell-off.
Trading
REKT Beginner
Slang for "wrecked" - losing a lot of money on a trade.
Culture
Rug Pull Beginner
Developers abandon a project and drain the liquidity.
Trading
Runes Advanced
A protocol for creating fungible tokens on Bitcoin, launched 2024.
Technical
S - Z
SAFU Beginner
Secure Asset Fund for Users - meaning funds are safe.
Origin: Binance CEO CZ's assurance "Funds are safu"
Culture
Satoshi / Sats Beginner
The smallest unit of Bitcoin (0.00000001 BTC). Named after the creator.
Technical
Seed Phrase Beginner
12 or 24 word recovery phrase for your wallet. NEVER share it.
Technical
Shill / Shilling Beginner
Aggressively promoting a coin for personal gain.
Culture
Shitcoin Beginner
A coin with no real value, utility, or potential.
Culture
Slippage Intermediate
The difference between expected and actual trade execution price.
Trading
Smart Contract Intermediate
Self-executing code on a blockchain that runs when conditions are met.
Technical
Stablecoin Beginner
Crypto pegged to a stable asset like USD (e.g. USDT, USDC).
Technical
Staking Beginner
Locking tokens to support a network and earn rewards.
DeFi
To the Moon Beginner
Believing the price will go significantly higher 🚀
Culture
Tokenomics Intermediate
The economics of a token - supply, distribution, utility, burn mechanisms.
DeFi
TVL Intermediate
Total Value Locked - the total amount of assets deposited in a DeFi protocol.
DeFi
UTXO Advanced
Unspent Transaction Output - how Bitcoin tracks balances (not account-based).
Technical
Validator Intermediate
A node that confirms transactions on Proof of Stake networks.
Technical
Vaporware Intermediate
A project that promises features but never delivers.
Culture
WAGMI Beginner
We Are All Gonna Make It - a community rallying cry during hard times.
Culture
Whale Beginner
An entity holding massive amounts of crypto, able to move markets.
"A whale just moved 5,000 BTC to Coinbase. Dump incoming?"
Trading
Wrapped Token Advanced
A token representing another asset on a different blockchain (e.g. WBTC).
DeFi
Yield Farming Advanced
Moving assets between DeFi protocols to maximize returns.
Origin: Popularized in DeFi Summer 2020
DeFi