A memo or tag is typically a numeric string which is used to accurately identify the recipient of a transaction on a centralized exchange. This detail is required for crypto which uses Destination Tag technology, such as Ripple (XRP), Stellar (XLM), Cosmos (ATOM) etc. When you deposit crypto to your OKX portfolio, you must enter the designated memo or tag, in addition to the deposit address.

On-chain deposit logic: Our platform is a centralized exchange, so when you deposit funds to your account address, they will only be credited once it meets the required aggregation conditions. If the amount is too small, the funds cannot be aggregated because the address balance may not be sufficient to cover the miner fees for an on-chain transfer. System management: The minimum deposit amount helps the platform manage asset flows better and prevents system strain caused by small deposits.

Correspondence from a Central or Local Government Authority, Department or Agency such as pension, unemployment benefits, tax documents and housing benefits. National ID card/Residence permit/Driver license. Document should include the customer's full name, photograph & address. Note: The POA must be your residential address. Your full name on the POA must match your legal name.

Unlike a centralized exchange (CEX), a DEX doesn't store users' funds or personal data on a centralized server, but instead performs on-chain activities including asset custody, orders matching, and clearing thoroughly through underlying smart contracts. Compared to CEXs, DEXs are featured with: Ease of use. No email registration or identity verification is required. Users only need to connect to a wallet to access a DEX. Complete control over assets.

Each blockchain functions as a decentralized system, meaning there's no central support team responsible for individual user requests.How does OKX work with different blockchain networks? We connect to multiple blockchain networks — including Ethereum, Bitcoin, and others — to support deposits, withdrawals, and on-chain transactions.

To avoid any potential loss, we strongly recommend depositing your assets as soon as possible to a centralized exchange that supports OKT Chain.How do I make a withdrawal?Where can I withdraw my assets? If you currently hold assets on OKT Chain, please visit here and follow the on-screen instructions to withdraw your funds.How do I withdraw my assets? Note: this tool is only supported on desktop browsers. You’ll need to install the OKX browser extension wallet before proceeding.

Given how crypto assets have no central issuing authority, they're vulnerable to hacking and theft. It's recommended that users take all necessary precautions, including using these security features and ensuring that their devices are free from malware and viruses. Manage Devices and Authorizations Regularly review your device login activity under Security Settings > Linked Devices.

SPID operates as a centralized identity solution. Users register and verify their identity once with an authorized identity provider. Once verified, they can use their SPID credentials to log in across multiple platforms—no need to create or manage separate accounts. SPID offers three levels of security (Level 1 to Level 3), allowing service providers to choose the appropriate verification strength based on the sensitivity of the service.Why is OKX introducing SPID integration?

This only works with centralized exchanges, where you have to go through identity verification to open an account. Once the attacker learns who you are, they can target you with phishing, extortion, and other crypto scams. In other words, the dust attack itself is not an attack. It's more like setting the stage for an attack — the first step in setting up a greater crypto scam.How do scammers know my wallet address? Most blockchain transaction data is publicly available.

Investment Account Statement Issued within the last 3 months Retirement Account Statement Issued within the last 3 months Brokerage Statement Issued within the last 3 months Bank Statement Shows investment income (past 3 months) Tax Document Shows investments (past 12 months) Others Issued within the last 3 months with funds confirmation Exchange wallet Exchange Statement Issued within the last 3 months and showing name/wallet address Sale Receipt/Confirmation Shows recent crypto asset sales from centralized