Set a clear criteria for the bet
i.e. Bitcoin price will be above $10000 on 11 August 2019 - 12:00pm CT
Share bet link with those that want to join
Remember bet outcome is decided by those that join.
Everyone gets an email after bet deadline has passed and needs to "honestly" respond within 24 hours.
Whatever majority voted for is accepted as truth and bet total will be split between winners.