WikiBit Exchange Exit Risk Ranking #25: CoinEx — A Bitmain-Linked Tech Veteran. Can It Survive a Sanctions Investigation?
Introduction: A Veteran Exchange with Strong Technical Foundations but Serious Compliance Weaknesses In the first 24 editions, we investigated a wide range of exchanges, from HashKey to Hotcoin. For the 25th edition, we are taking a closer look at an exchange with a striking mismatch between technical capabilities and compliance risks: CoinEx. CoinExs credentials are impressive when it comes to technology: founded in 2017, backed by Bitmain, built by the original ViaBTC mining-pool team, with founder Haipo Yang reportedly writing the entire ViaBTC codebase himself. The exchange claims to serve more than 10 million users across 200+ countries, support more than 1,300 cryptocurrencies, publish monthly Merkle Tree-based Proof of Reserves with reserve ratios consistently above 100%, and fully compensate users after a 2023 hack. Sounds like the profile of a technically solid, user-focused veteran exchange, right? But on the other side of the balance sheet is a major compliance red flag. A major Wall Street Journal investigation in June 2026 reported that TRM Labs had traced more than $3.84 billion in transactions linked to sanctioned Iranian entities processed by CoinEx since 2019. Fund flows between CoinEx and Nobitex, Irans largest cryptocurrency exchange, reportedly reached $27 billion, while some funds were also found to overlap with









