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With the Avail DA mainnet approaching, it's about time we gave you a refresher on its core features. They make us different from other DA layers. A deep-dive into 1. Validity proofs 2. Erasure coding 3. Light clients 4. Data availability sampling 5. Expandable blockspace (1/6)

Avail gives you interoperability with all other blockchains, no matter where you choose to build. OP Stack, Ethereum, Polygon CDK, you name it. With the foundation of a common DA layer built for security and scale (Avail DA), interoperability between chains is drastically simplified. Why? They share a common trust zone. DA provides transaction ordering, and then execution proofs verify state transitions. How? Combining both transaction ordering and execution proofs is the key. Nexus doesn’t enforce integration requirements on developers - you can build wherever and Nexus just works.

Hear us out, if you’re building an L2 on Bitcoin, you should use Avail. Here’s why: BTC L2s can move 99% faster when leveraging Avail DA as an intermediate fast DA layer before posting to Bitcoin for DA. Avail DA has 20 sec blocks and takes around 2 blocks to reach finality providing DA guarantees to L2s in ~40 seconds. Bitcoin has 10min blocks and reaches finality every 6 blocks providing finality in ~1 hour. Your BTC L2 can post transactions to Avail DA every 20 seconds and receive interim finality in 40 seconds. Transactions can then be posted to BTC for DA every 10 min and finalize in ~1 hour.

It's time for the final few steps for Avail DA's mainnet! So far, thousands of chains have been deployed and more than 100 million transactions have been processed on the testnet. We just have a few more things to do before we launch our mainnet. 1. Light Client Challenge to test the core part of Avail DA's infrastructure. 2. Deploying the final testnet that will run in parallel with the mainnet indefinitely for testing. 3. Tooling/Infra Optimization including bridging UI and extending hardware wallet support amongst other enhancements. 4. Getting production ready by fine-tuning incident management and critical response processes so that we can respond to any emergencies. 5. Close Clash of Nodes incentivized testnet. Information about rewards for participants is coming soon. 6. We’ll gradually increase our validator count as we establish the strongest and most decentralized security layer in the modular ecosystem. 7. Rollup Stack Integrations so that developers can build on whichever stack they like. 8. We have a lot of exciting launch partners and are working towards on-boarding more every day before the final release of mainnet! Of course, there are also some exciting steps we’ll be taking along the way to incentivize and reward our community for their participation Read a detailed version of Road to Mainnet here - blog.availproject.org/roadma…