Crypto Glossary
Quick plain-language definitions. Search or jump by letter, then open the full guide for any term.
213 terms
Before You Buy Your First Crypto (Checklist)
Before buying any cryptocurrency: set up a self-custody wallet, learn what a seed phrase is and how to store it, decide on an exchange with fiat support, understand that crypto is volatile and you can lose your entire...
Read the full guide →Bitcoin vs. Ethereum for a First Purchase
Bitcoin is the simpler choice if you want a store of value with the longest track record and clearest regulatory status.
Read the full guide →CEX vs. DEX: When to Use Which
Use a CEX (Coinbase, Kraken) for fiat on/off ramps, large trades with tight spreads, and when you need customer support.
Read the full guide →DeFi Security Checklist Before Depositing
Before depositing into any DeFi protocol: verify the contract is audited, check TVL and time live without incident, review your token approvals (set specific amounts not unlimited), confirm you are on the correct URL ...
Read the full guide →Ethereum vs. Solana Compared
Ethereum is the most established smart contract platform with the deepest liquidity, strongest security (900K+ validators), and largest developer ecosystem.
Read the full guide →Hardware Wallet Setup Checklist
Setting up a hardware wallet correctly: unbox and verify authenticity, install companion software, generate your seed phrase on the device (never on a computer), write it down on the included cards, verify the backup ...
Read the full guide →Hardware Wallet vs. Software Wallet: Which to Choose
Use a hardware wallet for any amount you would be upset to lose (generally $1,000+).
Read the full guide →How to Bridge Assets Between Chains
To bridge assets: choose a bridge (official rollup bridge for max security, or Across/Stargate for speed), connect your wallet, select source and destination chains, pick the token and amount, approve the transaction,...
Read the full guide →How to Calculate Your Crypto Taxes
Gather all transaction history from every exchange and wallet you used (export CSVs or connect APIs).
Read the full guide →How to Check if a Token Is Safe Before Buying
Before buying any new token: verify the contract address against official sources, check Token Sniffer for scam patterns, review holder distribution on Etherscan, confirm liquidity is locked and adequate, look at the ...
Read the full guide →How to Document Crypto for Mortgages and Visa Applications
To use crypto wealth for a mortgage or visa application: convert to fiat and season it in a bank account for 60-90 days (most reliable path), or provide comprehensive documentation showing: exchange account statements...
Read the full guide →How to Read a Block Explorer Transaction
A block explorer transaction page shows: status (success/fail), the block it was included in, sender and receiver addresses, value transferred, gas used and fee paid, and input data (what function was called on a smar...
Read the full guide →How to Read Tokenomics Before Buying
Before buying any token, check five numbers: circulating supply vs.
Read the full guide →How to Revoke Token Approvals
Go to revoke.cash, connect your wallet, review all active approvals (sorted by risk), and click Revoke on any you no longer need.
Read the full guide →How to Secure Your Discord and Twitter From Crypto Scams
Turn off DMs from strangers in Discord server settings, enable two-factor authentication everywhere, never click links sent via DM (legitimate projects never DM you first), verify announcements only in official channe...
Read the full guide →How to Set Up MetaMask Correctly
Download MetaMask only from metamask.io (never app stores for desktop).
Read the full guide →How to Spot a Pump-and-Dump (Detection Checklist)
Before buying any token promoted on social media, run through these checks: verify the contract on a scanner (Token Sniffer, honeypot.is), check holder concentration (top wallet should not hold more than 10%), confirm...
Read the full guide →How to Stake ETH (All Options Compared)
Four ways to stake ETH, ranked by effort: (1) Exchange staking (Coinbase, Kraken): click a button, earn 2.5-3.5% APR, fully custodial.
Read the full guide →How to Use Uniswap for Your First Swap
Connect your wallet to app.uniswap.org, select the token you have (ETH or USDC) and the token you want, enter the amount, review the price impact and minimum received, click Swap, and confirm in your wallet.
Read the full guide →How to Verify a Smart Contract on Etherscan
Contract verification publishes your Solidity source code on Etherscan so anyone can read it and confirm it matches the deployed bytecode.
Read the full guide →L1 vs. L2 vs. Sidechain: Where to Put Your Money
L1 (Ethereum mainnet): maximum security for large amounts ($50K+), highest fees ($5-20/tx).
Read the full guide →Ledger vs. Trezor vs. Coldcard Compared
Ledger (Nano S Plus $79, Nano X $149): supports 5,500+ tokens, secure element chip, closed-source firmware, Bluetooth option.
Read the full guide →Lido vs. Rocket Pool vs. Coinbase Staking Compared
Lido (stETH) is the largest liquid staking protocol with the deepest DeFi integrations but more centralized operator set.
Read the full guide →Optimistic vs. ZK Rollups Compared
Optimistic rollups (Arbitrum, Optimism) assume transactions are valid and allow 7-day fraud proof challenges.
Read the full guide →Staking vs. Lending vs. LP: Which Yield Strategy
Staking (3-5% on ETH, lowest risk): lock tokens to secure a network, earn protocol rewards.
Read the full guide →The Hidden Costs of Yield Farming
The advertised APY on a yield farm is almost never what you actually earn.
Read the full guide →USDC vs. USDT vs. DAI Compared
USDC (Circle) is the most transparent fiat-backed stablecoin with monthly Deloitte attestations.
Read the full guide →What Are Bitcoin Transaction Confirmations
A confirmation is each new block added to the blockchain after the block containing your transaction.
Read the full guide →What Are DeFi Taxable Events
In DeFi, taxable events include: swapping tokens on a DEX (disposal), providing liquidity (if it involves token conversion), claiming staking or farming rewards (income), removing liquidity at different token ratios t...
Read the full guide →What Is a 51% Attack
A 51% attack occurs when a single entity controls more than half the network's mining power (PoW) or staking weight (PoS), allowing them to rewrite recent blockchain history, enabling double-spending, transaction cens...
Read the full guide →What Is a BIP-39 Word List
The BIP-39 word list is a standardized set of exactly 2,048 English words from which seed phrases are constructed.
Read the full guide →What Is a Bitcoin Address
A Bitcoin address is a short alphanumeric string (26-62 characters) derived from your public key that serves as a destination for receiving Bitcoin.
Read the full guide →What Is a Bitcoin Block
A Bitcoin block is a batch of verified transactions bundled together and added to the blockchain approximately every 10 minutes.
Read the full guide →What Is a Bitcoin Difficulty Adjustment
The difficulty adjustment is Bitcoin's self-regulating mechanism that recalibrates the mining difficulty every 2,016 blocks (~2 weeks) to keep the average block time at approximately 10 minutes, regardless of how much...
Read the full guide →What Is a Bitcoin ETF
A Bitcoin ETF (Exchange-Traded Fund) is a traditional stock market product that holds actual Bitcoin and lets you buy exposure through your existing brokerage account (Fidelity, Schwab, Robinhood).
Read the full guide →What Is a Bitcoin Full Node vs. a Light Client
A full node downloads and validates the entire blockchain (500+ GB), independently verifying every transaction and block against consensus rules.
Read the full guide →What Is a Bitcoin Halving
A Bitcoin halving is a programmed event that cuts the block reward miners receive in half every 210,000 blocks (roughly every four years).
Read the full guide →What Is a Bitcoin Ordinal / Inscription
Ordinals are a numbering system that assigns a unique identity to each individual satoshi (the smallest unit of Bitcoin).
Read the full guide →What Is a Block Explorer
A block explorer is a web-based tool that lets anyone browse and search a blockchain's data, blocks, transactions, addresses, and smart contracts, in a human-readable format.
Read the full guide →What Is a Blockchain
A blockchain is a distributed, append-only ledger of transactions grouped into blocks, where each block is cryptographically linked to the previous one.
Read the full guide →What Is a Bonding Curve
A bonding curve is a mathematical formula that automatically sets a token price based on its current supply.
Read the full guide →What Is a Bridge (Cross-Chain, Mechanics and Structural Risk)
A bridge is a protocol that moves assets or data between two separate blockchains.
Read the full guide →What Is a CEX
A CEX (centralized exchange) is a company that operates a trading platform where you deposit your crypto, trade against other users via an order book managed by the company, and withdraw when you want.
Read the full guide →What Is a Chain Reorg
A chain reorganization (reorg) occurs when a node discovers a longer or heavier valid chain and switches to it, abandoning the blocks it previously considered canonical.
Read the full guide →What Is a Coinbase Transaction
A coinbase transaction is the first transaction in every Bitcoin block, the one that creates new coins out of nothing and pays the miner their block reward.
Read the full guide →What Is a Consensus Mechanism
A consensus mechanism is the set of rules a blockchain uses to get all participants to agree on the current state of the ledger without a central authority.
Read the full guide →What Is a Crypto-Collateralized Stablecoin
A crypto-collateralized stablecoin is backed by cryptocurrency deposits locked in smart contracts, overcollateralized to absorb price swings.
Read the full guide →What Is a Custodial Wallet
A custodial wallet is one where a third party (usually an exchange like Coinbase, Binance, or Kraken) holds the private keys on your behalf.
Read the full guide →What Is a DAO
A DAO (Decentralized Autonomous Organization) is an organization governed by smart contracts and token-holder votes rather than a traditional corporate board.
Read the full guide →What Is a Data Availability Layer
A data availability (DA) layer is a specialized blockchain whose sole job is storing and serving the raw transaction data that rollups need for security verification.
Read the full guide →What Is a Decentralized Identifier (DID)
A Decentralized Identifier (DID) is a globally unique identifier that you control without relying on any central authority (no company issues it, no company can revoke it).
Read the full guide →What Is a Decentralized Oracle
A decentralized oracle is a network that delivers external data (asset prices, sports scores, weather, election results) to smart contracts in a way that does not rely on a single trusted source.
Read the full guide →What Is a DEX
A DEX (decentralized exchange) is a peer-to-peer marketplace running on smart contracts that lets you trade crypto directly from your own wallet, without depositing funds with a company, without creating an account, a...
Read the full guide →What Is a Drainer-as-a-Service
Drainer-as-a-Service (DaaS) is a criminal business model where developers build and sell wallet-draining toolkits to less technical scammers for a revenue share (typically 20-30% of stolen funds).
Read the full guide →What Is a Dusting Attack
A dusting attack sends tiny amounts of crypto (dust) to many wallet addresses to track their activity and potentially identify the owners.
Read the full guide →What Is a Dutch Auction (For NFTs and Tokens)
A Dutch auction starts at a high price and decreases over time until someone buys.
Read the full guide →What Is a Fake Token / Spoofed Token
A fake token is a smart contract deliberately named to impersonate a legitimate cryptocurrency (same name, same ticker symbol, even the same logo in some wallet UIs).
Read the full guide →What Is a Fiat-Collateralized Stablecoin
A fiat-collateralized stablecoin is backed 1:1 by real-world assets held in bank accounts or treasuries.
Read the full guide →What Is a Flash Crash (And How to Protect Your Positions)
A flash crash is a sudden, extreme price drop (10-50% in minutes) followed by a rapid recovery.
Read the full guide →What Is a Flash Loan
A flash loan is an uncollateralized loan that must be borrowed and repaid within the same blockchain transaction.
Read the full guide →What Is a Flash Loan Attack (Step by Step)
A flash loan attack uses zero-capital borrowing to manipulate a protocol in a single transaction: borrow millions, manipulate a price oracle or exploit a logic flaw, extract profit from the manipulated state, repay th...
Read the full guide →What Is a Floor Price
The floor price is the lowest price at which any NFT in a collection is currently listed for sale.
Read the full guide →What Is a Fork (Hard vs. Soft)
A fork is a change to a blockchain's protocol rules.
Read the full guide →What Is a Fraud Proof
A fraud proof is a cryptographic demonstration submitted to Ethereum L1 proving that an optimistic rollup sequencer published an incorrect state transition.
Read the full guide →What Is a Full Node
A full node is a computer running blockchain software that downloads, validates, and stores the entire transaction history independently.
Read the full guide →What Is a Genesis Block
The genesis block is the very first block in a blockchain, block number 0 (or 1, depending on the chain).
Read the full guide →What Is a Governance Attack
A governance attack uses flash-borrowed or temporarily accumulated governance tokens to pass a malicious proposal that drains the protocol treasury or changes parameters in the attacker favor.
Read the full guide →What Is a Governance Proposal
A governance proposal is a formal submission to a DAO requesting a specific action: allocating treasury funds, changing protocol parameters, upgrading smart contracts, or establishing new policies.
Read the full guide →What Is a Governance Token
A governance token gives holders voting power over a protocol's decisions: treasury spending, fee changes, new feature deployments, and parameter adjustments.
Read the full guide →What Is a Hardware Wallet
A hardware wallet is a dedicated physical device that stores your private keys in a secure chip, isolated from your computer and the internet.
Read the full guide →What Is a Hash Function (Plain Language)
A hash function takes any input (a file, a transaction, a password) and produces a fixed-size output (the hash or digest) that acts as a unique fingerprint.
Read the full guide →What Is a Honeypot Contract
A honeypot contract is a malicious smart contract designed to let you buy a token but prevent you from selling it.
Read the full guide →What Is a Hot Wallet vs. a Cold Wallet
A hot wallet is connected to the internet and ready for immediate transactions (phone apps, browser extensions).
Read the full guide →What Is a Licensed vs. Unlicensed Exchange (And Why It Matters)
A licensed exchange has obtained regulatory approval from financial authorities in its operating jurisdictions, subjecting it to rules around capital reserves, security standards, KYC/AML compliance, and customer prot...
Read the full guide →What Is a Limit Order vs. a Market Order
A market order executes immediately at the best available price, you prioritize speed over price.
Read the full guide →What Is a Liquidation (DeFi Lending)
A liquidation happens when your collateral value drops below the minimum required to support your loan, and the protocol automatically sells your collateral to repay the debt.
Read the full guide →What Is a Liquidity Pool
A liquidity pool is a smart contract holding a pair (or set) of tokens deposited by liquidity providers, enabling trustless trading on a DEX.
Read the full guide →What Is a Market Maker vs. a Market Taker
A market maker adds liquidity to the order book by placing limit orders that wait to be filled (providing resting offers).
Read the full guide →What Is a Memecoin
A memecoin is a cryptocurrency with no intended utility beyond community speculation and social signaling.
Read the full guide →What Is a Merkle Tree
A Merkle tree is a data structure that efficiently summarizes and verifies large sets of data by recursively hashing pairs of items until a single root hash remains.
Read the full guide →What Is a Mining Pool
A mining pool is a group of miners who combine their hash power and share block rewards proportionally to each member's contribution.
Read the full guide →What Is a Mining Rig
A mining rig is a computer system built specifically to perform the cryptographic hash calculations required by proof-of-work blockchains.
Read the full guide →What Is a Modular Blockchain (Structural Explainer)
A modular blockchain separates the four core functions (execution, settlement, consensus, and data availability) into specialized layers rather than doing everything on one chain.
Read the full guide →What Is a Money Services Business (MSB), Structurally
A Money Services Business (MSB) is a legal classification (in the US, under FinCEN) for businesses that transmit money, exchange currencies, cash checks, or sell prepaid instruments.
Read the full guide →What Is a Multisig (Mechanics)
A multisig (multi-signature wallet) requires multiple private keys to authorize a transaction.
Read the full guide →What Is a Non-Custodial Wallet
A non-custodial wallet is any wallet where you, and only you, hold the private keys.
Read the full guide →What Is a Passphrase (25th Word) on a Hardware Wallet
A passphrase (sometimes called the "25th word") is an additional user-chosen string added to your seed phrase during key derivation.
Read the full guide →What Is a Paymaster (Gas Sponsorship)
A paymaster is a smart contract (within the ERC-4337 Account Abstraction framework) that pays gas fees on behalf of users.
Read the full guide →What Is a Perpetual Futures Contract (Mechanics Only)
A perpetual futures contract (perp) is a derivative that tracks the price of an underlying asset (like BTC) without an expiration date.
Read the full guide →What Is a Phishing Attack (Crypto-Specific Mechanics)
A crypto phishing attack tricks you into signing a malicious transaction, approving a drainer contract, or entering your seed phrase on a fake website.
Read the full guide →What Is a Precompiled Contract
A precompiled contract is a special contract at a fixed Ethereum address whose logic is implemented natively in the client software (Go, Rust) rather than as EVM bytecode.
Read the full guide →What Is a Private Key
A private key is a secret 256-bit number that gives you, and only you, the ability to spend the cryptocurrency associated with its corresponding public address.
Read the full guide →What Is a Public Key
A public key is a cryptographic value derived from your private key through one-way elliptic curve multiplication.
Read the full guide →What Is a Pump-and-Dump Scheme (Mechanics, Informational)
A pump-and-dump is a market manipulation scheme where insiders accumulate a cheap asset, artificially inflate its price through coordinated hype (the pump), then sell their holdings into the artificially high demand (...
Read the full guide →What Is a Reentrancy Attack (Plain Language)
A reentrancy attack exploits a smart contract that sends ETH or calls an external contract before updating its own state.
Read the full guide →What Is a Royalty (NFT Creator Royalties, Mechanics)
An NFT royalty is a percentage of the sale price that automatically goes to the original creator every time the NFT is resold on a secondary market.
Read the full guide →What Is a Rug Pull
A rug pull is a scam where a project team builds hype, attracts investment (usually into a token or liquidity pool), then suddenly withdraws all funds and disappears.
Read the full guide →What Is a Security vs. a Commodity (The Structural Legal Distinction)
In US financial regulation, a security is an investment where you put money into a common enterprise expecting profits from the efforts of others (the Howey Test).
Read the full guide →What Is a Seed Phrase
A seed phrase (also called a recovery phrase or mnemonic) is a sequence of 12 or 24 ordinary English words that encodes your master private key.
Read the full guide →What Is a Seed Phrase Drainer / Approval Drainer
A drainer is automated software that steals crypto from compromised wallets.
Read the full guide →What Is a Sequencer (In a Rollup)
A sequencer is the entity in a Layer 2 rollup that receives user transactions, orders them, executes them, and publishes the results (plus compressed transaction data) to Ethereum L1.
Read the full guide →What Is a Sidechain
A sidechain is a separate blockchain that runs alongside a main chain (like Ethereum) with its own consensus mechanism and validator set.
Read the full guide →What Is a Smart Contract
A smart contract is a program stored on the blockchain that executes automatically when predetermined conditions are met.
Read the full guide →What Is a Smart Contract Audit
A smart contract audit is a systematic review of a contract's source code by independent security experts to identify vulnerabilities, logic errors, and potential exploits before deployment or before users deposit sig...
Read the full guide →What Is a Smart Contract Exploit (The General Category)
A smart contract exploit is any attack that abuses a bug, logic flaw, or unintended interaction in deployed smart contract code to steal funds or manipulate the protocol in ways its designers did not intend.
Read the full guide →What Is a Smart Contract Wallet (Account Abstraction)
A smart contract wallet is a wallet whose logic lives in a smart contract on the blockchain rather than being a simple externally owned account (EOA) controlled by a single private key.
Read the full guide →What Is a Soulbound Token
A soulbound token (SBT) is a non-transferable NFT permanently bound to a specific wallet address.
Read the full guide →What Is a Stablecoin
A stablecoin is a cryptocurrency designed to maintain a fixed value relative to a reference asset, usually the US dollar.
Read the full guide →What Is a Stablecoin Peg
The peg is the target price a stablecoin is designed to maintain, almost always $1.00 USD.
Read the full guide →What Is a Stablecoin Reserve Attestation
A reserve attestation is a report by an independent accounting firm confirming that a stablecoin issuer holds enough assets to back all tokens in circulation at a point in time.
Read the full guide →What Is a Staking Pool
A staking pool combines deposits from many users to meet the minimum staking requirement and run validators collectively.
Read the full guide →What Is a Sybil Attack
A Sybil attack is when one person creates many fake identities to gain disproportionate influence in a system designed for many independent participants.
Read the full guide →What Is a Taxable Event (In Crypto, Generally)
A taxable event is any action that triggers a tax obligation.
Read the full guide →What Is a Timelock (Smart Contract Governance)
A timelock is a smart contract that enforces a mandatory delay between when a governance action is approved and when it actually executes.
Read the full guide →What Is a Token Burn
A token burn permanently removes tokens from circulation by sending them to an unrecoverable address (no one has the private key).
Read the full guide →What Is a Token Standard (ERC-20 Explained Simply)
ERC-20 is a standard interface that all fungible tokens on Ethereum follow.
Read the full guide →What Is a UTXO (Unspent Transaction Output)
A UTXO is an unspent transaction output, a discrete chunk of Bitcoin that has been received but not yet spent.
Read the full guide →What Is a Validator
A validator is a network participant that proposes and/or attests to new blocks in a proof-of-stake blockchain.
Read the full guide →What Is a Validator Node (Staking Context)
A validator node is a computer running blockchain client software that participates in block production and consensus on a proof-of-stake network.
Read the full guide →What Is a Validity Proof
A validity proof is a cryptographic proof (ZK-SNARK or ZK-STARK) that mathematically guarantees a batch of transactions was computed correctly.
Read the full guide →What Is a Vault (In the DeFi Sense)
A DeFi vault is a smart contract that automatically manages a yield-generating strategy on your behalf.
Read the full guide →What Is a Wallet Address Derivation Path
A derivation path is the specific route a wallet takes to generate individual private keys from your master seed.
Read the full guide →What Is a Watch-Only Wallet
A watch-only wallet lets you monitor an address's balance and transaction history without holding the private key needed to spend from it.
Read the full guide →What Is a Wrapped Token
A wrapped token is a representation of an asset from one blockchain on a different blockchain.
Read the full guide →What Is a ZK Rollup (Mechanics)
A ZK (Zero-Knowledge) rollup executes transactions off-chain and generates a cryptographic validity proof mathematically demonstrating that all state transitions are correct.
Read the full guide →What Is Aave (And How DeFi Lending Works)
Aave is a decentralized lending protocol where you can supply crypto to earn interest (currently 3-8% on stablecoins) or borrow against your deposits as collateral.
Read the full guide →What Is Account Abstraction
Account abstraction (AA) removes the rigid distinction between externally owned accounts (EOAs, controlled by private keys) and smart contract accounts.
Read the full guide →What Is Address Poisoning
Address poisoning is a scam where an attacker sends tiny transactions to your wallet from an address that looks almost identical to one you recently transacted with.
Read the full guide →What Is AML (Anti-Money Laundering, As It Applies to Crypto)
AML (Anti-Money Laundering) refers to laws, regulations, and procedures that require financial institutions to detect, prevent, and report activities that could involve laundering illegally obtained money.
Read the full guide →What Is an AI Agent Wallet
An AI agent wallet is a crypto wallet controlled by an autonomous AI system rather than a human.
Read the full guide →What Is an Air-Gapped Wallet
An air-gapped wallet is a signing device that has never connected and will never connect to the internet or any networked device via cable.
Read the full guide →What Is an Algorithmic Stablecoin (And Why They Are Structurally Riskier)
An algorithmic stablecoin attempts to maintain its peg through code-based supply expansion and contraction rather than holding real collateral.
Read the full guide →What Is an ASIC (Application-Specific Integrated Circuit)
An ASIC is a chip designed to perform one specific computation extremely efficiently.
Read the full guide →What Is an Automated Market Maker (AMM)
An AMM is a smart contract that creates a market for token pairs using pooled liquidity and a mathematical formula instead of a traditional order book.
Read the full guide →What Is an Intent-Based Protocol
An intent-based protocol lets users declare what they want (swap 1 ETH for the best price across all chains) without specifying how to execute it.
Read the full guide →What Is an L2 / Rollup
A Layer 2 (L2) rollup is a separate blockchain that executes transactions off Ethereum mainnet (Layer 1) but posts compressed transaction data or proofs back to Ethereum for security.
Read the full guide →What Is an NFT
An NFT (Non-Fungible Token) is a unique blockchain record that proves ownership of a specific digital item.
Read the full guide →What Is an NFT Mint
Minting is the process of creating a new NFT on the blockchain.
Read the full guide →What Is an NFT Standard (ERC-721/1155 Explained Simply)
ERC-721 is the standard for non-fungible tokens (NFTs) on Ethereum, tokens where each one has a unique ID and is not interchangeable with another.
Read the full guide →What Is an On-Chain Prediction Market
An on-chain prediction market is a platform where users buy and sell shares in the outcomes of future events (elections, sports, crypto prices, world events).
Read the full guide →What Is an Optimistic Rollup (Mechanics)
An optimistic rollup executes transactions off-chain and assumes they are valid by default (the "optimistic" part).
Read the full guide →What Is an Oracle Attack / Oracle Manipulation
An oracle attack manipulates the data feed that a DeFi protocol relies on for pricing, tricking the protocol into making incorrect decisions (wrong liquidations, mispriced trades, inflated collateral valuations).
Read the full guide →What Is an Order Book
An order book is a real-time list of all outstanding buy orders (bids) and sell orders (asks) for an asset, organized by price level.
Read the full guide →What Is an Unbonding/Unstaking Period
The unbonding period is the mandatory waiting time between requesting to unstake your crypto and actually receiving it back in a spendable form.
Read the full guide →What Is APY in Crypto (And How It Differs From Traditional Finance)
APY (Annual Percentage Yield) in crypto is the projected yearly return on a staking or DeFi position, including the effect of compounding.
Read the full guide →What Is Arbitrage in Crypto Markets
Arbitrage is buying an asset on one venue where it is cheaper and simultaneously selling it on another where it is more expensive, profiting from the price difference with minimal directional risk.
Read the full guide →What Is Arbitrum (And How to Use It)
Arbitrum is the largest Ethereum Layer 2 rollup by TVL ($13B+ as of mid-2024).
Read the full guide →What Is Base (Coinbase L2)
Base is an Ethereum Layer 2 built by Coinbase using the OP Stack (same technology as Optimism).
Read the full guide →What Is Bitcoin
Bitcoin is a decentralized digital currency that allows peer-to-peer transactions without banks or intermediaries.
Read the full guide →What Is Bitcoin Script
Bitcoin Script is a simple, stack-based programming language used to define the conditions under which Bitcoin can be spent.
Read the full guide →What Is Bitcoin's 21 Million Supply Cap
Bitcoin's code enforces a hard cap of 21 million coins that can ever exist.
Read the full guide →What Is Calldata
Calldata is the read-only input data attached to an Ethereum transaction that tells a smart contract which function to call and what arguments to pass.
Read the full guide →What Is Circulating Supply vs. Total Supply vs. Max Supply
Circulating supply is how many tokens are freely tradeable right now.
Read the full guide →What Is Clipboard Hijacking
Clipboard hijacking is malware that monitors your clipboard and automatically replaces crypto addresses when you copy-paste them.
Read the full guide →What Is Concentrated Liquidity (Uniswap V3)
Concentrated liquidity lets you provide liquidity within a specific price range instead of across all prices (0 to infinity).
Read the full guide →What Is Cosmos / IBC
Cosmos is a network of independent blockchains (app-chains) connected through IBC (Inter-Blockchain Communication), a protocol that lets them transfer tokens and data between each other trustlessly.
Read the full guide →What Is Cost Basis (General Concept)
Cost basis is what you originally paid for an asset, including any fees.
Read the full guide →What Is Data Availability
Data availability is the guarantee that all the transaction data needed to reconstruct a blockchain's state is actually accessible to anyone who wants to verify it.
Read the full guide →What Is Decentralization Actually Measured By
Decentralization is the degree to which a blockchain's control, validation, and development are distributed across independent parties rather than concentrated in one or few entities.
Read the full guide →What Is Delegated Staking
Delegated staking lets you assign your staking weight to an existing validator without running your own node.
Read the full guide →What Is Delegated Voting
Delegated voting lets you assign your governance voting power to another address (a delegate) who votes on your behalf.
Read the full guide →What Is DePIN
DePIN (Decentralized Physical Infrastructure Networks) uses crypto token incentives to crowdsource the deployment and operation of real-world infrastructure: wireless networks, compute, storage, sensors, energy, and m...
Read the full guide →What Is FIFO/LIFO/HIFO Accounting (Mechanics)
FIFO (First In, First Out), LIFO (Last In, First Out), and HIFO (Highest In, First Out) are methods for determining which specific units of crypto you are selling when you have purchased the same token at different pr...
Read the full guide →What Is Finality in a Blockchain
Finality is the guarantee that a transaction, once confirmed, cannot be reversed, altered, or removed from the ledger.
Read the full guide →What Is Funding Rate (Mechanics Only)
The funding rate is a periodic payment between long and short traders on a perpetual futures contract that keeps the perp price anchored to the underlying spot price.
Read the full guide →What Is Gas
Gas is the unit measuring computational effort required to execute operations on Ethereum.
Read the full guide →What Is Hash Rate
Hash rate measures how many hash calculations a miner or network performs per second.
Read the full guide →What Is Impermanent Loss
Impermanent loss is the difference in value between holding tokens in an AMM liquidity pool versus simply holding them in your wallet.
Read the full guide →What Is Interoperability (The General Concept Across Chains)
Interoperability is the ability for different blockchains to communicate, share data, and transfer assets between each other without relying on centralized intermediaries.
Read the full guide →What Is KYC (Know Your Customer)
KYC (Know Your Customer) is the identity verification process that regulated financial services must perform before allowing you to use their platform.
Read the full guide →What Is Liquid Staking
Liquid staking lets you stake your crypto and receive a tradeable receipt token (like stETH or rETH) that represents your staked position plus accruing rewards.
Read the full guide →What Is Liquidity
Liquidity is how easily an asset can be bought or sold without significantly moving its price.
Read the full guide →What Is Machine-to-Machine Payment (Structural)
Machine-to-machine (M2M) payment is autonomous financial transactions between devices, software agents, or AI systems without human involvement in each individual payment.
Read the full guide →What Is MakerDAO (And How DAI Works)
MakerDAO is the protocol behind DAI, a decentralized stablecoin maintained at $1 through overcollateralized crypto vaults and algorithmic interest rates.
Read the full guide →What Is Margin Trading (Mechanics & Risk)
Margin trading means borrowing funds from a platform to trade with more capital than you own, amplifying both gains and losses.
Read the full guide →What Is Metadata (In the NFT Context)
NFT metadata is the JSON file describing what the NFT represents: its name, description, image URL, and any attributes or traits.
Read the full guide →What Is MEV
MEV (Maximal Extractable Value) is the profit that block producers (validators/miners) or specialized searchers can extract by reordering, inserting, or censoring transactions within a block.
Read the full guide →What Is On-Chain Governance
On-chain governance means proposals, votes, and execution all happen directly on the blockchain through smart contracts.
Read the full guide →What Is On-Chain vs. Off-Chain NFT Storage (And Why It Matters)
On-chain storage means the NFT's media and metadata are stored directly in the smart contract (permanent but expensive).
Read the full guide →What Is Peer-to-Peer Networking (In the Blockchain Context)
Peer-to-peer (P2P) networking means every node in the blockchain connects directly to other nodes without a central server.
Read the full guide →What Is Polygon
Polygon is an ecosystem of Ethereum scaling solutions.
Read the full guide →What Is Proof of Personhood / Proof of Humanity (Structural Concept)
Proof of personhood is a mechanism that verifies a crypto address belongs to a unique real human being (not a bot, not a duplicate account, not an AI).
Read the full guide →What Is Proof of Reserves
Proof of reserves is an auditing practice where a crypto custodian (exchange, stablecoin issuer) publicly demonstrates they hold enough assets to cover all customer deposits.
Read the full guide →What Is Proof of Stake
Proof of stake is a consensus mechanism where validators lock up (stake) cryptocurrency as collateral to earn the right to propose and attest to new blocks.
Read the full guide →What Is Proof of Work
Proof of work is a consensus mechanism where miners expend computational energy to solve a cryptographic puzzle, proving they did real work before they can add a new block to the blockchain.
Read the full guide →What Is Protocol-Owned Liquidity (POL)
Protocol-owned liquidity means the protocol itself owns the trading pool liquidity rather than renting it from yield farmers through token emissions.
Read the full guide →What Is Pruning (Node Storage Mechanics)
Pruning is a storage optimization where a full node deletes old block data after validating it, keeping only the current state (account balances, UTXOs) and enough recent history to handle reorganizations.
Read the full guide →What Is Quorum (In DAO Voting)
Quorum is the minimum amount of voting power that must participate in a governance vote for the result to be valid.
Read the full guide →What Is Real-World Collateral (In the RWA/DeFi Sense)
Real-world collateral means traditional assets (US Treasury bills, real estate, corporate bonds, invoices, commodities) that back on-chain tokens or DeFi lending positions.
Read the full guide →What Is Restaking
Restaking lets you take ETH that is already staked (securing Ethereum) and simultaneously pledge it as security for additional protocols or services (oracle networks, bridges, data availability layers, new rollups).
Read the full guide →What Is RWA Tokenization
RWA (Real-World Asset) tokenization is the process of representing ownership of physical or traditional financial assets (real estate, government bonds, commodities, private credit) as tokens on a blockchain.
Read the full guide →What Is SegWit
SegWit (Segregated Witness) is a Bitcoin protocol upgrade activated in August 2017 that separates transaction signature data (the "witness") from the main transaction body.
Read the full guide →What Is Self-Custody
Self-custody means you personally hold the private keys to your cryptocurrency, no exchange, no bank, no intermediary has access to or control over your funds.
Read the full guide →What Is Slashing
Slashing is an automated penalty mechanism in proof-of-stake systems that destroys a portion of a validator's staked collateral when they commit a provably malicious act, such as signing two conflicting blocks or maki...
Read the full guide →What Is Slippage
Slippage is the difference between the expected price of a trade and the actual execution price.
Read the full guide →What Is Social Engineering (Crypto-Specific Framing)
Social engineering in crypto is manipulating people (not code) into making security mistakes: giving up seed phrases, signing malicious transactions, sending funds to attackers, or downloading compromised software.
Read the full guide →What Is Social Recovery for a Wallet
Social recovery is a wallet recovery mechanism where a group of pre-designated trusted parties (guardians) can collectively authorize a new signing key if you lose access to your wallet.
Read the full guide →What Is Solana (How It Differs From Ethereum)
Solana is a high-performance Layer 1 blockchain processing 4,000+ transactions per second at sub-cent fees.
Read the full guide →What Is Staking
Staking means locking up cryptocurrency as collateral to help secure a proof-of-stake blockchain.
Read the full guide →What Is Taproot
Taproot is a Bitcoin upgrade (activated November 2021) that uses Schnorr signatures and MAST (Merkelized Alternative Script Trees) to make complex transactions look identical to simple ones on-chain.
Read the full guide →What Is the Bitcoin Block Reward
The block reward is the newly minted Bitcoin a miner receives for successfully adding a valid block to the blockchain.
Read the full guide →What Is the Bitcoin Mempool
The mempool (memory pool) is each Bitcoin node's waiting room for unconfirmed transactions.
Read the full guide →What Is the EVM (Ethereum Virtual Machine)
The EVM is the runtime environment that executes smart contract bytecode on Ethereum.
Read the full guide →What Is the Lightning Network
The Lightning Network is a Layer 2 payment system built on top of Bitcoin that enables instant, nearly-free transactions by routing payments through pre-funded channels between participants.
Read the full guide →What Is the MiCA Regulation (EU)
MiCA (Markets in Crypto-Assets) is the EU comprehensive regulatory framework for crypto, effective 2024-2025.
Read the full guide →What Is the Travel Rule (Crypto)
The Travel Rule requires regulated crypto businesses to share sender and recipient identity information when transferring funds above a threshold ($3,000 in the US, 1,000 EUR in the EU).
Read the full guide →What Is Token Supply (Fixed vs. Inflationary)
A fixed-supply token has a hard cap on how many will ever exist (Bitcoin: 21 million, never more).
Read the full guide →What Is Tokenomics (The Concept)
Tokenomics is the study of a crypto token's economic design: how many tokens exist, how they are distributed, what creates demand for them, what controls supply over time, and how incentives align (or misalign) betwee...
Read the full guide →What Is Vesting (Token Unlock Mechanics)
Vesting is a time-based schedule that restricts when early investors, team members, and advisors can sell their token allocations.
Read the full guide →What Is Wallet Software vs. a Wallet (The Account)
Wallet software (MetaMask, Ledger Live, Trust Wallet) is the application you use to interact with the blockchain.
Read the full guide →What Is Wash Trading
Wash trading is a person or group buying and selling the same asset to themselves to fake trading volume.
Read the full guide →What Is Yield Farming (Mechanics, Risk-Framed)
Yield farming is providing capital to DeFi protocols in exchange for token rewards, typically by supplying liquidity, lending assets, or staking LP tokens in incentive programs.
Read the full guide →What Nobody Tells You About Running a Validator
Running an Ethereum validator earns ~4% APR on 32 ETH, but the operational reality involves: 24/7 uptime requirements with real penalties for downtime, mandatory software updates on tight timelines (miss one and you f...
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