Rollup security is inherited from the base chain
Rollup validators can never corrupt the state or steal funds (unlike Sidechains)
It's also far easier to transition from L1<->L2 vs migrating chains
Thread to learn about L2's👇
Good discussion on how users of Rollups & plasma can revert to the base chain in-case of failure or disputes
Good analogy of signing cheques
If you know you have not signed any cheques to move funds, you can be confident funds are redeemable
Aztec founders explaining how they organized the largest trusted setup ignition ceremony with 200 different participants, including Vitalik - Users only have to trust that just 1 participant was honest & destroyed their MPC records
Vitalik explaining to an NPC why only having to trust 1 of N (rollups) is much safer than having to trust the majority of N (Tron, liquid federation, ect)
This allows them to "rapidly iterate on zkSync design and implement new features or extensions without losing any security properties"
medium.com/matter-labs/zk…
Despite small sacrifices in resolution speed compared to ZK, they will support full smart contract suites far sooner
Synthetix are moving to Optimism's L2 by EOY & are likely to be joined by other DeFi protocols -> L2 composability 🤹♂️
This is the best interview with @VitalikButerin on ETH 2.0 specs I have listened to
open.spotify.com/episode/2pQOIE…
The secret Maxis & ADA bros don't want you to know ✈️
Only 1 single honest participant in the network is required for users to recover funds in the case of an network shutdown - far different from trusting sidechains
Recommend reading up&down from his post