you know, I always thought about this - if you ever won lotto, didn't register your name, and had a tiny little ticket/scratchie worth a million bucks that anyone could claim...how badly would you be packing yourself trying to convert it over? I'd go into the lotto office with a SWAT team I reckon
Can't you write your name on the back of the ticket instead? I thought they then had to check your id matches that name before you can claim it? (only for major prizes though)