Bitcoin Optech Newsletter #428 Recap Podcast
The Bitcoin Optech Newsletter #428 podcast discusses the 'Lichen' protocol, a proposed layer 2 solution for Bitcoin that utilizes zero-knowledge proofs (ZKP) and the BABE protocol to enable trust-minimized, unilateral exits from a single-issuer system. The discussion highlights how Lichen aims to resolve issues related to covenant emulation and fixed-size UTXO withdrawals found in other L2 models, while noting that the hub entity faces significant liquidity and operational requirements.
Read the original report at Bitcoin OptechThe proposal introduces a new architectural approach to Bitcoin Layer 2 scaling that attempts to balance trust-minimized self-custody with the flexibility of off-chain transactions, potentially offering an alternative to existing Lightning Network or committee-based L2 models.