$668.9M
Coinbase: Cold Wallet
12DezRFkKToAiLTDNru1g7FuvtAWMwCZ7N
->
Unknown wallet
1MDLZVn9QWqVvYZegMSXP18YZHbKCbhUiQ
Funds leaving exchange, possible accumulation or long-term hold. $668.9M BTC moved from Coinbase: Cold Wallet to an unlabeled destination on Bitcoin. Repeated BTC outflows often point to custody migration, whale accumulation, or reduced exchange float. High priority whale flow: useful for immediate risk monitoring.