A reference guide to the technical terms and abbreviations used across Kemiox coverage. Entries are organized alphabetically.
Airdrop
A distribution of cryptocurrency tokens sent to wallet addresses, usually for free. Projects use airdrops to reward early users, build community, or distribute governance tokens. Some airdrops require recipients to have interacted with a protocol before a specific snapshot date.
AML (Anti-Money Laundering)
Laws, regulations, and procedures designed to prevent criminals from disguising illegally obtained funds as legitimate income. Financial institutions are required to implement AML programs that include customer identification, transaction monitoring, and suspicious activity reporting.
AMM (Automated Market Maker)
A type of decentralized exchange protocol that uses mathematical formulas to price assets instead of a traditional order book. Liquidity providers deposit token pairs into pools, and traders swap against those pools. Uniswap and Curve are well-known examples.
API (Application Programming Interface)
A set of rules and protocols that allows different software applications to communicate with each other. In fintech, APIs enable services like payment processing, account aggregation, and data sharing between platforms.
Blockchain
A distributed digital ledger that records transactions across a network of computers. Each block contains a set of transactions and is cryptographically linked to the previous block, making the chain resistant to modification. Used as the underlying technology for cryptocurrencies and various other applications.
Bridge (Token Bridge)
A protocol that allows assets or data to move between two different blockchain networks. For example, a bridge might let you transfer tokens from Ethereum to Polygon. Bridges have historically been targets for major exploits because they hold large amounts of locked funds.
CBDC (Central Bank Digital Currency)
A digital form of a country’s sovereign currency issued directly by the central bank. Unlike commercial bank deposits or cryptocurrencies, CBDCs are backed by the full faith and credit of the issuing government. Can be retail (public-facing) or wholesale (interbank).
CCPA/CPRA (California Consumer Privacy Act / California Privacy Rights Act)
California state privacy laws that give residents rights over their personal data, including the right to know what data is collected, the right to delete it, and the right to opt out of its sale. CPRA expanded and amended the original CCPA.
CEX (Centralized Exchange)
A cryptocurrency exchange operated by a company that acts as an intermediary between buyers and sellers. Users deposit funds with the exchange and trade through its platform. Coinbase, Kraken, and Binance are examples. The exchange holds custody of user assets, which introduces counterparty risk.
Cold Wallet
A cryptocurrency wallet that is not connected to the internet. Used for long-term storage of digital assets because the lack of internet connectivity makes it significantly harder for attackers to access the funds. Contrast with hot wallet.
Consensus Mechanism
The process by which a blockchain network agrees on the current state of the ledger. Common mechanisms include Proof of Work (used by Bitcoin) and Proof of Stake (used by Ethereum since 2022). The mechanism determines how new blocks are validated and added.
Cross-chain
Refers to technology or protocols that enable interaction between two or more independent blockchain networks. Cross-chain swaps, bridges, and messaging systems allow users and applications to operate across multiple chains without being locked into a single ecosystem.
DAO (Decentralized Autonomous Organization)
An organization governed by smart contracts and token-holder votes rather than a traditional management structure. Members typically hold governance tokens that grant voting rights on proposals about how the organization operates and allocates its treasury.
dApp (Decentralized Application)
A software application that runs on a decentralized network (typically a blockchain) rather than on centralized servers. The backend logic is executed through smart contracts, while the frontend can be a standard web interface.
DeFi (Decentralized Finance)
Financial services built on blockchain networks that operate without traditional intermediaries like banks or brokerages. Includes lending, borrowing, trading, insurance, and other financial activities executed through smart contracts.
DEX (Decentralized Exchange)
A cryptocurrency exchange that operates without a central authority, allowing users to trade directly from their wallets through smart contracts. Unlike centralized exchanges, a DEX never takes custody of your funds. Uniswap, SushiSwap, and dYdX are prominent examples.
DID (Decentralized Identifier)
A type of digital identifier defined by the W3C that enables verifiable, self-sovereign identity. Unlike traditional identifiers (email addresses, usernames), DIDs are controlled by the individual rather than a central authority.
Digital Transformation
The process of integrating digital technology into all areas of an organization, changing how it operates and delivers value. Involves modernizing legacy systems, adopting new tools and processes, and often rethinking business models.
Encryption
The process of converting information into a coded format that can only be read by someone with the correct decryption key. End-to-end encryption means that only the sender and recipient can access the content. Used across financial services, communications, and data storage.
EVM (Ethereum Virtual Machine)
The runtime environment for smart contracts on Ethereum and compatible blockchains. It executes bytecode compiled from higher-level languages like Solidity and ensures that contract execution produces the same result on every node in the network.
Fintech (Financial Technology)
Technology applied to financial services. The term covers a broad range of applications: mobile payments, digital lending, robo-advisory, insurance technology, regulatory technology, and cryptocurrency platforms.
Flash Loan
An uncollateralized loan that must be borrowed and repaid within a single blockchain transaction. If the borrower cannot repay the full amount (plus fees) before the transaction completes, the entire operation is reversed as if it never happened. Used for arbitrage, liquidations, and collateral swaps.
Fork (Blockchain)
A change to a blockchain’s protocol. A soft fork is backward-compatible. A hard fork creates a permanent divergence where nodes running the old version will not accept blocks produced by the updated version, effectively creating two separate chains.
Gas
A unit of measurement for the computational effort required to execute transactions or smart contracts on the Ethereum network. Users pay gas fees (denominated in ETH) to compensate validators for processing their transactions.
Governance Token
A cryptocurrency token that grants holders the right to vote on decisions affecting a protocol or DAO. Votes can cover anything from fee structures and treasury allocations to protocol upgrades. Holding more tokens generally means more voting power.
Halving
A scheduled event in certain blockchain protocols (most notably Bitcoin) where the reward for mining a new block is cut in half. Bitcoin’s halving occurs roughly every four years and reduces the rate at which new coins enter circulation.
Hash Rate
The total computational power being used to mine and process transactions on a proof-of-work blockchain. Measured in hashes per second. A higher hash rate generally indicates greater network security because it becomes more expensive to attack the network.
Hot Wallet
A cryptocurrency wallet that is connected to the internet, allowing for quick transactions. Convenient for frequent trading but more vulnerable to hacking than cold storage solutions.
ICO (Initial Coin Offering)
A fundraising method where a project sells newly created tokens to investors, typically before the product is fully built. Popular from 2017 to 2018 and subject to significant regulatory scrutiny due to numerous scams and unregistered securities offerings during that period.
IDO (Initial DEX Offering)
A token sale conducted through a decentralized exchange or launchpad rather than a centralized platform. Emerged partly as a response to the regulatory and access issues associated with ICOs, though IDOs carry their own risks around token price manipulation and bot activity.
Impermanent Loss
The difference in value between holding tokens in a liquidity pool versus simply holding them in a wallet. It occurs when the price ratio of the pooled tokens changes after you deposit them. Called “impermanent” because the loss only becomes permanent if you withdraw while the ratio is different from when you deposited.
KYC (Know Your Customer)
Identity verification procedures that financial institutions are legally required to perform before establishing a business relationship with a customer. Typically involves collecting and verifying identity documents, address information, and in some cases the source of funds.
Layer 2
A secondary protocol built on top of an existing blockchain (the Layer 1) to improve scalability and transaction speed. Examples include Lightning Network (Bitcoin) and Optimism or Arbitrum (Ethereum). Layer 2 solutions process transactions off the main chain and periodically settle them on Layer 1.
Liquidity Pool
A collection of funds locked in a smart contract that facilitates trading on a decentralized exchange. Users (called liquidity providers) deposit token pairs into the pool and earn a share of the trading fees generated. The pool’s algorithm determines prices based on the ratio of tokens in it.
LLM (Large Language Model)
A type of artificial intelligence model trained on massive text datasets to generate, analyze, and understand human language. Used in applications ranging from chatbots and content generation to code completion and data analysis.
MEV (Maximal Extractable Value)
The profit that block producers (miners or validators) can extract by reordering, inserting, or excluding transactions within a block. Common MEV strategies include front-running large trades on DEXs and liquidating undercollateralized loans. MEV has become a significant area of research because of its effects on transaction fairness.
Merkle Tree
A data structure used in cryptography and blockchain where every leaf node contains a hash of a data block, and every non-leaf node contains a hash of its child nodes. Allows efficient and secure verification of data integrity. Bitcoin and Ethereum both use Merkle trees to organize transactions within blocks.
Mining
The process of using computational power to validate transactions and create new blocks on a proof-of-work blockchain. Miners compete to solve cryptographic puzzles, and the winner earns the right to add the next block along with a block reward and transaction fees.
Multisig (Multi-Signature Wallet)
A cryptocurrency wallet that requires more than one private key to authorize a transaction. For example, a 2-of-3 multisig requires any 2 out of 3 designated keyholders to sign off. Used by organizations and DAOs to prevent any single person from moving funds unilaterally.
NFT (Non-Fungible Token)
A unique digital token on a blockchain that represents ownership of a specific item, such as digital art, a collectible, or access rights. Unlike cryptocurrencies, NFTs are not interchangeable with one another.
Node
A computer that participates in a blockchain network by maintaining a copy of the ledger and (depending on the node type) validating transactions. Full nodes store the complete blockchain history. Light nodes store only headers and rely on full nodes for detailed data.
Oracle (Blockchain)
A service that provides external data to smart contracts on a blockchain. Since smart contracts cannot natively access off-chain information (stock prices, weather data, sports scores), oracles act as bridges between real-world data and on-chain logic.
Private Key
A cryptographic key that proves ownership of a blockchain address and allows the holder to sign transactions. Must be kept secret. Anyone with access to your private key can move your funds. Losing your private key means losing access to your assets permanently.
Proof of Stake (PoS)
A consensus mechanism where validators are selected to create new blocks based on the amount of cryptocurrency they have “staked” (locked up as collateral). If a validator acts dishonestly, their stake can be partially or fully confiscated. Less energy-intensive than Proof of Work.
Proof of Work (PoW)
A consensus mechanism where miners compete to solve computationally intensive puzzles to validate transactions and create new blocks. The first to solve the puzzle earns the right to add the block and receives a reward. Bitcoin uses this mechanism.
Public Key
A cryptographic key derived from a private key that can be shared openly. Used to generate wallet addresses and to verify that a transaction was signed by the corresponding private key. Think of it as your account number, while the private key is the password.
RegTech (Regulatory Technology)
Technology solutions designed to help organizations comply with regulatory requirements more efficiently. Includes automated compliance monitoring, reporting tools, identity verification systems, and transaction surveillance platforms.
Rollup
A Layer 2 scaling solution that executes transactions outside the main blockchain but posts transaction data back to it. Optimistic rollups assume transactions are valid and only run computations if challenged. Zero-knowledge rollups use cryptographic proofs to verify correctness upfront.
Rug Pull
A type of scam where the developers of a cryptocurrency project suddenly withdraw all liquidity or funds and disappear. Common in DeFi, where a team might launch a token, wait for investors to add liquidity, then drain the pool.
SBOM (Software Bill of Materials)
A detailed list of all components, libraries, and dependencies used in a software application. SBOMs are increasingly required by regulations as a supply chain security measure, allowing organizations to identify vulnerable components quickly when new threats are discovered.
Seed Phrase
A sequence of 12 or 24 words generated when you create a cryptocurrency wallet. It serves as the master backup for all private keys in that wallet. Anyone who has your seed phrase can reconstruct your wallet and access your funds. Store it offline and never share it.
Sidechain
A separate blockchain that runs alongside a main chain and is connected to it through a two-way bridge. Sidechains can have their own consensus mechanisms and block parameters, allowing for different performance characteristics. Polygon (in its earlier PoS chain form) is a common example.
Slippage
The difference between the expected price of a trade and the price at which the trade actually executes. On decentralized exchanges, slippage increases with larger trade sizes relative to the liquidity pool. Most DEX interfaces let you set a maximum slippage tolerance.
Smart Contract
A self-executing program stored on a blockchain that automatically enforces the terms of an agreement when predefined conditions are met. Written in languages like Solidity (for Ethereum) and executed by the blockchain’s virtual machine.
Stablecoin
A cryptocurrency designed to maintain a stable value relative to a reference asset, typically the US dollar. Mechanisms vary: some are backed by reserves of fiat currency or other assets, others use algorithmic supply adjustments.
Staking
The act of locking up cryptocurrency in a protocol, usually to help secure a proof-of-stake network or to participate in a DeFi protocol. Stakers typically earn rewards in the form of additional tokens. The locked tokens may be subject to a lock-up period during which they cannot be withdrawn.
Tokenomics
The economic design of a cryptocurrency or token, including its supply schedule, distribution model, utility within its ecosystem, and incentive structures. Tokenomics analysis examines whether a token’s design creates sustainable value or is structured primarily to benefit early holders.
TVL (Total Value Locked)
The total amount of cryptocurrency deposited in a DeFi protocol or across all DeFi protocols. Used as a metric to gauge the size and adoption of decentralized finance services.
Validator
A participant in a proof-of-stake blockchain network that proposes and verifies new blocks. Validators typically must lock up a minimum amount of the network’s token as collateral (their stake). They earn rewards for honest participation and face penalties (slashing) for downtime or malicious behavior.
Verifiable Credential (VC)
A tamper-evident digital credential that can be cryptographically verified. Used in decentralized identity systems to prove claims (age, qualifications, membership) without exposing unnecessary personal information.
Wallet Address
A string of characters that serves as a destination for cryptocurrency transactions, similar to a bank account number. Derived from the public key. Safe to share with others for receiving funds. Each blockchain has its own address format.
Web3
A broad term referring to a vision of the internet built on decentralized technologies, primarily blockchain. Encompasses cryptocurrency, DeFi, NFTs, decentralized identity, and decentralized governance. Proponents argue it returns control of data and identity to users; critics question whether the technology delivers on those promises at scale.
Whitepaper
A document published by a blockchain project that describes its technology, purpose, architecture, and tokenomics. Serves as the foundational technical and business document for a project. Quality and detail vary enormously; some are thorough engineering documents, others are little more than marketing materials.
Wrapped Token
A token on one blockchain that represents an asset from another blockchain. For example, Wrapped Bitcoin (WBTC) is an ERC-20 token on Ethereum that is pegged 1:1 to Bitcoin. Wrapping allows assets to be used on chains where they don’t natively exist.
Yield Farming
A DeFi strategy where users move assets between protocols to maximize returns. Typically involves providing liquidity, staking tokens, or participating in incentive programs across multiple platforms. Returns can be high but so are the risks, including smart contract vulnerabilities and impermanent loss.
Zero-Day
A software vulnerability that is unknown to the software vendor and has no available patch at the time of discovery. Called “zero-day” because the vendor has had zero days to fix it. These vulnerabilities are particularly dangerous in financial technology and critical infrastructure.
Zero-Knowledge Proof (ZKP)
A cryptographic method that allows one party to prove to another that a statement is true without revealing any information beyond the validity of the statement itself. Used in blockchain for privacy-preserving transactions and in identity systems for selective disclosure of personal data.