Crypto glossary for Australians
Plain-English definitions of 85+ crypto terms, with a focus on what matters to Australian investors — tax, regulation, AUD pricing.
5
A
- AirdropTrading
Free distribution of tokens to wallets, often as a reward for early users.
- All-Time High (ATH)Trading
The highest price an asset has ever reached.
- All-Time Low (ATL)Trading
The lowest price an asset has ever reached.
- AltcoinTrading
Any cryptocurrency other than Bitcoin, ranging from Ethereum to obscure tokens.
- AltseasonTrading
A period when altcoins broadly outperform Bitcoin.
- AMLAustralia
Anti-Money Laundering — the regulatory framework crypto exchanges follow.
- AMMDeFi
Automated Market Maker — the algorithm DEXes use to price trades from liquidity pools.
- APRDeFi
Annual Percentage Rate — yearly return without compounding.
- APYDeFi
Annual Percentage Yield — yearly return including compounding, used to advertise DeFi rates.
- ASIC (Crypto Regulation)Australia
The Australian Securities and Investments Commission, which regulates crypto products that qualify as financial products.
- ATO Crypto TaxAustralia
The Australian Tax Office treats crypto as property; most disposals trigger capital gains tax.
- AUSTRACAustralia
Australia's financial intelligence and AML regulator. All AU crypto exchanges must register with it.
B
- Bear MarketTrading
A sustained period of falling prices and pessimism, usually a 20%+ drawdown.
- BitcoinTechnical
The first and largest cryptocurrency by market cap, created in 2009 by the pseudonymous Satoshi Nakamoto.
- BlockchainTechnical
A distributed, append-only ledger where transactions are grouped into cryptographically linked blocks.
- BridgeTechnical
A protocol that moves assets between different blockchains.
- BTC DominanceTrading
Bitcoin's share of the total crypto market cap. Falling dominance often signals altseason.
- Bull MarketTrading
A sustained period of rising prices and optimism.
C
- Capital Gains Tax (CGT)Australia
Tax on profit when you dispose of crypto. Holding 12+ months may give a 50% individual discount in Australia.
- CBDCAustralia
Central Bank Digital Currency — a government-issued digital dollar. The RBA is researching one for Australia.
- CEXTrading
Centralised Exchange — a company-run crypto trading venue like Binance, Coinbase or Australia's CoinSpot.
- CGT 50% DiscountAustralia
An Australian tax concession halving capital gains for individuals who hold an asset more than 12 months.
- Circulating SupplyTrading
The number of coins currently in public hands and tradable on the market.
- CoinTechnical
A cryptocurrency with its own native blockchain, like BTC or ETH.
- Cold WalletWallets
A wallet kept offline (often hardware) for maximum security against online attacks.
- Crypto WalletWallets
Software or hardware that stores the private keys controlling your crypto.
D
- DAODeFi
Decentralised Autonomous Organisation — a community governed by on-chain token-holder votes.
- DeFiDeFi
Decentralised Finance — financial services like lending, trading and yield, run on smart contracts instead of banks.
- DEXDeFi
Decentralised Exchange — a peer-to-peer marketplace for crypto that runs on smart contracts (e.g. Uniswap).
- Dollar-Cost Averaging (DCA)Trading
Buying a fixed dollar amount on a fixed schedule to smooth out volatility.
F
- Fear & Greed IndexTrading
A 0–100 sentiment gauge for the crypto market. Low = fear, high = greed.
- FOMOTrading
Fear Of Missing Out — buying impulsively because prices are rising fast.
- FUDTrading
Fear, Uncertainty and Doubt — bearish sentiment, often spread to drive prices down.
- FuturesTrading
Contracts that bet on the future price of an asset, often with leverage.
G
H
- HalvingTechnical
A scheduled Bitcoin event roughly every four years that cuts the new-coin reward in half.
- Hardware WalletWallets
A dedicated physical device (e.g. Ledger, Trezor) that signs transactions offline.
- Hash RateTechnical
Total computing power securing a proof-of-work network like Bitcoin.
- HODLTrading
Crypto slang for holding through volatility instead of trading. Originally a typo of "hold".
- Hot WalletWallets
A wallet connected to the internet — convenient for trading, riskier for storage.
I
K
L
- Layer 1Technical
A base blockchain like Bitcoin, Ethereum or Solana that settles its own transactions.
- Layer 2Technical
A scaling network built on top of a Layer 1, processing transactions faster and cheaper (e.g. Arbitrum).
- Lending ProtocolDeFi
A DeFi app like Aave or Compound where you can lend or borrow crypto against collateral.
- LeverageTrading
Borrowing to take a position larger than your own capital — magnifies both gains and losses.
- Limit OrderTrading
An order to buy or sell only at a specific price or better.
- LiquidationTrading
The forced closure of a leveraged position when collateral runs out.
- LiquidityTrading
How easily an asset can be bought or sold without moving its price.
- Liquidity PoolDeFi
A smart-contract pool of paired tokens that powers a DEX, paying fees to depositors.
M
- Market CapTrading
Total circulating supply multiplied by current price. The standard way to rank crypto by size.
- Market OrderTrading
An order to buy or sell immediately at the best available price.
- Max SupplyTrading
The hard cap on how many coins can ever exist (Bitcoin's is 21 million).
- MempoolTechnical
The waiting area for unconfirmed transactions before miners or validators include them.
- MiningTechnical
The proof-of-work process of solving puzzles to add new blocks and earn coin rewards.
N
O
- OracleTechnical
A service that feeds external data (like prices) into smart contracts. Chainlink is the best-known.
- Order BookTrading
The live list of buy and sell orders at every price for a given trading pair.
- Osko / NPPAustralia
Real-time AUD payment rails used by AU exchanges for fast deposits and withdrawals.
P
- PayIDAustralia
Australia's instant bank transfer system, supported by most local crypto exchanges for AUD deposits.
- Private KeyWallets
The secret number that proves ownership of crypto and authorises transactions.
- Proof of Stake (PoS)Technical
A consensus mechanism where validators stake coins instead of burning electricity. Used by Ethereum.
- Proof of Work (PoW)Technical
A consensus mechanism where miners compete with computing power. Used by Bitcoin.
- Public KeyWallets
The cryptographic key derived from a private key, used to receive funds.
R
S
- Satoshi (Sat)Technical
The smallest unit of Bitcoin: 1 BTC = 100,000,000 sats.
- Seed PhraseWallets
A 12 or 24-word recovery phrase that backs up an entire crypto wallet. Never share it.
- ShortingTrading
Profiting from a price drop by selling borrowed crypto and rebuying it later.
- SlippageTrading
The difference between the expected price of a trade and the actual filled price.
- Smart ContractTechnical
Self-executing code on a blockchain that runs when conditions are met.
- SMSF CryptoAustralia
Holding crypto inside a Self-Managed Super Fund, subject to strict ATO and SIS Act rules.
- Spot TradingTrading
Buying or selling crypto for immediate delivery, as opposed to derivatives.
- StablecoinTrading
A cryptocurrency designed to hold a steady value, usually pegged to the US dollar (e.g. USDT, USDC).
- StakingDeFi
Locking up crypto to help secure a proof-of-stake network and earn yield.