Rolling ETH2 Chains

[adlerjohn]

Trustless Two-Way Bridges With Side Chains By Halting

This post was written collaboratively by @adlerjohn, @matt, @mikerah, and @villanuevawill (ordered alphabetically by last name). Abstract We present a novel methodology for constructing trustless two-way bridges between a main chain and a side chain. By halting the side chain’s progress permanently, we no longer need tight synchrony requirements and long withdrawal delays even in the optimistic case. Instead, withdrawals are only allowed after the side chain has been halted for a long period of…