Clear, beginner-friendly explanations of coins, wallets, and crypto concepts.
A token approval is permission you grant a smart contract to move a specific token from your wallet. Unlimited approvals to a malicious contract can be exploited to drain funds.
ConceptA trading pair shows two assets that can be traded for each other, such as BTC/USDT.
ConceptA transaction fee is a small payment to the network for processing and confirming your crypto transaction.
ConceptA wallet drainer is malicious software or a fake website designed to trick you into approving a transaction that empties your wallet in one move.
GlossaryA whale is a person or entity that holds a very large amount of a cryptocurrency.
CoinAave lets people lend and borrow crypto without a bank, using smart contracts instead of credit checks. Because there is no identity behind a loan, borrowers must lock up more value than they take out — and if that collateral falls too far, it is sold automatically.
ConceptAddress poisoning is a scam where an attacker sends you a tiny transaction from an address that looks almost identical to one you use, hoping you copy the wrong one later.
GlossaryAn all-time high is the highest price an asset has ever reached in its history.
ConceptAn automated market maker uses a formula and pooled funds to price trades instead of an order book.
GlossaryAn NFT is a unique digital token recorded on a blockchain that represents ownership of a specific item or piece of content.
ConceptAn NFT marketplace is a platform where people can buy, sell, and view non-fungible tokens.
ConceptAn on-ramp converts traditional money into crypto, while an off-ramp converts crypto back into traditional money.
ConceptAn order book is a live list of buy and sell orders that shows the demand and supply for an asset.
CoinAptos is a Layer 1 blockchain focused on speed and scalability, using the Move programming language.
CoinArbitrum is a Layer 2 network that helps Ethereum process transactions faster and more cheaply using rollups.
CoinAvalanche is a blockchain platform known for high transaction speed and a unique multi-chain architecture.
ConceptA blockchain is a shared digital record of transactions that is very difficult to alter after the fact.
CoinBNB is the native token of the BNB Chain ecosystem, originally created by the Binance exchange.
CoinBonk is a memecoin on the Solana network, driven by community hype rather than an underlying use case.
CoinCardano is a proof-of-stake blockchain that emphasizes academic research and a structured, peer-reviewed approach to development.
CoinChainlink connects blockchains to real-world data, acting as a bridge that many DeFi applications depend on.
GlossaryCirculating supply is the number of coins currently available and tradable in the market right now.
CoinCosmos is a network designed to let many independent blockchains connect and communicate with each other.
GlossaryMining is the process of using computing power to validate transactions and earn new coins as a reward.
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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