Scalability remains a pressing issue as Ethereum scales. Layer 2s, particularly roll-ups, offer a promising solution. But how should developers approach and use these solutions?

David Weisiger, Head of DevRel @ Taiko, recently shared some vital insights on this topic. Let's deep dive:

1. Permissionless Roll-ups at Taiko: Instead of having a sequencer that determines which blocks get added, anyone can propose a block.

👉️️️️️️ Example: Imagine a Uniswap-like interface but for proposing and verifying L2 blocks, leveling the playing field. However, this system presents unique challenges, like duplicate blocks being proposed by different people.

2. PBS - Proposer Builder Separation: Think of it as having architects (proposers) and builders (executors) working separately to design and construct an edifice.

👉️️️️️️ Example: Visualize a Dapp where proposers are responsible for crafting transactional blueprints. Then, separate entities, the builders, step in to execute them.

3. MEV Boost & FlashBots: It's like a highway where Ethereum validators can find the fastest route (economically profitable blocks) using tools like MEV Boost.

👉️️️️️️ Example: Think of validators harnessing MEV-boosted paths, which function similarly to how traders exploit arbitrage opportunities.

🎥️️️️️️ To learn about more solutions and for an in-depth exploration of David's talks – we highly recommend tuning into the full session from Epic ETH Infra Day.