'Drivechains, Sidechains & Hybrid 2 way peg Designs' by Sergio Demian Lerner.

https://docs.rsk.co/Drivechains_Sidechains_and_Hybrid_2-way_peg_Designs_R9.pdf nostr:note13x5cpkxltxtfarkq6z4f835crx72ahkg4c0sf833v8zqdm0c9ahq7zuv8t