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Browse all of bsvar's crypto & Web3 content — beginner guides, exchange tutorials, coin basics and security — filter by category.

Web3 & DeFi· Jun 30, 2026 ·8 min

What a crypto airdrop is, the common types, how to take part, and how to avoid airdrop scams.

Security· Jun 30, 2026 ·8 min

Cold vs hot wallet explained: online vs offline, security vs convenience, and how to choose.

Guides· Jun 30, 2026 ·8 min

What OKX futures are, leverage and liquidation, and why beginners should not trade them.

Web3 & DeFi· Jun 30, 2026 ·7 min

What gas fees are, why Ethereum gas spikes, and how to save on gas.

Coin Basics· Jun 30, 2026 ·7 min

What the Bitcoin halving is, the ~4-year mechanism, and its effect on supply and price.

Security· Jun 30, 2026 ·8 min

Four checks to spot fake exchange sites and apps: domain, download source, cross-check, and high-return bait.