A prominent Bitcoin whale has opened a significant short position on Zcash (ZEC), according to on-chain analyst Aunt Ai. The whale, known as a "BTC OG insider," is holding a 3x leveraged short of 2,028 ZEC, valued at approximately $1.33 million. Additionally, the whale has set limit sell orders for $1.22 million worth of ZEC, targeting a price range between $653.58 and $661.40.