Web3 guides: wallets, gas fees and project comparisons
Start with wallets, networks and gas fees, learn how pools differ from tokens, and compare Web3 participation requirements.
GIWA Testnet Guide: Add GIWA Sepolia, Get Test ETH and Try the Playground
GIWA is an OP Stack Ethereum L2 from Upbit's operator Dunamu; mainnet is still in development. Network details, faucets, the Playground and the no-token rule.
Grass Revenue and GRASS Token Value in 2026: What Grass Has Officially Disclosed
Grass reported $17M revenue in H1 2026 and forecasts $65–75M from training data this year. What it says about revenue, structure, staking and the Contents API.
Binance Futures Fees Explained: Maker/Taker Rates, BNB Discount and Funding
Binance futures fees are position value × rate, charged to open and close; regular users pay 0.02% maker, 0.05% taker on USDⓈ-M. Formula, examples, BNB rules.
Is There a Polymarket Airdrop? What Polymarket Says About a POLY Token
Polymarket says it has no token and no announced airdrop, though its CMO has said one is coming. What that means, restricted regions, and fake POLY claims.
Binance USD1 Airdrop, October 2026: Eligibility, Reward Maths and Excluded Regions
Binance's USD1 airdrop runs Oct 2–30, 2026, paying WLFI weekly. Which balances count, the daily lowest snapshot, the 1.2x boost and excluded regions.
CoinAbe: compare the complete USDT purchase-to-wallet cost
A disclosed introduction to our regional USDT tool, with hypothetical arithmetic, reusable CC BY 4.0 withdrawal-fee data and clear limits on estimates.
VIBGG Funding Fee Calculator: Position Size, Holding Days and Historical Scenarios
Use VIBGG to compare perpetual-futures funding amounts by notional, direction and holding days, with current-rate and 30-day-average scenarios and clear calculation limits.
Is There a MetaMask Airdrop? Rewards After Season 1 and the $MASK Question
MetaMask says there are no current plans for a $MASK token, and Rewards Season 1 has ended. What Rewards offers now and how to spot fake airdrops.
What Are Web3 Points? Do Points Turn Into Tokens?
Points are a project's own participation record; whether they convert, and into what, is the project's call. Examples from Grass, MetaMask Rewards and Abstract.
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.