Chaumian Ecash protocols aren't L2s (but that doesn't mean they're not useful)

Bitcoin-denominated Chaumian Ecash has been presented as a scaling solution for bitcoin. It is, at times, advertised as a “layer 2” by enthusiasts. I think both of these statements are false, but that

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Bitcoin Layers · May 22, 2025 · 4:15 PM UTC

Bitcoin Layers @BitcoinLayers

22 May 2025

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Statechains are L2s

The term “L2” is practically meaningless. I discuss why in this blog post (https://x.com/BitcoinLayers/status/1880657683788988705). But, the more I think about statechains, the more I think that they are L2s by the unilateral exit

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