Web3 questions: wallets, airdrops and approvals · Page 2
Find practical answers about Web3 wallets, transaction fees, airdrop eligibility and token approvals, with common mistakes and checks.
What Is a Residential IP, and Why Do Node Projects Want It?
What is a residential IP? Residential, datacenter and mobile compared, how DePIN projects detect IP type via ASN data, and why proxies get banned.
Binance Fees Explained: How They Work and How Beginners Can Pay Less
How do Binance fees work, and how can you lower them? Maker vs taker, BNB deduction, funding and withdrawal fees, plus stackable ways to cut trading costs.
OKX Fees Explained: How Trading Costs Work and How to Lower Them
How do OKX fees work, and how can you pay less? Maker vs taker rates, funding and withdrawal fees, plus practical ways beginners can cut trading costs.
What Is a Stablecoin? USDT vs USDC for Beginners
What is a stablecoin, and how do USDT and USDC differ? A beginner's guide to fiat-backed coins, issuer disclosures, multi-chain transfers, and depeg risk.
What Is an RPC Endpoint, and How Do You Switch It in Your Wallet?
What is an RPC endpoint? Why outages make balances vanish and transactions hang, how to switch RPCs in MetaMask, and the risks of malicious endpoints.
How Do You Withdraw Assets from a Layer 2 to Mainnet or an Exchange?
How to withdraw from a Layer 2 like Arbitrum or Base to mainnet or an exchange: the 7-day challenge period, fast bridges, and wrong-network risks.
What Is Slippage, and How Should You Set Slippage Tolerance?
What is slippage in a DEX swap? Learn why AMM prices move as you trade, how to set slippage tolerance, sandwich attack risks, and honeypot red flags.
Why Can’t I See My Tokens in a Wallet or DApp?
Wallet shows a balance but the DApp does not? Common causes are the wrong network, unimported tokens, pending transactions, or a different address.
What Is a Transaction Hash, and How Do You Check It?
A transaction hash (TxHash) is the unique ID of an on-chain transaction. Learn how to look one up on Etherscan and read pending, success, and failed statuses.
Private Key vs Seed Phrase vs Wallet Address: Beginner Guide
A wallet address is public, a private key controls one address, a seed phrase restores a whole set. The differences, and how to back each one up.
What Is a Web3 Wallet, and How Is It Different from an Exchange Account?
What is a Web3 wallet? Learn how wallets, addresses, private keys, and recovery phrases work, and how self-custody differs from a crypto exchange account.
What Are Gas Fees in Web3, and Why Can Failed Transactions Still Cost Money?
What are gas fees in Web3? Learn why blockchain transactions cost money, why failed transactions can still use gas, and how beginners can reduce mistakes.