Therefore, regardless of the main competition, we additionally announce a reward of 10 ETH for any of the following tasks (for U15116875009834990076 and U3818586593002277729):
Change the contents of any message;
Change the messages’ order;
Change the sender’s ID in a message;
Delete the message.
In the case of a successful hack, we ask you to send us a report with a detailed attack description.