Digital assets pass through a specific service, which include both legal and illegal businesses. We aggregate wallet addresses/transactions to detect and analyse the risk of a service before assigning them to specific entities and organisations (e.g., a particular exchange, mixing service, or darknet market, etc.). After attributing the entity, we group them into Entity Categories based on the real-world service to which it belongs.

Please find a description of those entities in the following table:

Entity Type	Entity Subtype	Definition
Coin Mixer	Decentralized	A decentralized mixing technology entity that enables users to use cryptocurrency anonymously; such entities conduct mixing without assuming custody of the coin. Examples: Wasabi Wallet, Whirlpool, and JoinMarket
Coin Mixer	Centralized	For-profit businesses that receive your coin and exchange it for other currencies at a fee.
Darknet	(None)	Addresses of entities discovered on the dark web
Darknet	Child Sexual Abuse Material Vendor	Entities who run websites that contain children's sexual material.
Darknet	Hitman Services	Entities that provide services in which one party pays a third party (commonly referred to as a hitman) to kill a specific person or group of individuals.
Darknet	Stolen Accounts Vendors	Entities that operate websites selling stolen account information.
Darknet	Human Trafficking	Entities that trade people for forced labor, sexual slavery, or commercial sexual exploitation.
Darknet	Compromised Credit Cards	Websites that sell hacked credit cards
Darknet	Narcotics and Controlled Substances Vendor	Websites offering illicit drugs and controlled substances such as marijuana, ecstasy, cocaine, prescription medications, and other restricted substances.
Darknet	Weapons Vendor	Entities that run websites that illegally sell ammunition and illegal weapons.
Darknet	Darknet Vendor Shop	Dark web services allowing users to exchange cryptocurrency for goods or services offered by a single seller.
Darknet	Darknet Marketplace	Websites that allow users to trade cryptocurrency for products or services from numerous vendors on the dark web.
Darknet	Darknet Donation	Entities that have requested donations and are seen on the dark web.
Darknet	Adult Content	Entities which operate websites selling adult videos (pornographic content).
DeFi	Decentralized Exchange - AMM	A decentralized trading protocol that prices assets using a mathematical formula: Assets are valued using a pricing algorithm rather than an order book as expected from a typical exchange. Examples: Uniswap, Sushiswap, and other DEXs that follow AMM
DeFi	Decentralized Exchange - Aggregator	A decentralized exchange gathering trading pairs from several DEXes to offer the best price to users. Such services allow crypto traders to access a variety of trading pools from a single dashboard. Example: 1inch is a DEX aggregator example.
DeFi	Lending/Borrowing	Decentralized platforms in which users can lend/borrow their assets to others in return for interest payments received or paid. Examples: Aave, compound, MakerDao
DeFi	Insurance	Decentralized platforms that protect their customers against e.g. DAO attacks, Parity multi-sig wallet problems, smart contract hacking, and stable coin default. Examples: Nexus Mutual, Opium Insurance
DeFi	Yield Aggregator	A platform that maximizes user revenues by utilizing various DeFi protocols and techniques. Example: Harvest Finance.
DeFi	Bridges	Protocol where users can transfer funds from one blockchain to another. Example: Anyswap
DeFi	Asset Management	Protocol that provides asset management for tokenized assets. Examples: Set protocol and the value Defi.
DeFi	Derivatives	Tokens whose value is derived from the performance of an underlying asset, such as stock. Examples: Augur, synthetix, Uma
Donation	Charity (Political)	Donations are paid to a political trust, organization or to political campaigns.
Donation	Charity (Non-political)	Donations are made to a non-political trust or organization's funding.
Donation	Project Donation	Donations are given in support of a project's funding.
Donation	Tip Jar	Money donated to people on social networking sites.
Exchange	Mandatory KYC and AML	Exchanges that do not allow withdrawals without KYC verification of customers
Exchange	Optional KYC and AML	Exchanges which only need KYC for a portion of their users such as those requiring a daily withdrawal amount over a certain threshold.
Exchange	Inactive	Exchanges that are no longer being used for cryptocurrency trade.
Exchange	Decentralized (DEX)	A cryptocurrency exchange that operates without a centralized authority. Smart contracts are employed to match suppliers and buyers for trading.
Exchange	P2P	A peer-to-peer platform that allows a buyer and seller to trade directly with one another without the use of a third party enabling direct transfers of crypto/fiat between a user's deposit address and their bank account.
Exchange	OTC	An over-the-counter platform that allows the direct trading of cryptocurrencies/FIAT between two counterparties outside of a marketplace network.
Extortion	Sextortion	Addresses controlled by entities who contact victims stating their digital device has been compromised and then threaten the exposure of a victim's compromised information/recording unless a ransom is paid in Cryptocurrency.
Extortion	Blackmail	Cryptocurrency addresses are owned by entities involved in threatening people in return for cryptocurrency, mainly Bitcoin, as a form of extortion.
Gambling	Fiat and Crypto	Gambling companies that accept both regular fiat cash and cryptocurrency.
Gambling	Crypto only	Gambling establishments that accept only cryptocurrency deposits and Cryptocurrency withdrawals.
High Risk Organization	(None)	Entities engaged in criminal/illegal acts that, if linked to, might jeopardize a company's reputation.
High Risk Organization	Terrorist Organization	Terrorist-affiliated organizations that hold or manage cryptocurrency addresses.
High Risk Organization	Criminal Organization	Cryptocurrency addresses that have been designated as belonging to or controlled by criminal organizations.
High Risk Organization	Frozen Assets	Addresses of assets confiscated due to improper use of Crypto tokens or in response to requests from law enforcement authorities and large financial institutions.
High Risk Organization	Ukraine Entities	Entities or Crypto addresses belonging to the Ukraine region.
Law Enforcement	Seized Coins	Coins/tokens representing the proceeds of a computer intrusion or property used in money laundering that have been taken under criminal and civil forfeiture legislation. Law enforcement agencies, such as the FBI, have confiscated cryptocurrency coins/tokens and transferred them from the criminal's wallet to the law enforcement's wallet.
Malware	Ransomware	Crypto-ransomware is a form of malicious software that encrypts data and files on a computer or mobile device to extract cryptocurrencies or money.
Malware	Cryptojacking	Cryptojacking is when thieves utilize an illegal computer, tablet, mobile phone, or connected home device to mine cryptocurrencies.
Mining Pool	Mining Pool	Entities whose primary purpose is to pool hashing power to mine cryptocurrencies.
Sanctions	OFAC	Cryptocurrency addresses listed on the Office of Foreign Asset Controls (OFAC) blacklist.
Sanctions	Entity from Sanctioned Country	A cryptocurrency address belonging to an entity based in a country that has international economic sanctions imposed against them. The sanction is typically a ban on trade, possibly limited to certain sectors such as armaments, or with certain exceptions.
Sanctions	OFAC Cluster	Cryptocurrency addresses, identified through clustering heuristics, as controlled by individuals/entities on the Office of Foreign Asset Controls (OFAC) blacklist.
Scam	Phishing	Cryptocurrency addresses belonging to companies involved in phishing - a form of a social engineering attack frequently used to obtain user data such as login credentials and credit card details.
Scam	Spam	Cryptocurrency addresses used by companies who send unauthorized messages to distribute malware or phishing to steal personal and financial information.
Scam	High Yield Investment Program	Cryptocurrency addresses belonging to entities participating in a fraudulent investment plan that promises very high returns on investment. Examples: Ponzi scams, Bitcoin doubler schemes
Scam	Exit Scam	Cryptocurrency addresses owned by companies participating in a fraudulent operation conducted by cryptocurrency promoters who abscond with investors' cash during or after an initial coin offering (ICO).
Scam	Fake ICO Scam	Cryptocurrency addresses controlled by fraudsters who spend some resource on professional-looking websites and marketing materials, such as a white paper, to gain investors' trust before stealing their money.
Scam	Impersonation Scam	Cryptocurrency addresses used by entities pretending to be someone else, such as a high-profile celebrity, a corporate employee, or a Bitcoin exchange, asking for private information or cryptocurrency payments.
Scam	Fake service	Cryptocurrency addresses owned by entities operating fake services to steal money from their users illegally.
Service		Entities that provide cryptocurrencies-related goods or services but are not exchanges.
Service	Payment Gateway	Services that aid in the acceptance of cryptocurrency payments.
Service	Financial Service	A service managed and control by a central authority involved in the management, handling or provision of financial resources, assets, or, transactions. Examples: Crypto loans, escrow services
Service	Wallet Provider	Services that allow users to store cryptocurrency in wallets
Service	Marketplace	Services that enable users to trade cryptocurrency for products or services from a variety of suppliers
Service	Shop	Users can trade Bitcoin for products or services from a single seller using these services.
Service	Bitcoin Faucet	Services that reward users with cryptocurrency when they accomplish specific activities, like captchas or viewing advertisements.
Service	Custody	Services which are third party providers of storage and security services for cryptocurrencies. These are mainly aimed at institutional investors, such as hedge funds, who hold large amounts of Bitcoin or other cryptocurrencies.
Service	Cryptocurrency ATM	Services which allow users to buy Bitcoins and other cryptocurrency using cash or a debit card
Service	Decentralized Finance (DeFi)	Services that enable users to engage with one another using smart contracts give rise to new financial services.
Smart Contract Platform	ICO	Cryptocurrency addresses controlled by companies that accept cryptocurrency investments as a type of crowdfunding. For example, in an ICO, a certain amount of cryptocurrency is offered to prospective purchasers in the form of "tokens" or "coins" in return for legal cash or other (more established and stable) cryptocurrencies like Bitcoin or Ethereum.
Smart Contract Platform	DAPP	Cryptocurrency addresses decentralized apps that run on a peer-to-peer distributed network rather than on a single computer. Thus, there is no single entity in charge.
Smart Contract Platform	Token	To govern the issue of Bitcoins, cryptocurrency addresses were developed. Cryptocurrencies, also known as crypto tokens or crypto assets, are a form of virtual money based on the blockchain that can signify a purchase or service