Your guide to crypto and Web3
Beginner · Exchange guides · Coin basics · Security
bsvar walks you through signing up, buying and withdrawing on major exchanges, understanding coins and Web3, and avoiding common scams — in clear, practical guides.
An anti-phishing code is a short string you choose that the exchange adds to its genuine emails. This guide covers setup on Binance and OKX from their official help centers, how to check an email, and which scams the code can't stop.
Read more →OKX sub-accounts can't withdraw directly. Check whether the coins sit in an exchange sub-account or in OKX Wallet, move them to the main account, then withdraw from there.
How one seed phrase can control several account addresses, what the private key and address each do, and what to check when a restored wallet doesn't show the address you expected.
Blockchain is a way to maintain a shared record; cryptocurrency is a digital asset a network may use. See how Bitcoin, Ethereum and permissioned ledgers fit together.
A bridge moves value between chains that cannot talk to each other. Why bridges get exploited, and why an exchange is usually the safer route.
A depeg is a stablecoin trading away from its reference value. Brief deviations are noise; the real risk is panic-selling into thin liquidity.
A hardware wallet keeps your keys offline. When you actually need one, how to choose safely, and the mistakes that still lose funds.