Boolean is rewarding the believers of their project in a unique way. They are giving their long term investors a chance of doubling their stake. This is how they are planning to do so. They are rewarding 20% bonus for hodling 3 months, 50% bonus for hodling 6 months and a full 100% for hodling a year.
You can participate in the program by buying the tokens from their ICO website, This is the link
https://www.boolean.news/buy-booleancoins/
After you have bought the tokens, which is a minimum of 1000 tokens you need to hold that in a non exchange wallet such as generated from myetherwallet or meta mask wallet. An now do nothing just hodl and see your tokens growing. There are other programs active under which you can earn some tokens as well. The first one is Affilate Program and the second one is Bounty Program.
Check out the whitepaper as well and comment and upvote this blog.
Check this article too