There's a theory that this has to do with some code that you cracked, some piece of cryptology that is meaningless with you alive but invaluable with you dead.
Ūađ er kenning um ađ ūetta tengist einhverjum kķđa sem ūú leystir, einhverri dulkķđun sem er tilgangslaus ef ūú ert á lífi - en ķmetanleg ef ūú ert dauđur.