HAPPY BLOCKCHAIN is an evaluation ecosystem where every participant, regardless of information provided or evaluated is rewarded by their contributions, earning precious tokens as revenue, which can be exchanged to fiat currencies.HAPPY BLOCKCHAIN adopts multiple tokens, HAPPY TOKEN and HAPPY CENT, and HAPPY STATUS. HAPPY CENT is distributed to participants as rewards and incentives, or HAPPY TOKEN is converted to HAPPY CENT, and used as one of the payment methods at a marketplace on HAPPY BLOCKCHAIN. Therefore, the more participants contribute or purchase on marketplace, the higher the demands for HAPPY TOKEN.HAPPY STATUS is a set of the indexes to evaluate contributions and reputation of participants and classify them quantitatively. this model incentivizes participants to acquire more HAPPY CENT.