This is usually the cheapest option, though it can take 1–3 business days.
Many users buy a stablecoin like USDT or USDC and then swap it for the target altcoin. Many smaller coins are only traded against stablecoins instead of directly for USD.
Most exchanges require identity verification through protocols to comply with financial regulations. Sign Up: Register with a secure email and strong password.
Beginner's Guide to Altcoins: Types, Benefits, How They Work