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Coins
Profiles of coins, stablecoins, tokens and NFTs — how they work and where the risks are.
Network coin
Ethereum (ETH) — the smart-contract network
Bitcoin (BTC) — the first cryptocurrency
USDC (Circle) — a dollar stablecoin
USDT (Tether) — a dollar-pegged stablecoin
Ethereum (ETH) — the smart-contract network
Not just a coin but a “big shared computer” for smart contracts: how Ethereum works and what ETH and gas are.
Network coin
Bitcoin (BTC) — the first cryptocurrency
The first cryptocurrency and “digital gold”: how the Bitcoin network works, where its coins come from, and why keeping them safe is on you alone.
Stablecoins
USDC (Circle) — a dollar stablecoin
The second-largest dollar stablecoin, known for transparency: what backs USDC, who issues it, and why even it once lost the dollar.
Stablecoins
USDT (Tether) — a dollar-pegged stablecoin
The most widespread “dollar in your phone”: what backs USDT, how its reserves are checked, and why “stable” doesn't mean “risk-free”.