Alpen Labs Introduces Mosaic
A new announcement from Alpen Labs introduces Mosaic, a fault-proof verifier based on garbled circuits designed for optimistic verification on Bitcoin..
alpenlabs.io/blog
🔗
Introducing Mosaic: Glock's final piece

The problem with cut-and-choose on Bitcoin is cost. Each saved copy normally requires its own set of signatures posted onchain to authorize evaluation, and Bitcoin charges permanent blockspace for every byte.