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Trust‑Minimized Exits from Single‑Issuer Layer 2
Adam Gibson posted a paper and proof‑of‑concept code for Lichen, a design where a single issuer (hub) mints tokens redeemable 1:1 for bitcoin on a layer‑2 ledger. Users hold 2‑of‑2 contracts with the hub and can redeem tokens even if the hub refuses, relying on a sequencer and on‑chain dispute proofs.