Bear Market: A market characterized by prolonged falling prices and widespread pessimism.

Bull Market: A market characterized by rising prices and widespread optimism.

Whale: An individual or entity that owns a large amount of a given cryptocurrency, with enough power to influence its market.

FOMO (Fear of Missing Out): Fear of missing out; a feeling of anxiety that can lead investors to buy a cryptocurrency quickly for fear of missing a profit opportunity.

FUD (Fear, Uncertainty, and Doubt): Fear, uncertainty and doubt; a strategy used to influence people's perception of a cryptocurrency, usually through negative information.

ATH (All-Time High): The highest price ever reached by a cryptocurrency in its entire history.

ATL (All-Time Low): The lowest price ever reached by a cryptocurrency in its entire history.

Market Cap: The total market value of a cryptocurrency, calculated by multiplying the current price by the total number of coins in circulation.

Whitepaper: Document that describes in detail the project behind a cryptocurrency, including technology, value proposition and business model.

Node: A connection point in a blockchain network that supports the network by verifying and transmitting transactions.

Double Spend: The risk that a digital currency will be spent twice. This is something that blockchains are designed to prevent.

Decentralization: The transfer of control from a central entity to a distributed network of participants.

Scalability: The ability of a blockchain network to handle a large number of transactions efficiently.

HODL: A term originating from a typo of "hold", which became a meme to describe the strategy of holding cryptocurrencies for the long term, regardless of market fluctuations.

Pump and Dump: A market manipulation strategy where the prices of a cryptocurrency are artificially inflated (pump) so that investors can sell at high prices (dump).

Private Key: A secret code that allows the user to access and manage their cryptocurrencies.

Public Key: A code that can be shared publicly and is used to receive cryptocurrencies.

Paper Wallet: A physical form of storage of private and public keys, usually printed on paper.

DApp (Decentralized Application): Application that operates on a blockchain network in a decentralized manner.

Liquidity Pool: A pool of funds locked in a smart contract, used to facilitate trading on DeFi platforms by providing liquidity.