: Sign up on a supported exchange (e.g., Kraken or MEXC) and complete KYC (Know Your Customer) verification.
: Remains the highest liquidity exchange globally, supporting SC through various pairs. However, direct SC/USD pairs may be limited for U.S. users.
: While exchanges like Kraken have unblemished security records, the safest place for your SC is a hardware wallet (e.g., Ledger) or the official Sia wallet .