What is rollup?Rollups are a scaling solution that works by rolling-up many transactions together into a single “bunch” and then sends that “bunch” back to the consensus layer (L1) for verification. This improves efficiency by verifying multiple transactions at the same time, and also increases the number of transactions that can be verified and confirmed. There are currently two types of rollups:Optimistic rollupsZK-rollupsZK rollupsZK rollups “roll up” transaction data into one, then each “...