Community Poll Review - November 2024

How do you think you did on this quiz? Let's review the questions together below:

1️⃣

Why would an L2 prioritize using Ethereum over other DA options?

An L2 would prioritize using Ethereum over other DA options because Ethereum offers stronger security, ensuring users can safely withdraw their assets back to the main chain in case of an emergency.

2️⃣

What is the purpose of alternative data availability layers?

Alternative data availability layers provide L2s with more cost-effective and efficient DA options.

3️⃣

Which of these L2s are using Ethereum for data availability?

The following L2s use Ethereum for data availability:

Taiko
World Chain
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In contrast, Mantle uses its own custom DA solution, MantleDA.

Learn more here: https://l2beat.com/scaling/data-availability

4️⃣

What makes an L2 a validium?

A validium, similar to a zk-rollup, uses validity proofs and relies on Ethereum as the settlement layer. However, it differs by utilizing an off-chain data availability layer instead of storing data on Ethereum.