An address is a 20-byte identifier that can hold a balance and, when it carries code, execute it. Gas on Arc is paid in USDC, so the balance shown for an address is denominated in dollars rather than in a volatile asset.
This is a proxy, and its implementation is not verified
The EIP-1967 slot resolves to 0x9c13fd836d750af292b12d83f7c3fffc04b24a9f, but no source has been published for it. A proxy’s own ABI is almost always empty — the functions live in the implementation, and verifying that address is what lights this tab up.