How to Purchase sUSD (Optimism) (SUSD) Using Across Protocol (ACX) in China

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