According to @OnchainDataNerd, Amber Group deposited 5,800 ETH (approximately $18.06 million) into Copper about 4 hours before the post, with activity tied to addresses 0x86aD7c74F3E5aF471212AfbE0b49dfbb5983864c and 0x7746d12E797D1E0e9deB74D27C48093458853224 as verified on Arkham Intel. Source: @OnchainDataNerd on X; Arkham Intel. Copper provides institutional custody and the ClearLoop network that enables off-exchange settlement on connected exchanges while assets remain at Copper, meaning the deposited ETH can be allocated for trading or held in custody without additional on-chain transfers. Source: Copper.co company overview; Copper.co ClearLoop documentation.