Financial Service
Advertising
How to collect: Use the query function of blockchain browsers (such as Etherscan, BscScan, PolygonScan) to search for smart contract transaction records related to advertisements. Check the event log of smart contracts to find addresses related to ads. You may also use blockchain analysis tools for in-depth analysis.
Example 1: Use Etherscan and enter the address or keyword of the advertising smart contract in the search bar to retrieve relevant transaction records.
Example 2: Use PolygonScan to find the smart contract address related to the advertisement on the Polygon network and then check the relevant transaction records.
Asset Management
How to collect: Visit the official website of the DeFi platform to learn about the address of smart contracts for asset management. Use a blockchain browser to search for transaction records of relevant contracts to view fund flow.
Example 1: Visit the official website of Compound Finance to find the cToken smart contract address and use Etherscan or BscScan to view the relevant transaction records.
Example 2: Visit the Yearn Finance's official website and look up the Vault smart contract address, and use the blockchain browser to check the transaction history of the Vault.
Auction
How to collect: Visit the official website of the online auction platform to find the address of the auction smart contract or learn about the auction activity by querying the transaction record of the relevant contract in the blockchain browser.
Example 1: Rarible platform
Example 2: Decentraland
CEX (Centralized Exchange)
CEX, a centralized exchange, includes internal collection addresses and user-hosted wallet addresses.
How to collect:
Hot or cold wallet: Some exchanges will publicly disclose proof of funds' accounts, which are often collected from the exchange's internal collection address (hot or cold wallet). These addresses generally require links to the exchange's margin self-certification, such as Binance's margin proof explanation link, as well as more common ones such as Etherscan's label cloud, and information obtained from social media and field media.
Deposit address: After registering on different exchanges, you can view your withdrawal address directly and upload the exchange name as the entity information (please do not upload personal information). The following are the general steps: (L1 is likely to be different; L2 may be the same, but the probability of finding differences in the actual process is higher.)
Register and verify account: First, create an account on a centralized exchange. An email address, password, and identity verification are usually required.
Log in to your account on the exchange.
Access deposit options: The exchange's interface has relevant options such as "Assets," "Wallet," or "Deposit."
Select currency: Select the type of digital currency you want to deposit. For example, if you are going to deposit Bitcoin, choose Bitcoin (BTC).
Obtain deposit address: The exchange will provide you with a specific deposit address. This is usually a long string, and the address format may vary for different currencies.
Make a deposit: Send your digital currency from your personal wallet to this address. When doing this, please check the address carefully, as an incorrect address may result in the loss of funds.
Wait for confirmation: After completing the deposit, you may need to wait for the network to confirm the transaction. The number of confirmations depends on the policies of the blockchain network and exchange used.
Confirm arrival: Check your assets in the exchange account to confirm whether the deposit has been successfully deposited.
Safety precautions: Always ensure that you obtain a deposit address from a reliable source and handle your exchange login information and funds carefully
Charity
How to collect: Visit the official website of the charity organization to learn about the addresses where they accept cryptocurrency donations. Use a blockchain browser to query the transaction records of the relevant addresses to view donation activities.
Example 1: Visit the official website of the B inance Charity Fund, find the address where the charity fund accepts cryptocurrency donations, and use BscScan or Etherscan to view the relevant donation transaction records.
Example 2: Find the official website of UNICEF and locate the address where UNICEF accepts cryptocurrency donations, and then use the blockchain browser to check the relevant donation records.
Derivatives
How to collect: Derivatives trading platforms usually publicly disclose their smart contract addresses so that users can verify the functions and trading rules of the contracts. To find these addresses, you may visit the official website of the derivatives trading platform or check the relevant blockchain browser.
Example 1: Visit the official website of BitMEX to see the smart contract address of its perpetual contract.
Example 2: Use a Chainlink oracle to inquire about the smart contract of that derivative.
Donation
How to collect: Charity organizations usually make the donation addresses publicly available on their official websites in order to accept cryptocurrency donations.
Example 1: Visit BitGive Foundation to see the donation addresses for Bitcoin and other cryptocurrencies it accepts.
Example 2: Follow the charity's social media accounts for the latest information on cryptocurrency donations.
FIAT Currency
How to collect: Businesses that accept fiat currency usually offer cryptocurrency payment options on their official website and disclose corresponding payment addresses. To find these addresses, you can visit the business website's payment page or check its official website.
Example 1: On the official website of Coinbase, select buy cryptocurrency with credit card or bank transfer and check the fiat currency receiving address provided.
Example 2: Visit the official websites of online payment platforms such as PayPal to learn how to trade fiat currencies related to cryptocurrency.
Fund
How to collect: Fund addresses can usually be found on the official website of the fund project or the blockchain browser.
Example 1: Visit Grayscale's official website to see the address of its Bitcoin trust fund.
Example 2: Use the Ethereum blockchain browser and search for the fund contract address of the DeFi project.
Insurance
How to collect: Finding an insurance-related address typically requires visiting the official website of a decentralized insurance project to view information on its smart contract address or insurance product.
Example: Check Nexus Mutual Smart Contract for its smart contract address and insurance product information.
Payment Processor
How to collect: To find addresses related to payment processing, you can check the websites of merchants and service providers related to cryptocurrency payment processing. These websites usually provide information about their addresses and services.
Example 1: Visit BitPay's official website for information about its cryptocurrency payment processing services, including the cryptocurrencies it accepts and the corresponding addresses.
Example 2: Find the Coinbase Commerce's address to obtain information about its payment processing services, including addresses used by merchants.
Payments
How to collect: To find an address related to a payment, you may look at the transaction history of the trading platform and wallet to see addresses and transactions associated with a specific payment.
Example 1: Search for the address of a specific payment transaction in a blockchain browser such as Etherscan to view detailed information about the payment.
Example 2: View PayPal's or other online payment platforms' transaction history to see the addresses and transactions associated with a particular payment.
Stablecoin
How to collect: To find addresses related to stablecoins, you can check the official information of stablecoin projects, markets, and exchanges.
Example 1: Visit the official website of USDC (US Dollar Coin) to learn about the information of USDC contract addresses.
Example 2: Browse DeFi exchanges to see addresses that support stablecoin trading.
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