When one party controls most of a network’s mining or staking power.

A string of letters and numbers that shows where crypto can be sent on a blockchain, similar to an account number.

Limiting withdrawals to a pre-approved list of addresses.

A distribution of free tokens to wallet holders, often used to promote a new project or reward existing users.

The highest price an asset has ever reached.

Any cryptocurrency other than Bitcoin.

A set of laws and procedures designed to detect and prevent the movement of funds linked to criminal activity.

A set of rules that lets software applications share data and interact, often used to connect trading tools to an exchange.

Profiting from price differences for the same asset across markets.

The native asset of the Avalanche blockchain, known for fast finality.

Someone left holding an asset that has fallen sharply in value.

A prolonged period of falling prices and negative sentiment.

The prices buyers offer and sellers accept for an asset.

The gap between the highest buy price and the lowest sell price.

The first cryptocurrency, launched in 2009 by the pseudonymous Satoshi Nakamoto.

A cryptocurrency created from a 2017 split, or fork, of Bitcoin.

A batch of transaction data recorded on a blockchain.

The new coins paid to whoever adds a block to a blockchain.

A shared digital ledger that records transactions across a network of computers.

A prolonged period of rising prices and positive sentiment.

A chart element showing an asset’s open, close, high and low.

The native asset of the Cardano blockchain, a Proof of Stake network.

A digital form of a country’s official currency issued by its central bank.

A network and token that connects smart contracts to real-world data.

The number of coins currently available and in public hands.

Keeping crypto offline to reduce the risk of online theft.

When a transaction is included in a block and accepted by the network.

The method a blockchain network uses to agree on which transactions are valid.

A tool that moves assets or data between different blockchains.

A business that offers crypto services such as trading or custody.

A digital asset secured by cryptography that can be transferred across a peer-to-peer network.

The science of securing information using mathematics.

A wallet where a third party holds your private keys.

The safekeeping of crypto assets, either by yourself or by a third party.

Spreading control across a network rather than a single authority.

An application that runs on a blockchain rather than a central server.

An organisation run by rules coded on a blockchain and member voting.

A crypto marketplace where users trade directly from their own wallets without a central operator holding funds.

Financial services built on blockchains that run without traditional intermediaries.

A contract whose value is based on an underlying asset.

Slang for holding an asset firmly through ups and downs.

Anything of value that exists in digital form.

Technology that records data across many computers at once.

A common reminder to investigate a project independently before making decisions.

A cryptocurrency that began as an internet joke and built a large community.

Investing a fixed amount at regular intervals regardless of price.

Spending the same crypto more than once.

A blockchain network known for smart contracts and its native asset, ether.

A platform where people can buy, sell and trade cryptocurrencies.

The anxiety that drives people to buy an asset because its price is rising quickly.

Negative sentiment or information that spreads worry in the market.

Government-issued money such as the rand, naira, ringgit or rupiah.

South Africa’s regulator for the conduct of financial services.

A change to a blockchain's rules that can split it into two paths.

An asset’s value if its entire supply were in circulation.

Assessing an asset’s value from its underlying qualities.

An agreement to buy or sell an asset at a set price and date.

The fee paid to process a transaction or run a smart contract on a network like Ethereum.

The very first block of a blockchain.

A small unit of ether used to measure gas fees.

A scheduled event that cuts the reward for mining new Bitcoin blocks in half.

A physical device that stores your private keys offline.

A fixed-length string produced by running data through a mathematical function.

Slang for holding crypto rather than selling, originating from a misspelling of hold.

A crypto wallet connected to the internet.

The property of blockchain records being extremely difficult to change once confirmed.

A fundraising method where a project sells new tokens to early backers.

The ability of different blockchains to work together.

The process of verifying a customer's identity to meet regulatory requirements.

A network built on top of a blockchain to make transactions faster and cheaper.

A record of transactions; on a blockchain it is shared across the network.

Using borrowed funds to increase the size of a position.

An order to buy or sell at a specific price or better.

How easily an asset can be bought or sold without moving its price much.

An early cryptocurrency created as a lighter, faster alternative to Bitcoin.

The live, fully operational version of a blockchain.

Roles for adding liquidity to an order book or taking it away.

Trading with borrowed funds, using your assets as collateral.

The total value of a cryptocurrency, found by multiplying its price by its circulating supply.

An order to buy or sell immediately at the best available price.

The largest number of coins that will ever exist for an asset.

A structure that organises data so it can be verified efficiently.

Shared, persistent virtual spaces people can interact in.

The process of validating transactions and creating new blocks on a Proof of Work network.

Slang for a sharp rise in an asset’s price.

A wallet setup that needs more than one approval to move funds.

A computer that helps run a blockchain network by storing and validating data.

A wallet where you alone control your private keys.

A unique digital token that represents ownership of a specific item.

A one-time number used in mining and transactions.

Ways to move between traditional money and crypto.

A service that brings outside data onto a blockchain.

A live list of buy and sell orders for an asset on an exchange.

Slang for selling an asset quickly, often at the first sign of trouble.

Direct exchange between two parties without a central intermediary.

A scam that tricks you into revealing passwords or keys.

The native asset of Polkadot, a network that connects many blockchains.

A network and token built to make Ethereum transactions faster and cheaper.

The full collection of assets a person holds.

A secret code that lets you access and control your crypto. Never share it.

A check that shows a platform holds enough assets to cover balances.

A consensus method where validators are chosen based on the amount of crypto they lock up.

A consensus method where miners solve puzzles to validate transactions.

A code derived from your private key that others use to send you crypto.

A scheme that inflates a price then sells off, leaving others with losses.

An automatic, repeating purchase of crypto on a set schedule.

Slang for suffering heavy losses.

A measure of the gain or loss on an investment relative to its cost.

A Layer 2 method that bundles many transactions into one.

A scam where a project’s team abandons it and takes investors’ funds.

Checking transactions and users against official sanctions lists.

The smallest unit of Bitcoin, equal to one hundred millionth of a bitcoin.

Short for satoshis, the smallest units of Bitcoin.

A list of words that can restore access to your wallet. Keep it private and offline.

Splitting a blockchain into parts to handle more transactions.

A separate blockchain linked to a main chain.

The difference between an expected trade price and the price you get.

Code that runs automatically on a blockchain when set conditions are met.

The native asset of the Solana blockchain, known for high speed and low fees.

Buying or selling crypto for immediate settlement at the current price.

A cryptocurrency designed to hold a steady value, often tied to a currency like the US dollar.

Locking up crypto to help secure a Proof of Stake network and earn rewards.

A network and asset (XLM) built for low-cost cross-border payments.

An order that sells automatically if the price falls to a set level.

Studying price charts and patterns to inform trading decisions.

A trial version of a blockchain used to test features without real funds.

A stablecoin designed to track the value of the US dollar.

A digital asset issued on an existing blockchain.

Permanently removing tokens from circulation.

Representing a real-world or digital asset as a token on a blockchain.

Digital tokens that track the price of traditional company shares.

The design of a token’s supply, distribution and incentives.

All coins that exist now, minus any that have been burned.

Two assets that can be traded against each other.

A small charge paid to process a transaction on a network.

A requirement to share sender and recipient details for certain transfers.

A security step that requires a second form of verification when logging in.

A stablecoin designed to track the value of the US dollar.

A participant that checks and confirms transactions on a Proof of Stake network.

How much and how quickly an asset's price moves.

The total amount of an asset traded over a given period.

A tool that stores the keys used to send and receive crypto.

A vision of the internet built on blockchains and user ownership.

A person or entity that holds a very large amount of a cryptocurrency.

A document that explains a crypto project’s purpose and design.

A token that represents another asset on a different blockchain.

The native asset of the XRP Ledger, built for fast, low-cost payments.

A way to prove something is true without revealing the details.