Consensus Mechanism
The rules a blockchain's participants follow to agree on a single, shared transaction history without a central authority.
- By Namefi Team
Data Availability
The confidence that the data needed to verify a block was actually published and is available to network participants.
- By Namefi Team
Digital Signature
Cryptographic proof, generated with a private key, that a transaction was authorized by the account owner and hasn't been altered.
- By Namefi Team
Ethereum Virtual Machine
The stack-based, deterministic runtime that executes smart contract code identically across every Ethereum node.
- By Namefi Team
Fully Homomorphic Encryption
An encryption scheme that allows computation directly on encrypted data, producing an encrypted result without ever decrypting the inputs.
- By Namefi Team
Hash Function
A one-way function that turns any input into a fixed-size fingerprint, used to chain blocks and detect tampering.
- By Namefi Team
Merkle Tree
A tree of hashes that commits to a large dataset in one root hash, letting anyone verify a single item with a short proof.
- By Namefi Team
Optimistic Rollup
A rollup that assumes off-chain transactions are valid by default and relies on a fraud-proof challenge window instead of cryptographic proofs.
- By Namefi Team
Proof of Stake
A consensus mechanism where validators lock up the network's asset as a bond and are chosen to propose blocks in proportion to their stake.
- By Namefi Team
Proof of Work
A consensus mechanism where miners compete to solve a computational puzzle to earn the right to add the next block.
- By Namefi Team
Rollup
A layer 2 scaling technique that executes transactions off the main chain and posts the compressed data and result back to it.
- By Namefi Team
Secure Multi-Party Computation
A cryptographic technique letting several parties jointly compute a result from their private inputs without revealing those inputs to each other.
- By Namefi Team
Sharding
A scaling technique that splits a blockchain's validation work across multiple parallel subsets of nodes instead of one.
- By Namefi Team
Trusted Execution Environment
A hardware-isolated region of a processor that runs code and holds data securely, shielded from the rest of the system including the operating system.
- By Namefi Team
WebAssembly
A portable, near-native-speed binary instruction format that several blockchains use as their smart contract execution engine.
- By Namefi Team
Zero-Knowledge Proof
A cryptographic method that lets one party prove a statement is true without revealing any information beyond its validity.
- By Namefi Team
ZK Rollup
A rollup that submits a cryptographic validity proof with every batch of transactions instead of relying on a fraud-proof challenge window.
- By Namefi Team
301 Redirect
An HTTP status telling browsers and search engines that a page has permanently moved to a new URL.
- By Namefi Team
ICANN-Accredited Registrar
A registrar approved by ICANN under a Registrar Accreditation Agreement to sell gTLD domains.
- By Namefi Team
ACPA
A US law letting trademark owners sue cybersquatters in federal court, an alternative to the UDRP.
- By Namefi Team
Aftermarket
The resale market for already-registered domains, where names are bought and sold between owners.
- By Namefi Team
AML
Anti-Money-Laundering — the ongoing transaction monitoring and reporting regulated services use to detect illicit funds.
- By Namefi Team
Anchor Text
The visible, clickable words of a hyperlink, a signal search engines use to understand the target.
- By Namefi Team
Backlink
An inbound hyperlink from another website to yours; the primary driver of search ranking and domain authority.
- By Namefi Team
Backorder (Drop-Catching)
A service that tries to register a domain the instant it drops, so you can claim an expiring name.
- By Namefi Team
Bad Faith
Registering or using a domain to exploit a trademark, a required element to win a UDRP case.
- By Namefi Team
BGP Hijack
Rerouting internet traffic by falsely announcing IP routes, a network-layer attack that sits below DNS.
- By Namefi Team
Blockchain
A shared, append-only ledger maintained across many computers, the foundation of tokenized ownership.
- By Namefi Team
Brandable Domain
A short, catchy, often invented name that works as a memorable brand, like a made-up word.
- By Namefi Team
Buy It Now
A fixed instant-purchase price on a domain listing — meet it and the sale completes immediately, no negotiation.
- By Namefi Team
ccTLD (Country-Code Top-Level Domain)
A two-letter top-level domain assigned to a country or territory, such as .uk, .de, or .jp.
- By Namefi Team
Comparable Sales
Past sales of similar domains used as benchmarks to estimate what a name is worth.
- By Namefi Team
Cross-Chain Bridge
A protocol that moves tokens or messages between blockchains that cannot natively talk to each other.
- By Namefi Team
Cybersquatting
Registering a domain matching someone else's trademark in bad faith, hoping to profit from it.
- By Namefi Team
DNS Hijacking
Redirecting a domain's traffic by tampering with DNS resolution rather than its registration.
- By Namefi Team
DNS Propagation
The delay before a DNS change is seen everywhere, as cached old records expire across resolvers.
- By Namefi Team
DNS Record Types (A, AAAA, CNAME, MX, TXT)
The entries in a zone that map a domain to addresses and services — A, AAAA, CNAME, MX, TXT, and more.
- By Namefi Team
DNS Resolver (Recursive Resolver)
The server that takes a domain lookup and walks the DNS hierarchy to return the matching address.
- By Namefi Team
Domain Appraisal
Estimating a domain's market value from comparable sales, keyword demand, length, and extension.
- By Namefi Team
Domain Authority
A reputation signal estimating how well a domain ranks, driven largely by quality inbound links.
- By Namefi Team
Domain Broker
An intermediary who negotiates a domain sale between buyer and seller, usually for a commission.
- By Namefi Team
Domain Expiration
The date a domain's registration ends; if not renewed, it begins a lapse process toward deletion.
- By Namefi Team
Domain Financing
Paying for a domain over time in installments instead of a single upfront sum.
- By Namefi Team
Domain Forwarding
Sending visitors from one domain automatically to another address, often via a 301 redirect.
- By Namefi Team
Domain Hack
A name that spans the dot to spell a word using the TLD, like del.icio.us or examp.le.
- By Namefi Team
Domain Hijacking
The theft of a domain by gaining unauthorized control of its registrar account or registration.
- By Namefi Team
Domain Landing Page
The single page shown on a parked or for-sale domain, often with ads, search, or a purchase offer.
- By Namefi Team
Liquidity
How quickly a domain can be sold near its estimated value — high for great names, low for niche ones.
- By Namefi Team
Domain Parking
Placing ads or a for-sale notice on an undeveloped domain to earn revenue or signal availability.
- By Namefi Team
Domain Portfolio
A collection of domains held by one owner, managed as an investment with renewals, sales, and valuation.
- By Namefi Team
Domain Renewal (Auto-Renew)
Paying to extend a domain's registration before it expires, often automatically each term.
- By Namefi Team
Domain Tasting (AGP)
A largely defunct tactic of registering domains then cancelling within the free add-grace period.
- By Namefi Team
Domain Theft
The unauthorized transfer of a domain out of its rightful owner's control, often via account compromise.
- By Namefi Team
Domaining
The practice of investing in domain names — registering, buying, and selling them for profit.
- By Namefi Team
End User
A buyer who wants a domain to actually use for a business or project, not to resell it.
- By Namefi Team
EPP Status Codes
The standardized flags on a domain that show its state — locked, on hold, pending transfer, and more.
- By Namefi Team
EPP
The standard protocol registrars use to register and manage domains with a registry.
- By Namefi Team
ERC-20
The Ethereum standard for fungible tokens like stablecoins, complementing the ERC-721 NFT standard.
- By Namefi Team
Ethereum
The leading smart-contract blockchain, and the network most tokenized domains are issued on.
- By Namefi Team
Exact-Match Domain
A domain that exactly matches a search keyword, like besthotels.com, once highly prized for SEO.
- By Namefi Team
Grace Period
A short window right after a domain expires when you can still renew it at the normal price.
- By Namefi Team
gTLD (Generic Top-Level Domain)
A top-level domain not tied to a country, such as .com, .org, or .xyz, run under ICANN contract.
- By Namefi Team
Holding Cost
The ongoing renewal fees an investor pays to keep a domain until it sells.
- By Namefi Team
IANA (Internet Assigned Numbers Authority)
The function that maintains the DNS root zone and allocates IP address blocks and protocol numbers.
- By Namefi Team
IDN (Internationalized Domain Name) / Punycode
A domain using non-ASCII characters, encoded for DNS as ASCII Punycode beginning with xn--.
- By Namefi Team
IP Address (IPv4 / IPv6)
The numeric address that identifies a device on a network, which DNS maps a domain name to.
- By Namefi Team
IPFS
A peer-to-peer protocol that addresses files by their content, used to host decentralized web data.
- By Namefi Team
Keyword Domain
A domain built around a valuable search keyword or phrase, valued for descriptive clarity.
- By Namefi Team
KYC
Know Your Customer — the identity-verification checks a regulated financial or crypto service runs before onboarding a user.
- By Namefi Team
Layer 2
A network built on top of a blockchain to make transactions faster and cheaper, like Base on Ethereum.
- By Namefi Team
Lease-to-Own
Acquiring a domain through recurring payments that build toward full ownership, a sibling of rent-to-own.
- By Namefi Team
Make Offer
A domain listing that invites buyers to submit a bid the seller can accept, counter, or decline.
- By Namefi Team
Minting
Creating a new token on a blockchain — for a domain, issuing the NFT that represents its ownership.
- By Namefi Team
Nameserver (NS Record)
A server that answers DNS queries for a domain; its NS records name the authoritative servers.
- By Namefi Team
New gTLD
A generic top-level domain introduced by ICANN's expansion program, such as .app, .xyz, or .shop.
- By Namefi Team
Pending Delete (Drop)
The final status before an unrenewed domain is released back to the public for registration.
- By Namefi Team
Phishing
Tricking people into revealing credentials or funds via fake sites and messages that impersonate trusted brands.
- By Namefi Team
PPC
An ad model where the owner earns each time a visitor clicks an ad, used to monetize parked domains.
- By Namefi Team
Premium Domain
A high-value domain priced above standard rates for its memorability, brevity, or keyword strength.
- By Namefi Team
Private Key
The secret number that controls a blockchain account and signs its transactions; it must never be shared.
- By Namefi Team
Public Key
The shareable half of a blockchain key pair, derived from the private key; used to receive funds and verify signatures.
- By Namefi Team
Redemption Period (RGP)
A post-expiration window where a lapsed domain can be recovered, usually for a steep redemption fee.
- By Namefi Team
Registrant
The person or organization that holds the rights to a registered domain name — the owner of record.
- By Namefi Team
Registry Lock
A high-security service where the registry freezes a domain so changes need manual out-of-band approval.
- By Namefi Team
Registry
The organization that operates the authoritative database and nameservers for a top-level domain, delegating retail sales to registrars.
- By Namefi Team
Reseller
A company that sells domains under a larger registrar's accreditation rather than holding its own.
- By Namefi Team
Reserve Price
The lowest price a seller will accept, often hidden, below which an offer or auction bid is rejected.
- By Namefi Team
Reserved Names (Blocked Names)
Domains a registry withholds from open registration, such as premium, policy, or protected labels.
- By Namefi Team
Retail Pricing
The price an end user pays for a domain they intend to use — typically far above the wholesale investor floor.
- By Namefi Team
Reverse Domain Hijacking
Abusing the UDRP in bad faith to try to seize a domain from its legitimate owner.
- By Namefi Team
Root Zone (Root Servers)
The top of the DNS hierarchy, listing every TLD and the servers authoritative for it.
- By Namefi Team
Second-Level Domain (SLD)
The label directly left of the TLD — the "example" in example.com — the part you actually register.
- By Namefi Team
Sell-Through Rate
The share of a domain portfolio that sells in a given period — a key liquidity metric for investors.
- By Namefi Team
SERP
The page of results a search engine returns for a query, where domains compete for visibility.
- By Namefi Team
Short Domain
Very short domains — three to four letters or all-digits — prized for brevity, especially in some markets.
- By Namefi Team
Subdomain
A prefix added to a domain to create a separate address, such as blog.example.com or app.example.com.
- By Namefi Team
TLD SEO Impact
How a domain's extension does and doesn't affect search rankings — content and links matter more.
- By Namefi Team
Trademark Clearinghouse
ICANN's central trademark database powering Sunrise pre-registration and brand claims in new gTLDs.
- By Namefi Team
Tokenized Domain
A real DNS domain whose ownership is represented as a blockchain token you hold in a wallet.
- By Namefi Team
Trademark
A legally protected mark identifying a brand's goods or services, central to many domain disputes.
- By Namefi Team
Transfer Lock
A status that blocks a domain from transferring to another registrar until it is explicitly unlocked.
- By Namefi Team
TTL (Time to Live)
How long, in seconds, a DNS record may be cached by resolvers before it must be looked up again.
- By Namefi Team
Type-In Traffic
Visitors who reach a site by typing a guessed domain directly, the basis of domain parking revenue.
- By Namefi Team
Typosquatting
Registering misspellings of popular domains to catch mistyped traffic, often for ads or phishing.
- By Namefi Team
URS
A fast, low-cost remedy that suspends a clearly infringing domain, complementing the UDRP.
- By Namefi Team
WHOIS Privacy
A service that masks a registrant's personal contact details in public WHOIS or RDAP records.
- By Namefi Team
Wholesale Pricing
The investor-to-investor floor price for a domain — what a domainer accepts to liquidate quickly, below retail.
- By Namefi Team
WIPO
The UN agency whose arbitration center decides many UDRP domain-name disputes.
- By Namefi Team
Zone File (Glue Record)
The text file holding all the DNS records for a domain, including glue records for its nameservers.
- By Namefi Team
AI Agent
Software powered by an AI model that acts on a user's behalf — making purchases, calling APIs, and increasingly transacting with other agents.
- By Namefi Team
Auth Code (EPP Code, Transfer Code)
A short per-domain secret a registrar issues to authorize moving a domain to another registrar, also called an EPP code or transfer code.
- By Namefi Team
DeFi (Decentralized Finance)
Decentralized Finance offers lending, borrowing, and trading through smart contracts on public blockchains, without banks or brokers as intermediaries.
- By Namefi Team
DNSSEC (Domain Name System Security Extensions)
Cryptographic signatures on DNS records that let resolvers verify a response is authentic and was not forged or tampered with in transit.
- By Namefi Team
ENS (Ethereum Name Service)
The Ethereum Name Service maps human-readable names like alice.eth to wallet addresses and records, managed entirely by on-chain smart contracts.
- By Namefi Team
ERC-721 (NFT Standard)
The Ethereum standard interface for non-fungible tokens that lets wallets and marketplaces handle any unique token, including tokenized domains, alike.
- By Namefi Team
Gas (Transaction Fees)
The fee paid to process a transaction on a blockchain, priced in the network's native asset and rising with congestion; Layer 2s charge far less.
- By Namefi Team
Hardware Wallet
A dedicated offline device that stores a wallet's private keys and signs transactions on-device, so the keys never touch an internet-connected computer.
- By Namefi Team
Seed Phrase (Recovery Phrase, Mnemonic)
A list of 12 or 24 words that encodes a wallet's master key; anyone holding it controls the wallet, so it is the one thing you must back up.
- By Namefi Team
Stablecoin
A cryptocurrency designed to hold a steady value against a reference like the US dollar, used to pay and settle without crypto price volatility.
- By Namefi Team
TLD
A top-level domain (TLD) is the rightmost label in a domain name, such as .com, .org, or .de, delegated through the IANA root zone under ICANN oversight.
- By Namefi Team
WHOIS (and RDAP)
WHOIS and its successor RDAP are the public lookup services for a domain's registration details, such as its registrar and expiration date.
- By Namefi Team
x402
An open protocol that uses the HTTP 402 Payment Required status to let servers and AI agents request and receive on-chain payments inline with requests.
- By Namefi Team
Atomic transfer
A transaction that completes fully or not at all, never in a partial state, so an asset and its payment swap in one indivisible on-chain step.
- By Namefi Team
Auction (Dutch, English, dynamic)
A competitive sale format where buyers bid to set the price, run as English (ascending), Dutch (descending), or dynamic timed auctions.
- By Namefi Team
Automated delegation
Handing control of a domain or its records to a smart contract that enforces rules automatically, with no human approving each change.
- By Namefi Team
Censorship-free
A property where no single authority can unilaterally seize, block, or alter ownership, because control rests with the holder's keys on a public ledger.
- By Namefi Team
Collateral
An asset pledged to secure a loan that the lender can claim on default; a tokenized domain can serve as collateral in NFT-aware lending.
- By Namefi Team
Composability
The ability to combine independent on-chain components like building blocks, so a tokenized domain can plug into lending, trading, and other protocols.
- By Namefi Team
Cross-registrar transfer
Moving a domain's registration from one ICANN registrar to another using an auth code, while keeping the same owner and the same name.
- By Namefi Team
Cryptographic security
Protection based on public-key cryptography, where only the holder of a private key can authorize actions, rather than a password a server could leak.
- By Namefi Team
Custodial ownership
An arrangement where a third party holds the private keys to your assets for you, so you depend on their security and their permission to transact.
- By Namefi Team
DAO (Decentralized Autonomous Organization)
A Decentralized Autonomous Organization run by smart-contract rules and member voting rather than a central executive, often managing a shared treasury.
- By Namefi Team
DID (Decentralized Identity)
A Decentralized Identifier is a globally unique ID controlled by its owner's keys rather than a central registry, used to prove identity across services.
- By Namefi Team
DNS
The hierarchical naming system that translates human-readable domain names into the IP addresses computers use to route traffic across the internet.
- By Namefi Team
Domain bundle
A group of related domain names sold or managed together as one package, often covering multiple TLDs or spelling variants of a single brand.
- By Namefi Team
Domain trading
Buying and selling domain names to profit from price differences, ranging from quick flips to long-term holds in a managed portfolio.
- By Namefi Team
Escrow
A neutral third party or smart contract that holds funds or assets until both sides meet the agreed terms, then releases them, cutting counterparty risk.
- By Namefi Team
Farcaster
A decentralized social network built on Ethereum where accounts, identities, and social graphs live on-chain rather than on one company's servers.
- By Namefi Team
Fractional ownership
Splitting a single high-value asset into smaller tradable shares so several people can own portions of it, enabled on-chain by token standards.
- By Namefi Team
ICANN
The nonprofit that coordinates the global domain name system, IP allocation, and protocol identifiers, and accredits domain registrars worldwide.
- By Namefi Team
Internet-native asset
An asset that originates and lives on the internet itself, like a domain or token, rather than being a digital record of a physical or legal object.
- By Namefi Team
Leasing
Renting the use of a domain for a recurring fee while keeping ownership, with smart contracts able to enforce terms and automate the payments.
- By Namefi Team
Lending protocol
A smart-contract platform where users supply assets to earn interest and borrowers take loans against collateral, with no bank as intermediary.
- By Namefi Team
Lens
Lens Protocol is a decentralized social graph where profiles, follows, and posts are owned by users as on-chain assets they can carry between apps.
- By Namefi Team
Marketplace (e.g., OpenSea, Blur)
An online venue where buyers and sellers trade assets; for NFTs and tokenized domains, examples include OpenSea and Blur.
- By Namefi Team
Multi-sig
A wallet that needs several private keys to approve a transaction, such as two of three signers, so one compromised key cannot move funds alone.
- By Namefi Team
NFT (Non-Fungible Token)
A Non-Fungible Token is a unique, indivisible blockchain token used to represent ownership of a specific item such as a tokenized domain.
- By Namefi Team
Permissionless
A system anyone can use or build on without a gatekeeper's approval, because the rules are enforced by open protocols rather than a central authority.
- By Namefi Team
Protocol asset
An asset whose existence and rules are defined by an open protocol's smart contracts, so it works the same for everyone without a controlling company.
- By Namefi Team
Registrar
An ICANN-accredited company authorized to register domain names on behalf of the public, acting as the interface between registrants and registries.
- By Namefi Team
Rent-to-own
A purchase arrangement where the buyer pays in installments while using the domain and gains full ownership once the agreed total is paid.
- By Namefi Team
Revenue-sharing
An arrangement that automatically splits income from an asset among parties by preset percentages, enforceable on-chain by smart contracts.
- By Namefi Team
SEO (Search Engine Optimization)
Search Engine Optimization is the practice of improving a site's content and structure so it ranks higher in search results and draws more visitors.
- By Namefi Team
Smart contract
A program stored on a blockchain that runs exactly as written when its conditions are met, enabling agreements that execute without an intermediary.
- By Namefi Team
UDRP (Uniform Domain-Name Dispute-Resolution Policy)
ICANN's mandatory policy for resolving domain disputes, mainly trademark and cybersquatting claims, as a faster, cheaper alternative to court.
- By Namefi Team
Wallet
Software or a device that stores the private keys controlling your on-chain assets and signs transactions, such as MetaMask or a hardware wallet.
- By Namefi Team
Web3
A vision of the internet on public blockchains where users own their data, assets, and identity through their own keys, not platform accounts.
- By Namefi Team
Domain ownership
The rights to control, use, and transfer a domain; tokenization records those rights on-chain in a wallet instead of only in a registrar account.
- By Namefi Team
On-chain
Describes data or actions recorded directly on a blockchain, where they are public, verifiable, and secured by the network rather than a private server.
- By Namefi Team
Tokenize
To represent ownership of an asset like a domain as a transferable token on a blockchain so it can be held in a wallet and traded on-chain.
- By Namefi Team