translate English to German: You might be better off with traveller cheques, dollars and Thai baht which are all readily accepted. Most foreigners living in Vientiane withdraw Thai baht from ATMs in Thailand and then exchange baht for kip as needed.
Nahezu alle in Vientiane ansässigen Banken und auch einige in Luang Prabang bieten irgendeine Form der Blitzüberweisung an (zusätzliche Informationen unter www.westernunion.com und www.moneygram.com).