Category Definition

1. Category in Product

On the KYA address search results page, in the Category section mentioned above, it will display the category to which the current address belongs.

The detailed categories and their corresponding definitions are provided below.

Figure1: KYA address search results page

2. Category Definition

Here are the categories designed by Chaintool.

Category for KYA: In order to provide as much information about the address as possible, KYA categories will be detailed to offer more informative content.

Category for KYT: As KYT relies on category definition rules and is not suitable for excessive categories, we map KYA categories into a smaller space for KYT.

Index	Risk Level	Category For KYA	Category For KYT	Description
1	LOW	ICO	ICO	Addresses used to receive funds during an initial coin offering (ICO) or other crowdfunding mechanisms
2	LOW	Token Sale	ICO	Addresses used during a token sale where users can buy tokens at an initial price, including initial coin offerings (ICO) and initial dex offerings (IDO)
3	LOW	Mining Pool	Mining Pool	An organization that brings together multiple miners to collectively mine cryptocurrency.
4	LOW	Coinswapper	Exchange	Associated with services that allow users to swap one cryptocurrency for another without requiring users to deposit funds into the service wallet first.
5	LOW	Cold Storage	Exchange	An offline wallet used to securely store large amounts of cryptocurrency for extended periods of time.
6	LOW	Exchange	Exchange	A centralized exchange (CEX) that allows users to trade cryptocurrencies in exchange for fiat or other cryptocurrencies.
7	LOW	Hot Wallet	Exchange	An online wallet that offers easy and quick access to cryptocurrency funds for everyday use.
8	LOW	FIAT	FIAT	Addresses controlled by businesses that allow customers to trade fiat currencies.
9	LOW	KYC	KYC	Used for exchanges or other service that require customers to provide a valid ID document to trade fiat-to-crypto or crypto-to-crypto.
10	LOW	Law Enforcement	Law Enforcement	An address or wallet certified to belong to a law enforcement agency (LE).
11	LOW	Bridging User	Others	An address that interacted with a smart contract used by platforms or projects that provide interoperability solutions to connect different blockchain networks.
12	LOW	Defi User	Others	An address that interacted with a smart contract used for decentralized finance (DeFi) projects, including decentralized exchanges, yield farming, lending, and more.
13	LOW	DEX User	Others	An address that interacted with a smart contract for a decentralized exchange used to facilitate peer-to-peer trading of cryptocurrencies without a central authority.
14	LOW	Lending User	Others	An address that interacted with a smart contract belonging to lending platforms or peer-to-peer lending services.
15	LOW	Username	Others	Personal wallet address.
16	LOW	Vault User	Others	An address that interacted with a smart contract-based system that automatically invests cryptocurrency funds to generate yield for users, commonly used in decentralized finance (DeFi) applications and managed by the protocol or community.
17	LOW	Yield Aggregator User	Others	An address that interacted with a smart contract used for yield farming strategies where users can deposit cryptocurrencies to earn rewards and/or fees on a decentralized platform.
18	LOW	Wallet	Wallet	A wallet is a software or hardware device used to store cryptocurrency private keys and sign transactions.
19	MEDIUM	Asset Management	Financial Services	Related to a business or service that manages cryptocurrency assets on behalf of clients.
20	MEDIUM	ATM	Financial Services	Related to a cryptocurrency ATM that allows users to buy or sell cryptocurrencies using cash or debit/credit cards.
21	MEDIUM	Auction	Financial Services	Related to an auction that can be held by a variety of entities, including law enforcement agencies (LEA).
22	MEDIUM	Derivatives	Financial Services	A derivatives entity is an organization that specializes in trading cryptocurrency derivatives, such as futures, options, and swaps.
23	MEDIUM	Eth 2 Staker	Financial Services	Addresses that have staked Ether at the Ethereum 2.0 Beacon Chain to help secure the network and earn rewards.
24	MEDIUM	Financial Services	Financial Services	Related to a financial service that operates within the crypto ecosystem but does not fit into any of the other categories.
25	MEDIUM	Fund	Financial Services	A fund is an entity that pools capital from multiple investors and uses it to invest in a variety of assets, including cryptocurrencies.
26	MEDIUM	Insurance	Financial Services	Related to a business or service that provides insurance coverage for cryptocurrency assets stored on the blockchain.
27	MEDIUM	Lending	Financial Services	Related to lending or borrowing activities in the crypto space, such as those belonging to lending platforms or peer-to-peer lending services.
28	MEDIUM	Liquid Staking	Financial Services	Companies that allow users to stake their PoS tokens and receive liquid staking derivatives in exchange.
29	MEDIUM	Payments	Financial Services	Associated with companies providing on-chain payment processing services, allowing users to send and receive cryptocurrency payments on the blockchain.
30	MEDIUM	Staking	Financial Services	Addresses used for staking, where users can lock up their cryptocurrency to help secure a network and earn rewards.
31	MEDIUM	Vault	Financial Services	A smart contract-based system that automatically invests cryptocurrency funds to generate yield for users, commonly used in decentralized finance (DeFi) applications and managed by the protocol or community.
32	MEDIUM	Yield	Financial Services	Related to a yield service that allows users to earn interest on their cryptocurrency deposits.
33	MEDIUM	Yield Farming	Financial Services	Addresses used for yield farming strategies where users can deposit cryptocurrencies to earn rewards and/or fees on a decentralized platform.
34	MEDIUM	Advertising	Services	Addresses used for advertising-related activities in the crypto environment.
35	MEDIUM	Charity	Services	Controlled by an organization that accepts crypto donations for charitable causes.
36	MEDIUM	Company Funds	Services	Addresses managed by companies, projects, or foundations, which are usually used for treasury management, paying salaries, or other expenses.
37	MEDIUM	Donation	Services	Controlled by an organization that accepts crypto donations for any purpose.
38	MEDIUM	E-Commerce	Services	An e-commerce entity is an organization that uses cryptocurrency as a payment method for goods and services.
39	MEDIUM	Energy	Services	Addresses used by entities that are bringing energy-related products into the blockchain.
40	MEDIUM	Identity	Services	An identity entity is an organization that provides on-chain identity-related products, such as decentralized identifiers (DIDs) and verifiable credentials.
41	MEDIUM	Infra	Services	Related to a business or service that provides infrastructure services to support the operation of blockchain networks.
42	MEDIUM	Merchant	Services	Addresses or wallets that are associated with merchants who accept payment in cryptocurrencies.
43	MEDIUM	Multichain	Services	Addresses used by platforms or projects that enable communication and transfer of assets between multiple blockchain networks.
44	MEDIUM	Multisig	Services	An address that requires approval from multiple parties to access cryptocurrency funds, providing an additional layer of security. Commonly used by exchanges and institutional investors.
45	MEDIUM	Oracle	Services	Related to a service that provides off-chain data to smart contracts. Oracles allow smart contracts to interact with external data sources, making them more versatile and useful.
46	MEDIUM	Privacy	Services	Associated with products or services that provide privacy solutions on the blockchain.
47	MEDIUM	Router	Services	Associated with router services that allow users to swap tokens across multiple liquidity pools.
48	MEDIUM	Services	Services	Related to a business or service that operates within the crypto ecosystem but does not fit into any of the other categories.
49	MEDIUM	Sidechain	Services	Associated with sidechain solutions built on top of the Ethereum blockchain, allowing developers to deploy decentralized applications with increased throughput and scalability.
50	MEDIUM	Sport	Gambling	Associated with sport-related products or services, including fantasy sports, sports betting, and collectibles.
51	MEDIUM	Streaming	Services	Related to a business or service that provides streaming media content using cryptocurrency payments.
52	MEDIUM	Token Team	Services	An address or wallet that is controlled by the team responsible for creating and maintaining a particular cryptocurrency token.
53	MEDIUM	Validator	Services	Associated with validators that help secure Proof-of-Stake (PoS) blockchain networks.
54	MEDIUM	DAO	Smart Contract	Related to a DAO is an organization that is run by rules encoded as computer programs called smart contracts.
55	MEDIUM	Dapp	Smart Contract	Addresses used by decentralized applications (dApps) to interact with smart contracts and blockchain networks
56	MEDIUM	Defi	Smart Contract	Addresses used for decentralized finance (DeFi) projects, including decentralized exchanges, yield farming, lending, and more
57	MEDIUM	Deployer	Smart Contract	Addresses that have been used to deploy smart contracts
58	MEDIUM	Erc1155 Token	Smart Contract	An ERC1155 token is a type of cryptocurrency token that is created and managed on the Ethereum blockchain using the ERC1155 standard
59	MEDIUM	Erc20 Token	Smart Contract	An ERC20 token is a type of cryptocurrency token that is created and managed on the Ethereum blockchain using the ERC20 standard
60	MEDIUM	Erc721 Token	Smart Contract	An ERC721 token is a type of cryptocurrency token that is created and managed on the Ethereum blockchain using the ERC721 standard
61	MEDIUM	Factory Contract	Smart Contract	Smart contracts used to create and deploy multiple instances of other smart contracts
62	MEDIUM	Fraud Proof	Smart Contract	Smart contracts used to prove fraudulent activities or invalid state transitions on layer 2 protocols
63	MEDIUM	Genesis	Smart Contract	Genesis addresses used to mint/burn
64	MEDIUM	L2	Smart Contract	An address or wallet associated with a layer 2 scaling solution built on top of the Ethereum network.
65	MEDIUM	Mev Bot	Smart Contract	Addresses used by MEV bots for transaction extraction and prioritization
66	MEDIUM	NFT	Smart Contract	An address controlled by an NFT marketplace that facilitates the buying, selling, or trading of non-fungible tokens.
67	MEDIUM	Proxy	Smart Contract	Contract that acts as a proxy to another contract and is used to upgrade the logic of the target contract without changing its address
68	MEDIUM	Smart Contract	Smart Contract	An address used by developers or teams to deploy smart contracts on a blockchain for decentralized applications or other projects.
69	MEDIUM	Stablecoin	Smart Contract	Addresses used for stablecoin projects, including centralized and decentralized stablecoins
70	MEDIUM	Deprecated	Deprecated	A smart contract that is no longer in use and has been deprecated by the protocol or development team.
71	MEDIUM	Bridging	Bridging	Addresses used by platforms or projects that provide interoperability solutions to connect different blockchain networks
72	MEDIUM	DEX	DEX	An address or wallet used in decentralized exchanges to facilitate peer-to-peer trading of cryptocurrencies without a central authority.
73	MEDIUM	Marketplace Aggregator	DEX	Related to a business or service that consolidates data from multiple decentralized exchanges or NFT markets in order to provide users with a comprehensive view of the market.
74	MEDIUM	Gambling	Gambling	Related to a gambling website that allows users to place bets on various games using cryptocurrencies.
75	MEDIUM	Gaming	Gambling	Related to a gaming platform or game that allows users to buy, sell or trade digital assets or in-game items.
76	MEDIUM	Mixer	Mixer	Addresses or wallets that are associated with crypto mixers or tumblers, which are services that mix multiple transactions together in order to obfuscate the origin of the funds.
77	MEDIUM	NO KYC	NO KYC	Used for exchanges or other service that do not require customers to provide a valid ID document to trade fiat-to-crypto or crypto-to-crypto.
78	MEDIUM	Vulnerable	Vulnerable	An address whose private keys have been compromised or are publicly available, exposing it to the risk of unauthorized access or theft.
79	HIGH	Darknet	Darknet	Addresses belonging to services hosted on the dark web, or being involved in dark web transactions.
80	HIGH	Theft	Theft	Addresses that have been identified as being involved in theft or hacking of cryptocurrencies.
81	HIGH	Weapons	Weapons	An address or wallet that is involved in the sale or exchange of weapons using cryptocurrency.
82	HIGH	Fake KYC	Fake KYC	Addresses related to fake KYC procedures
83	HIGH	Black Mail Activities	High Risk	Addresses that threaten to reveal sensitive information or personal data in exchange for ransom payments
84	HIGH	Constrainted	High Risk	Addresses that have been restricted or blocked from using centralized or decentralized exchanges due to suspicious activities or high-risk status
85	HIGH	Cybercrime	High Risk	Addresses related to cybercrimes such as hacking, data theft, and ransomware
86	HIGH	Financial Crime	High Risk	Addresses related to financial crimes such as money laundering, fraud, and tax evasion.
87	HIGH	High Risk	High Risk	Addresses that are associated with suspicious, fraudulent, or illegal activities that are not covered by other categories.
88	HIGH	Malicious Mining Activities	High Risk	Addresses used for mining cryptocurrencies with malware or botnets.
89	HIGH	Malware	High Risk	Addresses belonging to malware campaigns.
90	HIGH	Money Laundering	High Risk	Addresses certified belonging to money laundering activities.
91	HIGH	Ransom	Ransom	Addresses that have been identified as being involved in ransomware attacks.
92	HIGH	Honeypot	Scam	Addresses related to fake tokens or ICOs that are designed to scam investors or traders.
93	HIGH	Phishing	Scam	Addresses related to phishing scams.
94	HIGH	Ponzi	Scam	Addresses related to Ponzi schemes.
95	HIGH	Scam	Scam	Addresses that have been identified as being involved in fraudulent activities or scams.
96	HIGH	Spam	Scam	Addresses related to spamming.
97	SERVRE	Child Abuse Material	Child Abuse Material	Addresses related to child abuse.
98	SERVRE	Sanctioned	Sanctioned	Addresses that have been sanctioned by some government in the world (excluding the US).
99	SERVRE	Terrorism	Terrorism	Addresses that have been identified as being involved in financing terrorism.

• When the category is labeled as "Unknown", it indicates that we currently cannot identify which category the address belongs to.

• Child Abuse Material, Sanction and Terrorism come from public data sources such as the US Department of Treasury's Office of Foreign Assets Control (OFAC) and the Department of Justice's Crypto Crime Judgment Documents (US).

• Other categories come from but are not limited to public data sources, third-party cooperation, manual collection by our own team, heuristic algorithms, and machine learning algorithms.