This page is written for developers to ensure consistency in the use of the license header throughout the code base.

1. Classes belonging to the initial code base will have the license below:

/*
 * Copyright (c) 2017-2018 Aion foundation.
 *
 *     This file is part of the aion network project.
 *
 *     The aion network project is free software: you can redistribute it 
 *     and/or modify it under the terms of the GNU General Public License 
 *     as published by the Free Software Foundation, either version 3 of 
 *     the License, or any later version.
 *
 *     The aion network project is distributed in the hope that it will 
 *     be useful, but WITHOUT ANY WARRANTY; without even the implied 
 *     warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
 *     See the GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with the aion network project source files.  
 *     If not, see <https://www.gnu.org/licenses/>.
 *
 *     The aion network project leverages useful source code from other 
 *     open source projects. We greatly appreciate the effort that was 
 *     invested in these projects and we thank the individual contributors 
 *     for their work. For provenance information and contributors
 *     please see <https://github.com/aionnetwork/aion/wiki/Contributors>.
 *
 * Contributors to the aion source files in decreasing order of code volume:
 *     Aion foundation.
 *     <ether.camp> team through the ethereumJ library.
 *     Ether.Camp Inc. (US) team through Ethereum Harmony.
 *     John Tromp through the Equihash solver.
 *     Samuel Neves through the BLAKE2 implementation.
 *     Zcash project team.
 *     Bitcoinj team.
 */

2. New functionality developed by the Aion foundation will have the license below:

/*
 * Copyright (c) 2017-2018 Aion foundation.
 *
 *     This file is part of the aion network project.
 *
 *     The aion network project is free software: you can redistribute it 
 *     and/or modify it under the terms of the GNU General Public License 
 *     as published by the Free Software Foundation, either version 3 of 
 *     the License, or any later version.
 *
 *     The aion network project is distributed in the hope that it will 
 *     be useful, but WITHOUT ANY WARRANTY; without even the implied 
 *     warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
 *     See the GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with the aion network project source files.  
 *     If not, see <https://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     Aion foundation.
 */

3. If you are not affiliated with the Aion foundation, please use the header above substituting Aion foundation in the contributes section with your affiliation.