Arkham Intelligence has identified a 'hardcore bear whale' address, 0x5d2, which has profited $12.5 million from shorting Bitcoin over the past two months. The address initiated its short positions in late October, investing $63.6 million in cryptocurrency. In addition to the profits from shorting, the whale accrued $9.6 million in funding fees and currently holds $3.5 million in BTCB. On-chain data indicates a consistent bearish trading pattern from this address.