Bitcoin Magazine Spark and Ark: A Look At Our Newest Bitcoin Layer Twos

In my quest to find the best solution for Cake Wallet to offer user-friendly, non-custodial Lightning to our users, I’ve gone deep down the rabbit hole of both Spark and Ark. Both are quite novel approaches to Bitcoin layer two networks, and are designed at their core to be interoperable with the broader Bitcoin network for payments via the Lightning Network. While both can be used “just” for Lightning payments, both networks are positioned to rapidly expand and be used for far more than that over the coming months and years.

One thing to keep in mind is that while Spark and Ark on their face seem rather similar, in practice and in implementation they are quite distinct.

Why do we need new layer twos?

Bitcoin at it

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