BitMEX co-founder Arthur Hayes is reportedly involved in an over-the-counter (OTC) sale of ETHFI tokens, according to monitoring by Arkham. On September 19, between 20:14 and 20:16 UTC+8, Hayes transferred 136,600 ETHFI to Galaxy Digital, receiving 221,000 USDC in return. Additionally, he moved 1.08 million ETHFI, valued at approximately $1.67 million, to a suspected Flowdesk address.