[Pump.fun has registered subdomains for Base, BSC, Monad, and Ethereum, possibly planning cross-chain expansion] Odaily Planet Daily News: SolanaFloor posted on the X platform stating that Pump.fun has registered subdomains for Base, BSC, Monad, and Ethereum, and has removed the location information 'Solana' from its X profile, possibly indicating plans for cross-chain expansion.