State Channels and Sidechains are the two terms in Ethereum community that are often used interchangeably, thus causing mass confusion.

But today we will get it clear.

Go make a cup of coffee first, it’s going to be a long one.

The purpose of this article is to clearly define:

• What are State channels ?
• What are Sidechains ?

Then we will compare the two:

• What problems are they trying to solve ?
• Which is a better scaling solution among the two ?

Checkout the full article here: https://hackernoon.com/difference-between-sidechains-and-state-channels-2f5dfbd10707