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Cameron and Tyler Winklevoss moved about $60 million in Bitcoin and $7 million in Ethereum from custody wallets to Gemini, putting exchange-side flows from the Gemini co-founders back under market attention.

Arkham identified the activity as a custody-to-hot-wallet pattern that has previously appeared before selling activity. The transfer does not by itself confirm an open-market sale, because exchange deposits can also support custody movement, internal rebalancing, liquidity preparation or later execution.