The lockchain library is licensed under the MIT "Expat" License: > Copyright (c) 2016: John Bjorn Nelson (gh: @jbn; tw: @generativist). > > Permission is hereby granted, free of charge, to any person obtaining > a copy of this software and associated documentation files (the > "Software"), to deal in the Software without restriction, including > without limitation the rights to use, copy, modify, merge, publish, > distribute, sublicense, and/or sell copies of the Software, and to > permit persons to whom the Software is furnished to do so, subject to > the following conditions: > > The above copyright notice and this permission notice shall be > included in all copies or substantial portions of the Software. > > THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. > IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY > CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, > TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE > SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.