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The Book of Jargon®Blockchain, Crypto & Web3

An interactive glossary of acronyms, slang, and industry terminology.

The Book of Jargon® – Blockchain, Crypto & Web3 is one in a series of practice area and industry-specific glossaries published by Latham & Watkins. 

The definitions provide an introduction to each term and may raise complex legal issues on which specific legal advice is required. The terms are also subject to change as applicable laws and customary practice evolve. 

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The information contained herein is not legal advice and should not be construed as such. 

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51% Attack,Accidental Fork,Account Tree,Address,Administrator,Agreement Ledger,Airdrop,Algorithm,Altcoin,Alternative History Attack,AML,AML Officer,AML Program,Anti-Money Laundering (AML),API,Application Program Interface,Application-Specific Integrated Circuit (ASIC),Arbitrage,Asset,Asset Token,Asymmetric-Key Cryptography,Atomic Swap,Attestation Ledger,Balance Attack,Bandwidth,Bank Secrecy Act (BSA),Bear,Bit,Bitcoin/bitcoin,Bitcoin Standard Transaction Type,Bitcoin Transaction Locktime,BitLicense,Block,Block Data,Block Explorer,Block Header,Block Height,Block Reward,Block-Withholding Attack,Blockchain,Blockchain 1.0,Blockchain 2.0,Blockchain 3.0,Blockchain Network User,Bounty,Bribery Attack,BSA,Bull,Burn,Byzantine Fault,Centralized Exchange,Centralized Ledger,Centralized Network,CFTC,Chaincode,Chainwashing,Checksum,Child Chain,Coin,Cold Storage,Collective Investment Scheme,Commodity,Commodity Futures Trading Commission (CFTC),Complete Block,Confirmation,Confirmed Transaction,Conflict,Conflict Resolution,Consensus,Consortium Blockchain,Consumer Token,Convertible Virtual Currency,Cross-Chain,Cross-Chain Atomic Swap,Crypto-to-Crypto Exchange,Cryptocurrency,Cryptographic Hash Function,Cryptographic Nonce,Cryptography,Cryptojacking,Currency,Custody,Dapp,Database,Decentralized Application (Dapp),Decentralized Autonomous Cooperative,Decentralized Autonomous Organization (DAO),Decentralized Exchange (DEX),Decentralized Network,Decoupling,Delegated Proof of Stake (DPOS),Demurrage,Derivative,Digital Asset,Digital Signature,Discount Token,Distributed Denial of Service (DDOS) Attack,Distributed Ledger,Distributed Ledger Technology (DLT),Distributed Network,DLT,Dolphin,Double Spend (Attack),Double Spend (Problem),Dust Transaction,E-Currency,E-Precious Metal,Elliptic Curve Digital Signature Algorithm (ECDSA),Enterprise Ethereum Alliance (EEA),Escrow,Ether,Ethereum,Ethereum Request for Comment (ERC) Token Standard,Ethereum Virtual Machine (EVM),EVM,Exchange,Exchanger,Fault Tolerance,Fear of Missing Out (FOMO),Fear, Uncertainty, and Doubt (FUD),Federated Blockchain,Fiat,Fiat Exchange,Financial Crimes Enforcement Network (FinCEN),FinCEN,Finney Attack,Fish,Fork,Fraud Proof,Full Node,Futures Contract,Gas,Gas Limit,Generation Transaction,Genesis Block,Gwei,Hack,Hard Cap,Hard Fork,Hash,Hash Chain,Hash Digest,Hash Function,Hash Rate,Hashing,HODL,Honeypot,Howey Test,ICO,Immutable,Incentive Mechanism,Initial Coin Offering (ICO),Initial Exchange Offering (IEO),Intermediary,Interoperability,Irreversible Transaction,Joy of Missing Out (JOMO),Know Your Customer (KYC),KYC,Latency,Ledger,Lightweight Node,Limit Buy,Limit Order,Limit Sell,Liquidity,Long / Long Position,Mainnet,Market Capitalization,Market Order,Merkle Root,Merkle Tree,Miner,Mine/Mining,Mining Pool,Mining Rig,Minting,Mixer,Money Services Business (MSB),Money Transmission,Money Transmitter,Moon/Mooning,MSB,Multi-Signature Wallet,Nationwide Multistate Licensing System (NMLS),Native Token,New York State Department of Financial Services (NYSDFS),Node,Nonce,Non-Fungible Token,Non-Native Token,NYSDFS,OFAC,Off-Chain,Office of Foreign Assets Control (OFAC),On-Chain,Oracle,Orphan,OTC,OTC Broker,Over the Counter (OTC) Trading,P2P,Payment Token,Peer to Peer (P2P),Permissioned,Permissionless,Permissions,Ponzi Scheme,POS,POS Consensus Model,POW,POW Consensus Model,Pre-Mine,Prepaid Access,Pre-Sale,Privacy Coin,Private Address,Private Blockchain,Private Key,Private Placement,Private Placement Memorandum (PPM),Private Sale,Proof of Activity,Proof of Authority,Proof of Burn,Proof of Developer,Proof of Stake (POS),Proof of Work (POW),Protocol,Public Address,Public Blockchain,Public Key,Public Sale,Publishing Node,Pump and Dump,Pumping,Race Attack,Regulation A (Reg A),Regulation D (Reg D),Regulation S (Reg S),Replicated Ledger,Reward System,Roadmap,Round Robin Consensus Model,Satoshi,Satoshi Nakamoto,Scrypt,SEC,Secure Hash Algorithm 256 (SHA-256),Securities and Exchange Commission (SEC),Security,Security Token,Security Token Offering (STO),Seed Phrase,Segregated Witness (SegWit),SHA-256,Sharding,Shilling,Short / Short Position,Side Chain,Smart Contract,Soft Cap,Soft Fork,Solidity,Stablecoin,Staking,Stored Value,Swap,Symbol/Ticker,Tamper Evident,Tamper Resistant,Testnet,Token,Token Generation Event (TGE),Token Velocity,Tokenization,Transaction Fee,Transaction Pool,Trustless,Tumbler,Turing Complete,Two-Factor Authentication (2FA),Unconfirmed Transaction,Utility Token,Validation,Vector76 Attack,Virtual Currency,Volatility,Wallet (Hardware),Wallet (Software),Wei,Whale,Whale Club,White Paper,Yellow Paper,Zero Confirmation Transaction,Zero Knowledge Proof,Leverage