Bitcoin = Settlements Layer (L1)

Electrum Server = Accounts Layer (L1.5)

Lightning = Payments Layer (L2)

RGB = Contracts Layer (L3)

Fedimint = Banking Layer (L3)

Nostr = Social Layer (L3)

Carbonado = Storage Layer (L3)

Sidechains are not layers, they're separate blockchains. Layers show us, we only really need the one blockchain.

I'm not concerned about scaling. Plenty of these layers can scale themselves, but that will take work. It's time to build.

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Discussion

All of those L3s are not layers of Bitcoin 🤷‍♂️

Explain to me what you mean? Because your statement isn't true.

You call everything a layer that touches Bitcoin, even if remotely. Are Cashu payments over nostr now layer 4?

If you don't have a definition of what a "layer"is, everything is a layer. If you call "sidechains" like Liquid not layers of Bitcoin, why do you call Fedimint one? They have the exact same trust model. I call neither one a layer.

Here's a useful definition: a system is called a Bitcoin layer, if conflicts in that can be truetlessly resolved in the layer below, with layer 1 being Bitcoin.

Lightning and Statechains are layer 2s. There are no layer 3s yet.

RGB

Layer 3s build on Lightning. RGB is also both an L2 and L3.

Social media is how we help all people onto Bitcoin and help them learn. Telegram groups are too closed off.

Never heard of Carbondale before 🤔

Carbonado.io

Bitcoin's storage layer