New blockchains are created almost every day in the crypto space, with more developers trying to find a way for a new solution to fix the trilemma problem in the public blockchain infrastructure. 

This means that users are given more options by the day with new existing blockchains, such as transacting or even building their decentralized applications on it. 

While innovation is good, more options may be needed to ensure users understand which blockchain is more suitable for them. 

This is why interoperability is a rising interest that is being researched by most developers. It can unify existing blockchains so that they do not compete with each other but work together to create a unified blockchain ecosystem in the crypto market. 

Avail’s Unification Layer

One project trying to make this goal a reality is Avail, with its new Unification Layer, which aims to unify blockchains and improve user experience in the on-chain world. 

Avail’s Unification Layer has three goals: to help users transact easily between blockchains, to help scale existing blockchain infrastructures, and to help developers create their decentralized applications more innovatively by utilizing more than one blockchain infrastructure. 

It is a blockchain with the specific task of being a communication layer to help blockchains communicate with each other, similar to the Omni-layer concept. 

In its Unification Layer, Avail has three specific protocols to help achieve those three goals, which are the Avail DA, Avail Nexus, and Avail Fusion

Avail DA

Avail DA is the data availability layer created to help other blockchains be more scalable. 

DA is short for data availability layer, which means that, by using Avail DA, blockchains can create a layer two scenario by using Avail, where the blockchain itself uses Avail DA to store and process data. 

For example, a layer one blockchain, like Ethereum, can utilize Avail to store data on its transaction history so that the burden of data storage on its validators is minimized. 

Minimizing the burden of data storage needs can lower the cost of transactions on the original blockchain and increase its speed since the data processing burden is handed over to Avail. 

This helps less scalable blockchains become more efficient while creating an ecosystem of unified blockchains.

Avail Nexus

The second pillar of Avail is the Avail Nexus, which is the roll-up layer to help other blockchains execute smart contracts and connect them with other blockchains. 

This layer of the blockchain is the execution layer, where it uses the rollup mechanism to process other blockchain transactions. 

Returning to Ethereum's example, Avail can act as a layer two blockchain to help Ethereum process transactions using the roll-up mechanism. 

Using the rollup consensus mechanism, all the smart contracts do not need to be modified. The roll-up mechanism helps a blockchain verify another blockchain’s transaction using the original blockchain’s consensus mechanism. 

This means that all the smart contracts verified on Avail that came from Ethereum were verified using the Proof of Stake method because Ethereum uses the Proof of Stake consensus mechanism. 

This is the beauty of rollup because it can help scale another blockchain without changing its smart contract functions. 

This layer is also an execution layer that acts similarly to a bridge to help developers and users execute smart contracts simultaneously on more than one blockchain, creating a more unified blockchain experience overall. 

Avail Fusion

Lastly, Avail Fusion is the security layer of the overall communication between the blockchain users that use Avail.

This layer helps all the smart contracts move around without comprising each other’s blockchain security. 

Also, Avail uses the same infrastructure as the original blockchain so that the smart contracts functionality does not need to be adjusted. 

This creates a more efficient token and smart contract transfers without the need for a wrapping mechanism or any modification of the token or the smart contracts being moved. 

Avail Fusion is the core protocol of this blockchain, as interoperability can be a massive loophole for hackers to exploit a particular blockchain. 

As evidenced by bridge hacks in the previous bull market, such as the Axie Infinity Bridge and the Wormhole Bridge, Avail Nexus will play a massive role in securing transactions on this blockchain, especially with new hackers emerging going into the predicted bull market in 2025. 

Conclusion

Overall, these three pillars help Avail become one of the top protocols realizing the dream of interoperability between blockchain ecosystems. 

While the project is relatively new, it could be one of the biggest protocols in terms of unification. 

However, it is worth noting that Avail has some competition, so it will be interesting to see how the team will move forward to promote the product to the market with all of its competitors. 

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