We’re already starting to see the seeds of second layer potential develop from the base layer primitives that have been added or optimized in the first decade. Lightning, while still subject to some pretty big limitations, is really starting to thrive. And that is just the limited first version that is currently specified and deployed. There are now sidechains of various kinds deployed: Liquid, RSK, and even token chains tied to Bitcoin developed by Commerceblock. This is just the start.

Schnorr and Taproot

Just over the horizon, we have the combination of Schnorr and Taproot. On the Schnorr side of things, this is a much cheaper to verify signature scheme in batches, as well as the next…

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