LandSecrets is a blockchain smart contract based predicted mining game. You can buy one or more land(s) combined with future Ethereum height using token, and waits for the miner to dig at this block height. If a your land is mined successfully, you will get the reward tokens in your wallet. LandSecrets is based on Ethereum blockchain. Each land you bought has a secret number and mining height, all of which are recorded in blockchain via smart contract. If a miner, at this height, submits a block whose hash prefix matches your land secret number, then your land is determined mining successfully. LandSecrets built upon smart contract is open and impartial, scam and fraud are impossible. More information, please go to https://landsecrets.io.