Glossaire Crypto
Des définitions claires et simples des termes crypto que vous rencontrerez sur roo2ya — de la blockchain et des stablecoins au gas, au staking et au DYOR. Honnête et sans jargon. Nouveau dans la crypto ? Commencez avec Apprendre la Crypto →
Altcoin Débutant
“Altcoin” means any cryptocurrency other than Bitcoin — literally an “alternative coin.” Lire plus →
All-Time High (ATH) Débutant
An all-time high is the highest price an asset has ever reached. Lire plus →
Bear Market Débutant
A bear market is a sustained period of falling prices and pessimism. Lire plus →
Bitcoin Débutant
Bitcoin is the first and largest cryptocurrency — a decentralised digital money with a fixed maximum supply of 21 million coins. Lire plus →
Blockchain Débutant
A blockchain is a shared, append-only ledger of transactions maintained across many computers rather than by a single authority. Lire plus →
Bull Market Débutant
A bull market is a sustained period of rising prices and optimism. Lire plus →
DAO Avancé
A DAO (decentralised autonomous organisation) is a community-run entity governed by token-holder votes and smart contracts rather than a traditional management structure. Lire plus →
DeFi Intermédiaire
DeFi (decentralised finance) is financial services — lending, trading, earning yield — built on public blockchains without traditional intermediaries. Lire plus →
DYOR Débutant
DYOR stands for “do your own research” — a reminder to verify claims independently before making any decision. Lire plus →
Ethereum Débutant
Ethereum is the largest smart-contract platform — a programmable blockchain whose native asset is ether (ETH). Lire plus →
Indice Peur et Avidité Débutant
The Fear & Greed Index summarises crypto market sentiment on a 0–100 scale, from extreme fear to extreme greed. Lire plus →
Fiat Currency Débutant
Fiat is government-issued money, such as the US dollar or euro, that is not backed by a physical commodity. Lire plus →
Gas Intermédiaire
Gas is the fee paid to process a transaction on Ethereum, measured in a small unit of ether called gwei. Lire plus →
Halving Intermédiaire
The Bitcoin halving is a scheduled event, roughly every four years, that cuts the reward miners receive for adding a block in half. Lire plus →
Liquidity Intermédiaire
Liquidity is how easily an asset can be bought or sold without moving its price much. Lire plus →
Market Capitalisation Débutant
Market cap is a coin’s current price multiplied by its circulating supply — a measure of its total size. Lire plus →
Mining Intermédiaire
Mining is the process of using computing power to validate transactions and secure a proof-of-work blockchain like Bitcoin. Lire plus →
NFT Débutant
An NFT (non-fungible token) is a unique blockchain token used to represent ownership of a specific item, such as art or collectibles. Lire plus →
Private Key Intermédiaire
A private key is the secret number that controls a crypto wallet and authorises transactions from it. Lire plus →
Smart Contract Intermédiaire
A smart contract is code deployed on a blockchain that runs automatically when its conditions are met. Lire plus →
Stablecoin Débutant
A stablecoin is a cryptocurrency designed to hold a steady value, usually pegged to a currency like the US dollar. Lire plus →
Staking Intermédiaire
Staking means locking up a proof-of-stake cryptocurrency to help secure the network, earning rewards in return. Lire plus →
Volatility Débutant
Volatility describes how sharply and quickly a price moves up and down. Lire plus →
Wallet Débutant
A crypto wallet is software or hardware that stores the keys used to access and move your cryptocurrency. Lire plus →