But once you have a clear concept of state channels in general, you can see that this only comes from trying to implement the idea in a constrained context. (jeffcoleman.ca)
At least one project claims to have already created state channel technologies that work for its decentralized applications, although the technology is not open - source. (coindesk.com)
In the future, most blockchain applications will use state channels in some form. (coindesk.com)