Clear, beginner-friendly explanations of coins, wallets, and crypto concepts.
If you send crypto to the wrong address, the transaction usually cannot be reversed. Whether you can recover it depends entirely on who controls that address.
ConceptLosing your private key or seed phrase usually means losing access to your funds permanently, with no way to recover them.
ConceptIf an exchange shuts down, crypto you left on it is at risk, because the exchange held the keys. This is the reasoning behind the phrase not your keys, not your coins.
ConceptA 51% attack is when one party controls most of a network power and could disrupt how transactions are confirmed.
ConceptA block explorer is a tool that lets anyone view transactions, addresses, and blocks on a blockchain.
ConceptA block is a bundle of transactions recorded together and linked to the block before it, forming the blockchain.
ConceptA bridge is a tool that moves assets or data between different blockchains that cannot natively communicate.
ConceptA bull market is a sustained period of rising prices, while a bear market is a sustained period of falling prices.
ConceptA candlestick chart shows price movement over time, with each candle summarising open, close, high, and low.
ConceptClipboard hijacking is malware that silently swaps a crypto address you copied for the attacker's address, so your funds go to them when you paste and send.
ConceptA confirmation happens each time a new block is added after your transaction, making it harder to reverse.
ConceptA consensus mechanism is the method a blockchain uses to agree on which transactions are valid, without a central authority.
ConceptA crypto address is a short code derived from your public key that others use to send you funds.
GlossaryAn airdrop is a free distribution of cryptocurrency tokens, often used by projects to reward early users or build community.
GlossaryA bull run is a period of strongly rising prices and heightened optimism across the crypto market.
GuideCold storage means keeping crypto private keys completely offline to protect them from online threats.
GlossaryA crypto exchange is a platform where you can buy, sell, and trade cryptocurrencies, similar to a stock brokerage.
ConceptA crypto faucet gives out small amounts of crypto for free, most commonly testnet coins used for testing.
ConceptA giveaway scam promises to send back double whatever crypto you send first. It plays on greed and urgency, and the returned funds never arrive.
ConceptA crypto index tracks the combined performance of a group of cryptocurrencies to show a broad market trend rather than a single coin. How the group is chosen and weighted changes what the number actually measures — and that detail matters more than most people expect.
GlossaryA crypto wallet stores the keys that prove you own your coins, not the coins themselves.
ConceptA DAO is an organization run by its members through token-based voting and smart contracts, without central management.
ConceptA DeFi protocol is a set of smart contracts that provides financial services without a central intermediary.
ConceptA fake support scam is when someone pretends to be customer support from a wallet or exchange to trick you into revealing your seed phrase or approving a transfer.
VaultTutor provides general educational content only. Nothing on this site constitutes financial, investment, or legal advice, or a recommendation to buy, sell, or hold any cryptocurrency. Cryptocurrency involves substantial risk of loss. Always do your own research and consult a licensed financial advisor before making investment decisions.
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