Comparing Bitcoin Layer 2 Security Models
A new guide compares Bitcoin Layer 2 models, including Lightning, Liquid, Rootstock, and BitVM-based rollups, focusing on their custody arrangements, security assumptions, withdrawal mechanisms, and associated risks
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Bitcoin Layer 2: How Lightning, Sidechains, and Rollups Work
Lightning, sidechains and rollups all move bitcoin activity off the main chain. Here is who holds your BTC on each Bitcoin layer 2 and what can go wrong.