OKX 欧易 Up to 20% off trading fees with our code ·

Wallet tutorials are everywhere.
The ones that actually help you
are rare.

Notes on wallet backups, withdrawals, permissions and transaction receipts. Each article distinguishes official mechanisms, public page screenshots and hypothetical examples so you can check the tools and networks you actually use.

Start with note 01 How we work
Code benefits depend on the current OKX campaign · Full disclosure
7 notes · in reading order

From understanding wallet keys
to checking each on-chain action.

Start with the question you need to answer: keys and permissions, transfers, swaps or bridges. Instructions cite official documentation; public screenshots name their source and capture month, and examples are not presented as test results.

01foundations · must-read

Self-Custody Wallets: Keys, Backup and First Receipt

Learn how keys, recovery phrases, addresses and signatures differ, then check backups, receiving networks and permissions.

Read the note→
00the fiat on-ramp

OKX Account and Web3 Wallet: Setup and Handover

Distinguish exchange custody from wallet keys, check eligibility and security settings, and verify the first withdrawal.

Read the note→
06first move

Withdraw to Your Wallet: Network and Address Checks

Verify the network, full address, token version, memo, minimum and receipt when withdrawing from an exchange to your own wallet.

Read the note→
02choosing

MetaMask vs OKX Wallet vs Phantom

Compare network support, signing and recovery in MetaMask, OKX Wallet and Phantom using current official documentation.

Read the note→
03operation

On-Chain Swaps: Approval, Quotes and Receipts

Check approvals, Permit requests, quotes, minimum output and transaction receipts before making an on-chain swap.

Read the note→
04defense

Wallet Phishing: Seven Patterns and Permission Checks

Recognize approval traps, Permit requests, address poisoning and fake support. Hypothetical prompts explain what to inspect.

Read the note→
05advanced

Cross-Chain Bridges: Routes, Assets and Settlement

Compare five bridge entry points and check asset versions, network fees and settlement status without fixed speed or refund promises.

Read the note→
Reading routes · inspect the actual request

Know which fields to check.

Start with the problem you are handling. Fees, settlement times and asset support come from the current official interface and actual receipts.

Before and after an operation
SigningCheck chain, spender, allowance and expirypermissions
WithdrawalCompare the full address, asset version, memo and minimumtransfer
BridgingCheck source receipts and destination settlement separatelybridge
BackupPreserve working access during the official recovery checkkeys
Conflict of interest

This site runs on OKX referral revenue. We don't hide that.

If you sign up to OKX using our published referral code and trade, OKX shares a portion of platform fees with us. It doesn't add anything to your costs and it doesn't change your trading conditions. This referral cut is the only reason these notes exist and stay updated.

What we don't take

  • No sponsored posts, no paid reviews, no "brand collab" content
  • No private project pitches — including OKX. Our OKX coverage is independently written; OKX doesn't see drafts.
  • No courses, no signal groups, no Discord
  • No holdings in any token we recommend positively

Full disclosure → /en/disclaimer

Risk · please read
Crypto is high risk. Prices swing hard, things can go to zero, on-chain operations are irreversible — gas you've spent doesn't come back, a bad approval can drain a wallet, lose your seed and the money is gone. Perpetuals and leveraged products can wipe out 100% of your principal. Nothing here is financial / legal / tax advice. If you're new, start with money you can afford to lose. Choose an affordable test amount that meets the current minimum and fee requirements.

OKX referral codes · two separate codes

ExchangeOK18866Click to copy
Web3 Wallet166888Click to copy

Type the matching code manually at sign-up: the first one for the exchange account, the second one inside the OKX Web3 Wallet. This site contains OKX referral links. We may earn a commission if you sign up and trade using our links or codes. Discount eligibility and rates depend on the current OKX offer.