How to Purchase Cardano (ADA) Using sUSD (Optimism) (SUSD) in China

To buy Cardano using sUSD (Optimism), first, find a cryptocurrency exchange that supports the ADA/SUSD trading pair. Create an account, complete the KYC process to verify your identity, and deposit your SUSD into your exchange wallet. Locate the ADA/SUSD pair on the trading platform and place an order to exchange your sUSD (Optimism) for Cardano. If the ADA/SUSD pair is unavailable, you can first exchange sUSD (Optimism) for a stablecoin like Tether (USDT) or a fiat currency such as CNY, then trade that for Cardano. Be mindful of potential exchange fees, which vary by platform and can impact the overall cost of your transaction.