The white paper of the project should be spelled out what will happen to the tokens that have not been bought on the ICO. Many omit this point, but in fact it is very important. If a part of not sold tokens departs to the developers, they can be strongly influenced by the course "manipulating" not only the news background, but also financially. It's not bad if the tokens go to the bounty pool (airdrop) or freeze. But the best option is when tokens are burned. In this case, under the creation of an artificial deficit and the influence of this news, as a rule, the coin rate grows, thereby increasing our reward