diff --git a/contracts/CCTF_2022.sol b/contracts/CCTF_2022.sol
deleted file mode 100644
index 018dca2..0000000
--- a/contracts/CCTF_2022.sol
+++ /dev/null
@@ -1,138 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-// Authors: six and Silur
-pragma solidity ^0.8.16;
-
-contract CCTF9 {
-  address public admin;
-  uint256 public volStart;
-  uint256 public volMaxPoints;
-  uint256 public powDiff;
-  bool public started;
-
-  enum PlayerStatus {
-    Unverified,
-    Verified,
-    Banned
-  }
-
-  struct Player {
-    PlayerStatus status;
-    uint256 points;
-  }
-
-  modifier onlyAdmin {
-    require(msg.sender == admin, "Not admin");
-    _;
-  }
-
-  modifier onlyActive {
-    require(started == true, "CCTF not started.");
-    _;
-  }
-
-  struct Flag {
-    address signer;
-    bool onlyFirstSolver;
-    uint256 points;
-    string skill_name;
-  }
-
-  mapping (address => Player) public players;
-  mapping (uint256 => Flag) public flags;
-
-  event CCTFStarted(uint256 timestamp);
-  event FlagAdded(uint256 indexed flagId, address flagSigner);
-  event FlagRemoved(uint256 indexed flagId);
-  event FlagSolved(uint256 indexed flagId, address indexed solver);
-
-  constructor(uint256 _volMaxPoints, uint256 _powDiff) {
-    admin = msg.sender;
-    volMaxPoints = _volMaxPoints;
-    powDiff = _powDiff;
-    started = false;
-  }
-  
-  function setAdmin(address _admin) external onlyAdmin {
-    require(_admin != address(0));
-    admin = _admin;
-  }
-
-  function setCCTFStatus(bool _started) external onlyAdmin {
-    started = _started;
-  }
-
-  function setFlag(uint256 _flagId, address _flagSigner, bool _onlyFirstSolver, uint256 _points, string memory _skill) external onlyAdmin{
-    flags[_flagId] = Flag(_flagSigner, _onlyFirstSolver, _points, _skill);
-    emit FlagAdded(_flagId, _flagSigner);
-  }
-
-  function setPowDiff(uint256 _powDiff) external onlyAdmin {
-    powDiff = _powDiff;
-  }
-
-
-  function register(string memory _RTFM) external {
-    require(players[msg.sender].status == PlayerStatus.Unverified, 'Already registered or banned');
-    //uint256 pow = uint256(keccak256(abi.encodePacked("CCTF", msg.sender,"registration", nonce)));
-    //require(pow < powDiff, "invalid pow");
-    require(keccak256(abi.encodePacked('I_read_it')) == keccak256(abi.encodePacked(_RTFM)));  // PoW can be used for harder challenges, this is Entry!
-    players[msg.sender].status = PlayerStatus.Verified;
-  }
-
-  function setPlayerStatus(address player, PlayerStatus status) external onlyAdmin {
-    players[player].status = status;
-  }
-  
-  
-////////// Submit flags
-    mapping(bytes32 => bool) usedNs;                       // Against replay attack (we only check message signer)
-    mapping (address => mapping (uint256 => bool)) Solves;     // address -> challenge ID -> solved/not
-    uint256 public submission_success_count = 0;               // For statistics
-
-    function SubmitFlag(bytes32 _message, bytes memory signature, uint256 _submitFor) external onlyActive {
-        require(players[msg.sender].status == PlayerStatus.Verified, "You are not even playing");
-        require(bytes32(_message).length <= 256, "Too long message.");
-        require(!usedNs[_message]);
-        usedNs[_message] = true;
-        require(recoverSigner(_message, signature) == flags[_submitFor].signer, "Not signed with the correct key.");
-        require(Solves[msg.sender][_submitFor] == false);
-        
-        Solves[msg.sender][_submitFor] = true;
-        players[msg.sender].points += flags[_submitFor].points;
-        players[msg.sender].points = players[msg.sender].points < volMaxPoints ? players[msg.sender].points : volMaxPoints;
-        
-        if (flags[_submitFor].onlyFirstSolver) {
-            flags[_submitFor].points = 0;
-        }
-        
-        submission_success_count = submission_success_count + 1;
-        emit FlagSolved(_submitFor, msg.sender);
-    }
-
-    function recoverSigner(bytes32 _ethSignedMessageHash, bytes memory _signature) public pure returns (address) {
-        (bytes32 r, bytes32 s, uint8 v) = splitSignature(_signature);
-        return ecrecover(_ethSignedMessageHash, v, r, s);
-    }
-
-    function splitSignature(bytes memory sig) public pure returns (bytes32 r, bytes32 s, uint8 v){
-        require(sig.length == 65, "Invalid signature length");
-        assembly {
-            r := mload(add(sig, 32))
-            s := mload(add(sig, 64))
-            v := byte(0, mload(add(sig, 96)))
-        }
-    }
-
-////////// Check status, scores, etc
-  function getPlayerStatus(address _player) external view returns (PlayerStatus) {
-    return players[_player].status;
-  }
-
-  function getPlayerPoints(address _player) external view returns (uint256) {
-    return players[_player].points < volMaxPoints ? players[_player].points : volMaxPoints;
-  } 
-
-  function getSuccessfulSubmissionCount() external view returns (uint256){
-      return submission_success_count;
-  }
-}
diff --git a/contracts/CCTF_by_Anonz.sol b/contracts/CCTF_by_Anonz.sol
deleted file mode 100644
index 58d93df..0000000
--- a/contracts/CCTF_by_Anonz.sol
+++ /dev/null
@@ -1,130 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-// Authors: Anonz team, developed at Polkadot Metaverse Championship, as part of their CCTF track solution.
-// Based on Six's and Silur's CCTF 2022 code.
-pragma solidity ^0.8.16;
-
-contract CryptoCTFX {
-  enum PlayerStatus {
-    Unverified,
-    Verified,
-    Banned
-  }
-
-  struct Player {
-    PlayerStatus status;
-    uint score;
-  }
-
-  modifier onlyExistingContest(uint contestID) {
-    require(contests[contestID].admin != address(0), "Unknown contest ID");
-    _;
-  }
-
-  modifier onlyAdmin(uint contestID) {
-    require(msg.sender == contests[contestID].admin, "You are not the admin of this contest");
-    _;
-  }
-
-  modifier onlyOpen(uint contestID) {
-    require(contests[contestID].submissionsOpen, "Submissions are not open for this contest at this time");
-    _;
-  }
-
-  modifier onlyExistingChallenge(uint contestID, uint challengeID) {
-    require(contests[contestID].challenges[challengeID].obscuredFlag != address(0), "Unknown challenge ID");
-    _;
-  }
-
-  struct Challenge {
-    address obscuredFlag; // public key of the flag
-    uint worth;
-    uint256 descriptionFingerprint;
-    bool onlyFirstSolver;
-    string skill;
-  }
-
-  struct Contest {
-    address admin;
-    mapping (uint => Challenge) challenges;
-    mapping (address => Player) players;
-    bool submissionsOpen;
-    mapping (address => mapping (uint => bool)) solves; // address -> challengeID -> solved/not
-    mapping (uint => bool) anySolves; // challengeID -> solved/not
-  }
-
-  mapping (uint => Contest) public contests;
-
-  event ChallengeAddedOrUpdated(uint contestID, uint indexed challengeID);
-  event ChallengeSolved(uint contestID, uint indexed challengeID, address indexed solver);
-
-  function createContest(uint contestID) external {
-    require(contests[contestID].admin == address(0), "This contest ID has already been registered");
-    contests[contestID].admin = msg.sender;
-    contests[contestID].submissionsOpen = false;
-  }
-
-  function setAdmin(uint contestID, address newAdmin) external onlyExistingContest(contestID) onlyAdmin(contestID) {
-    require(newAdmin != address(0));
-    contests[contestID].admin = newAdmin;
-  }
-
-  function setSubmissionsStatus(uint contestID, bool open) external onlyExistingContest(contestID) onlyAdmin(contestID) {
-    contests[contestID].submissionsOpen = open;
-  }
-
-  function addOrUpdateChallenge(uint contestID, uint challengeID, address obscuredFlag, uint worth, uint256 descriptionFingerprint, bool onlyFirstSolver, string memory skill) external onlyExistingContest(contestID) onlyAdmin(contestID) {
-    require(obscuredFlag != address(0), "The obscured flag value must not be 0");
-    contests[contestID].challenges[challengeID] = Challenge(obscuredFlag, worth, descriptionFingerprint, onlyFirstSolver, skill);
-    emit ChallengeAddedOrUpdated(contestID, challengeID);
-  }
-
-  function register(uint contestID, string memory password) external onlyExistingContest(contestID) {
-    require(contests[contestID].players[msg.sender].status == PlayerStatus.Unverified, "You are already registered or banned in this contest");
-    require(keccak256(abi.encodePacked("I_read_it")) == keccak256(abi.encodePacked(password)));
-    contests[contestID].players[msg.sender].status = PlayerStatus.Verified;
-  }
-
-  function setPlayerStatus(uint contestID, address player, PlayerStatus status) external onlyExistingContest(contestID) onlyAdmin(contestID) {
-    contests[contestID].players[player].status = status;
-  }
-
-  function submitFlag(uint contestID, uint challengeID, bytes memory signature) external onlyExistingContest(contestID) onlyExistingChallenge(contestID, challengeID) onlyOpen(contestID) {
-    require(contests[contestID].players[msg.sender].status == PlayerStatus.Verified, "You are unverified or banned in this contest");
-    // the correct signature is an ECDSA signature where (1) the message (hash) is the sender address and (2) the private key is the flag;
-    // (2) is checked by testing against the public key, which can then be public information
-    address recoveredSigner = recoverSigner(bytes32(abi.encodePacked(msg.sender)), signature);
-    require(recoveredSigner != address(0), "Invalid signature");
-    require(recoveredSigner == contests[contestID].challenges[challengeID].obscuredFlag, "Wrong answer");
-    require(!contests[contestID].solves[msg.sender][challengeID], "You have already solved this challenge of this contest");
-
-    if (!contests[contestID].anySolves[challengeID] || !contests[contestID].challenges[challengeID].onlyFirstSolver) {
-      contests[contestID].players[msg.sender].score += contests[contestID].challenges[challengeID].worth;
-    }
-    contests[contestID].solves[msg.sender][challengeID] = true;
-    contests[contestID].anySolves[challengeID] = true;
-
-    emit ChallengeSolved(contestID, challengeID, msg.sender);
-  }
-
-  function recoverSigner(bytes32 messageHash, bytes memory signature) public pure returns (address) {
-    (bytes32 r, bytes32 s, uint8 v) = splitSignature(signature);
-    return ecrecover(messageHash, v, r, s);
-  }
-
-  function splitSignature(bytes memory sig) public pure returns (bytes32 r, bytes32 s, uint8 v) {
-    require(sig.length == 65, "Invalid signature length");
-    assembly {
-      r := mload(add(sig, 32))
-      s := mload(add(sig, 64))
-      v := byte(0, mload(add(sig, 96)))
-    }
-  }
-
-  function getPlayerStatus(uint contestID, address player) external view onlyExistingContest(contestID) returns (PlayerStatus) {
-    return contests[contestID].players[player].status;
-  }
-
-  function getPlayerScore(uint contestID, address player) external view onlyExistingContest(contestID) returns (uint) {
-    return contests[contestID].players[player].score;
-  }
-}
diff --git a/contracts/Hall_of_Fame.sol b/contracts/Hall_of_Fame.sol
new file mode 100644
index 0000000..20ed906
--- /dev/null
+++ b/contracts/Hall_of_Fame.sol
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-3.0
+// Author: six
+// State: v0.1
+pragma solidity ^0.8.17;
+
+contract CCTF_Hall_of_Fame {
+
+address fame_manager;
+
+constructor () {
+    fame_manager = msg.sender; // TBA There should be more, eg. DAO-like feature.
+}
+
+modifier only_famman {
+    require(msg.sender == fame_manager, 'Not Fame Manager.');
+    _;
+}
+
+    //Contributors
+    uint contributor_count;
+    struct Contributor{
+        uint256 id;
+        string name;
+        string skills;
+        uint record_date;
+    }
+    Contributor[] public contributors;
+
+    // Players
+    uint player_count;
+    struct Player{
+        uint256 id;
+        string name;
+        string team_name;
+        string skills;
+        uint record_date;
+    }
+    Player[] public players;
+
+    function addContributor(string memory _name, string memory _skills) external {
+        contributor_count = contributor_count+1;
+        contributors.push(Contributor(contributor_count, _name, _skills, block.timestamp));
+    }
+
+    // There is no remove, once someone contributed it is safu.
+
+    function addPlayer(string memory _name, string memory _skills, string memory _team_name) external {
+        player_count = player_count+1;
+        players.push(Player(contributor_count, _name, _skills, _team_name, block.timestamp));
+    }
+
+    function listContributors() public view returns (Contributor[] memory) {
+        return contributors;
+    }
+
+    function listTopPlayers() public view returns (Player[] memory) {
+        return players;
+    }
+
+}