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THE BLOCKVAR JOURNAL

Blockchain basics: wallets, networks and gas fees

Understand wallet addresses, blockchain networks and fees when reading wallet confirmations and transaction records.

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.

How to Set Up a Binance Account: Regions, Verification, Security

Settle regional availability and verification tier before registering. Why funding carries more risk than fees, and four settings to finish on day one.

OKX Account vs Web3 Wallet: What to Settle Before You Start

One app holds two different things: a custodial exchange account, and a self-custodial Web3 wallet whose recovery phrase nobody can restore for you.

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.

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.

What Does DYOR Mean, and How Do Beginners Actually Do It?

What does DYOR mean? A beginner checklist: cross-check official sites, read the docs, verify contracts on Etherscan, and read data on DeFiLlama and Dune.

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 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 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.