South Korea’s largest crypto exchange Upbit announced the addition of the ETHFI/KRW trading pair early on July 24. Within 15 minutes, Ether.fi’s native token ETHFI skyrocketed from $0.52 to $0.60, a 15% spike driven by the typical “Kimchi premium” effect. Upbit acts as a liquidity gateway in the Korean market; a KRW pair directly reduces friction for local retail investors, historically triggering sharp short-term pumps for newly listed tokens.
Arthur Hayes’ On-Chain Moves: Dump Then Buyback
Blockchain analytics platform Lookonchain flagged a suspicious pattern: about one month ago, an address linked to Arthur Hayes sold 2,150,000 ETHFI at an average price of $0.47, cashing out roughly $1.01 million. But just hours before Upbit’s listing announcement, the same address received 132,730 ETHFI from Anchorage Digital at $0.55 per token, totalling about $72,800. This repurchase price is 17% higher than his previous exit price, yet the current market price of $0.60 already gives him a 10% unrealized gain. As an early investor and advisor to Ether.fi, Hayes’ timing strongly suggests he had prior knowledge of the listing.
Scale Down 94%: A Probe, Not a Full Reload
Digging into the numbers: the buyback volume of 132,730 tokens is only 6% of the 2.15 million tokens dumped last month. Rather than a full commitment, this looks like a tentative re-entry to test the waters. History shows Upbit’s listing effect is often a one-day impulse; sustainability depends on follow-through trading volume. The modest size of Hayes’ buyback implies he remains cautious despite the short-term pop.
Editor’s note: As of press time, ETHFI was trading at $0.58, with 24-hour gains narrowing to 12%. Traders should watch for Kimchi premium fade and potential regulatory scrutiny by Korean authorities on newly listed tokens.

