WikiBit Exchange Exit Scam Risk List — No. 17: BigONE — Li Xiaolai and “Old Cat’s” “Living Fossil” of the Crypto World: How Did It Become a “Regulatory Blacklist Regular”?
Introduction: The A and B Sides of a “Living Fossil” in Crypto Over the first 16 editions, we dug into a series of exchanges ranging from HashKey to Hibt. Today, in the 17th edition, we turn to a genuine crypto “old-timer” — BigONE. Its résumé reads like a “living fossil” of the crypto industry: “Founded in 2017,” “the original Yunbi team,” “co-founded by Li Xiaolai and Old Cat (Yu Wenzhuo),” “incubated by INBlockchain (InBlockchain Capital),” “ranked No. 40 globally on CoinMarketCap,” “nine years of operating history,” and “approximately $426 million in Proof of Reserves (PoR).” Sounds like a veteran, legitimate crypto institution, right？ But on the other side of the story — Japans Financial Services Agency (FSA) has repeatedly warned and cracked down on it for “continuing to operate without obtaining a license despite receiving multiple warnings.” On September 2, 2026, the Korea Digital Asset Exchange Alliance (DAXA) found that BigONE was allegedly operating in South Korea without registration and called for a police investigation. CoinPaprika labels it “not MiCA compliant,” with a confidence score of only 5.76%. WikiBit describes it as operating under “loose regulation.” CoinGecko gives it a Trust Score of 5/10, while Trustpilot rates it just 2/5. In July 2025, BigONE suffered a supply-chain
