What would you like to explore?
Find project participation steps, token addresses, and guides to wallets, trading fees and airdrops.
Search results · 44
Do Galxe Quest Rewards Cost Money? Claim Fees, Gas and GG Explained
According to Galxe, only quests with a claim fee can award GG. Learn the difference between the platform claim fee and network gas, which networks are supported, how Galxe+ and levels reduce fees, and what to weigh before paying.
Why estimated and final gas fees can differ
Distinguish an estimate, a fee cap, and actual usage when reading wallet prompts and transaction receipts.
Gas Too Expensive? Five Things That Actually Work (and Three That Don't)
How do you cut gas costs? Five methods that work — Layer 2, off-peak timing, batching, correct gas settings, fewer transactions — plus three that don't.
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.
What Is a Sybil Address? How Airdrops Filter Them Out
Being flagged as a Sybil means a project decided many addresses belong to one person. How detection works, per the Arbitrum Foundation's published methodology.
Wallet Hacked? What to Do First, Step by Step
After a wallet hack, find the cause first: a leaked seed phrase means a new wallet; abused approvals mean revoking. The steps, per MetaMask and Revoke.cash.
USDT on TRC20 or ERC20? Networks, Fees and Checks Before You Send
TRC20 and ERC20 are USDT on TRON and Ethereum. Addresses, fees and checks differ. Based on Tether, TRON and Ethereum docs: how to choose and what to check.
How to Earn Abstract XP: Weekly Updates, Badges and the XP Multiplier
According to Abstract's Portal docs, XP comes from using apps listed on the Discover page, streaming and building apps. It updates weekly and cannot be transferred. Learn how badges are earned, where the multiplier comes from and what can cost you XP.
How to Claim Grass Stage 2 Rewards: USDC Steps, Deadline and Phishing Checks
Grass pays Stage 2 rewards entirely in USDC. Claims opened on July 22, 2026 and close on January 22, 2027. Check eligibility, how points convert, and how to claim only through the official dashboard.
Exchange Fees, Withdrawals and Transfers
Trading fees, withdrawal fees and on-chain gas are three separate charges, and most people notice only one. How each is structured, and when fees decide.
Networks, Addresses and Transaction Fees
A network provides the execution environment, an address identifies the account, and gas pays for the work. Get that right and most wallet confusion resolves.
How to compare Web3 projects by purpose
Compare Web3 projects by purpose, costs, permissions and exit rules. Learn how networks, swap protocols and wallets differ, with a practical Base example.
Your Node Points Went to Zero. Now What?
Node farming points went to zero? The four outcomes — stopped, diluted, delayed, abandoned — plus a cleanup checklist for extensions and approvals.
Small Amounts: Should You Keep Them on an Exchange or in a Wallet?
Exchange or self-custody wallet for small amounts? Compare the real risks for trading, holding, on-chain use and payments — and why fees decide it.
Withdrawing From an Exchange to Your Own Wallet: Full Walkthrough
How do you withdraw from an exchange to your own wallet? Wallet setup, address and network selection, test transfers, fees, and six common mistakes.
USDT Transfer Still Hasn't Arrived? Troubleshoot in This Order
USDT transfer not arriving? Check transaction status, network mismatch, token display, crediting and risk review in order — and when to open a ticket.
Sent Crypto on the Wrong Network? What You Can Still Do
Sent crypto on the wrong network? Four outcomes based on address compatibility and ownership, the recovery steps for each, and the scams that follow.
What Is Vana? Personal Servers and Portable AI Memory
What is Vana? Personal Servers, MCP-based data permissions, portable AI memory, the 1M connected users milestone, VANA utility and the privacy risks.
How to Spot Fake Airdrop Claim Sites Before You Connect
How to spot fake airdrop claim sites: the no-token rule, domain checks, urgency traps and payment demands, plus a Revoke.cash approval audit.
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 Testnet, and How Do You Get Test Tokens from a Faucet?
What is a testnet? Learn how it differs from mainnet, how to claim free Sepolia test tokens from a faucet, and how to spot fake-faucet scams.
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 a Crypto Airdrop, and How Do You Claim One Safely?
What is a crypto airdrop, and why are many claim pages scams? How real airdrops work, common fake-claim tricks, and a checklist before you connect a wallet.
What Is an ENS Name, and How Do .eth Addresses Work?
What is an ENS name? How .eth names map to addresses, forward and reverse resolution, what to check before sending, renewal rules, and lookalike risks.
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.
What Is a Honeypot Token, and How Do You Spot One Before Buying?
What is a honeypot token? Learn why some tokens can be bought but never sold, the warning signs to check before buying, and what to do if you are stuck.
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 Does Minting an NFT Mean? A Pre-Mint Checklist
What does minting an NFT mean? How it differs from buying, what the wallet popup confirms, how fake mint pages work, plus a pre-mint checklist.
What Is a Cross-Chain Bridge? A First-Timer's Checklist
What is a cross-chain bridge? Canonical vs third-party bridges, wrapped assets, fake bridge sites, and a safety checklist for your first transfer.
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.
What Is a Token Approval, and How Do You Check and Revoke It?
What is a token approval? How approvals differ from transfers, why unlimited allowances are risky, and how to check and revoke them with Revoke.cash.
What Is Base Network, and How Do You Start Safely?
Base is an Ethereum Layer 2 incubated by Coinbase. What it does, how to add Base to your wallet, how bridging works, and the safety checks to run first.
Does Disconnecting a Wallet Remove Token Approvals?
Disconnecting a wallet only ends the site session — on-chain approvals stay active. The difference, and when to revoke with Etherscan or Revoke.cash.
What Does “Sign Message” Mean in a Crypto Wallet?
Wallet signatures prove ownership and usually do not move funds, but malicious ones still cost you. The risk types, and what to check before signing.
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.
How to Check a Web3 Project Before Connecting Your Wallet
Before connecting your wallet to a Web3 project, run this checklist: official links, wallet popups, networks, approvals and transaction risks.
Ethereum.org
What is Ethereum.org and where should you start? Which sections to read first, and how the official docs differ from third-party tutorials.
Uniswap
What is Uniswap and how do you swap safely? How an AMM prices a trade, what liquidity pools do, and which lines of the approval prompt matter.
Aave
What is Aave and can you get liquidated? How supplying earns yield, why borrowing needs over-collateralisation, and what triggers a liquidation.
Base
What is Base and how do you use it? How Coinbase’s Layer 2 differs from mainnet, how to add it in a wallet, and what to check before bridging.
Etherscan
What is Etherscan and how do you read it? Checking a transaction by hash, reading an address page, and reviewing your live token approvals.
Revoke.cash
What is Revoke.cash and when do you need it? Why approvals stay live after you leave a site, what unlimited allowances risk, and what revoking costs.
About BlockVar: Web3 participation, token listings and wallet guides
Learn about BlockVar guides to testnets and points, Binance and OKX listings, wallets, gas and onchain safety.
RWW · Solana
FpfSYXi8XEJitRejxcfA9KLqMFzazbA3CP2GEFcNpump