Lottery-Smart_contract is a smart contract which allows random players to participate in lottery draw by sending eth (minimum 1 eth) to the contract. Contract enables only if there are minimum 3 players . Only owner can run this contract to pick a random winner and when random player selected total eth in the contract will be transfered to his/her address. After completion of transferring funds to winner the contract gets reset (number of players enrolled will become zero) . Used keccak256 Algorithm to generate random value.