Instead of purchasing from third parties, you can accumulate millions of coins through in-game activities:

: Engaging in coin buying can result in temporary or permanent account bans. EA uses automated systems to flag suspicious transfer market activity, such as items sold at extreme ends of their price ranges.

Purchasing Madden Ultimate Team (MUT) coins from third-party sellers is a high-risk activity that violates Electronic Arts (EA) Terms of Service. While third-party marketplaces often advertise "safe" or "legit" transfers, EA strictly prohibits coin buying to maintain a level playing field and a stable game economy. Risks of Buying MUT Coins