Bitcoin Optech Newsletter #428
The newsletter details Lichen, a single‑issuer layer‑2 design that lets users exit to on‑chain Bitcoin without the issuer’s cooperation by using 2‑of‑2 contracts and on‑chain dispute resolution. It also covers a proposal to embed hash preimages in output script descriptors and regular updates on Bitcoin software releases.
Our full brief of this report is being written. Here is the short summary for now.