There is a simple solution to this, though - You could submit one "donor" address giving X bitcoins, and submit X "recipient" addresses each receiving one bitco

There is a simple solution to this, though - You could submit one "donor" address giving X bitcoins, and submit X "recipient" addresses each receiving one bitcoin. Variations abound. As long as the recipient addresses you use are not used in a way that can be statistically linked with each other you're safe. Of course, people might contribute too many recipient addresses trying to get free money, but this can never work - the transaction would be quickly aborted.