Also on tax returns or social security statements. • https://www.oecd.org/content/dam/oecd/en/topics/policy-issue-focus/aeoi/poland-tin.pdf • www.gov.pl/finanse Portugal For tax purposes: Número de Identificação Fiscal (NIF) (also referred to as “Número de Contribuinte”) Digits: The NIF is composed of nine sequential digits Format: 123456789 You can find your Número de Identificação Fiscal (NIF) on your Portuguese Citizen Card, on your NIF registration document, or by logging into the Portal das

If you activate a new voucher, your currently activated voucher will be de-activated. De-activated vouchers can no longer be used. Select the Activate button to activate your voucherHow do I check which trades are eligible? In each tradeback voucher, click on the Information icon (i) to check the voucher details. In the Voucher details section, we display the eligible trading products and base currencies.

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.

The Security Vault is a newly established centralized reserve within the Security Fund. Previously, the Security Fund maintained separate pools for each product and each index. OKX has now centralized a portion of these funds under unified management.

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.

Is the use of a keyless wallet considered centralized behavior? OKX keyless wallet is a fully decentralized, non-custodial multi-chain wallet. OKX exists as a service provider and has no access to user assets. Moreover, platforms that are centralized can be easily replaced. If the platform is compromised or is malicious, the assets can still be withdrawn using the other two private key shares, ensuring that there is no threat to your assets. Keyless wallets enhance security.

You can transfer your crypto via Ethereum, Polygon, BNB Chain, SUI, Aptos, TON, and EVM networks to private key wallets, seed phrase wallets, and centralized exchange accounts.How do I create multiple accounts at one time?

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.

This innovation merges the security of true self-custody with powerful, automated trading features once exclusive to centralized platforms, all within your OKX Wallet. The Best of Both Worlds: Uncompromised Control & Unmatched Sophistication Powered by cutting-edge Trusted Execution Environment (TEE) technology, Trader Mode acts as a secure, vault-like enclave within your wallet.

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 deposit address? Most blockchain transaction data is publicly available.

Smooth and seamless: enjoy a Web3 trading experience as smooth as payments on a centralized exchange, without repeated verification interrupting your decision-making. Security protection: security measures such as safe active periods and daily limits help protect transactions. OKX does not custody users’ funds or private keys. Auto-Confirm only simplifies the transaction process, and your assets remain secure.How do I enable or disable Auto-Confirm?

Monitor Screenshots Must be from recognized platforms (For example: 2Miners, Nanopool) Equipment Purchase Receipt Shows ownership of mining hardware Tax Document Shows mining income claims Others Proves mining operation Crypto staking, rewards & incentives Transaction details from Blockchain Explorer (may include airdrops) Shows sender and receiver addresses, transaction hash or ID, amount, and date of transaction Exchange statement Shows your full name, amount, date of transaction, and name of the centralized