Cryptocurrencies

Footprint Analytics: What is the most scalable protocol in Layer 2?

Layer 2 blockchain protocols are built atop Layer 1, like Ethereum, and exist to make transactions faster while solving scaling problems. 

There are 19 major Layer 2 projects in total, shown on the graph below .

Footprint Analytics: Layer 2 TVL by Protocols

These projects really took off in September, when TVL rose from $820 million (on September 9) to $3.59 billion (on September 16). In one week, this category of blockchain projects grew 338%.

Despite the newness of this category, and the rapid growth of projects, is it possible to predict which Later 2 protocols will succeed? 

While it is impossible to predict developments for certain, investors can analyse projects according to TVL growth change, rich ecosystem and the way of technical validation proof. According to these metrics, Arbitrum and Boba Network are particularly strong projects, whereas zkSync and OMG Network have serious potential if they can achieve the above

Layer 2 Blockchain networks comparison

According to Footprint Analytics, the Layer 2 blockchain network had a total TVL of $3.7 billion as of December 30, with the largest share of TVL being Arbitrum at $2.4 billion followed by Boba Network at $400 million, Optimism at $420 million, Metis Andromeda at $300 million, and the smaller funds of zkSync and OMG Network ($68 million and $3 million).

Footprint Analytics: TVL by Layer 2 Blockchain Network(Latest Day)

  • Arbitrum: A Layer 2 scaling solution developed by Offchain Labs that uses Optimistic Rollup technology to increase the scalability and speed of on-chain contracts and is fully compatible with EVM (Ethereum Virtual Machine).
  • Boba Network: Formerly known as OMGX Network, it has an Optimistic Rollup exit period reduced from seven days to only a few minutes.
  • Optimism: An EVM-compatible Optimistic Rollup chain which aims to be fast, simple and secure.
  • Metis Andromeda: An EVM-equivalent Optimistic Rollup chain originally forked from Optimism. Mainly focused on supporting the creation of Decentralized Autonomous Corporations (DACs).
  • zkSync: A transfer tool that saves users most of their gas costs.
  • OMG Network: An established Layer 2 network with a focus on payment positioning and Plasma-based scaling solutions.

Footprint Analytics: Layer 2 Network by TVL Growth Rate

In addition, among these networks, four use Optimistic Rollup scaling technology, while the others use ZK Rollup and Plasma scaling technology respectively.

The advantages and disadvantages of these three scaling techniques are as follows.

  • Optimistic Rollup Compression of on-chain transaction data, but inefficient validation.
  • ZK Rollup is highly decentralised but difficult to develop.
  • Plasma secures assets, but information unavailability is a barrier.

How do different Layer 2s validate?

  • Arbitrum: Uses fraud proofs to ensure the state is correct.
  • Boba Network and Optimism: In development.
  • Metis Andromeda: No validation.
  • OMG Network: Uses fraud proofs only at the exit stage.
  • zkSync: Uses zero-knowledge proof to ensure the new state of every update  is derived by correctly applying a valid set of user transactions to the previous state.

Except for OMG, the other five blockchain networks record all transaction data on-chain.

Footprint Analytics: Layer 2 Protocols Risk List(Latest)

How much money do Layer 2 solutions save compared to Ethereum?

The cost of using Ethereum is 4 to 20 times higher than Layer 2. Transfer fees on zkSync cost as low as $0.44 and those of Arbitrum One are about $2.

On December 30, the transfer fee fluctuates but is currently as low as $0.25. 

Screenshot source: L2 Fees(Latest)

How many protocols for different Layer 2s?

The Arbitrum mainnet was launched on October 14 2020, and has attracted major names including Curve, Sushiswap, Abracadabra and the rebranded Multichain cross-chain. 

As a result, the on-chain ecosystem is growing, allowing Arbitrum, which has yet to issue a native token, to take the top spot on the Layer 2 project list with a TVL of $2.5 billion.

Footprint Analytics: Arbitrum TVL by Protocols(Latest)

The Optimism ecosystem currently has 15 dApps and is dominated by the Synthetix ecosystem. This is a slight advantage over blockchains such as Avalanche, Solana and Arbitrum.

Footprint Analytics: Optimism TVL by Protocols 

The Boba Network ecosystem currently has 3 dApps. Footprint Analytics provides an in-depth analysis of Boba’s ecosystem in “After its huge surge, could Boba become the top Layer 2 project”. 

The largest amount of money in Boba is accounted for by its DEX project Oolongswap, which acts as Boba’s liquidity hub. It aims to offer the best trading experience, cheapest fees and lowest slippage in Boba, and introduces the revolutionary concept of dynamic transaction fees.

Footprint Analytics: Boba Network Ecosystem

The other blockchains – Metis Andromeda, OMG Network and zkSync are relatively homogeneous compared to Arbitrum and Optimism – all currently have one to three dApps.

Comparing the top Layer 2 projects

According to Footprint Analytics, as of December 30, dYdX had the most TVL out of any Layer 2, followed by Loopring and then ImmutableX. 

It is worth noting that ImmutableX uses Validium as its scaling technology, while the other two top projects use ZK Rollup.

Footprint Analytics: dYdX TVL & Loopring TVL & ImmutableX TVL

dYdX, Loopring and ImmutableX have all issued native tokens, the earliest being Loopring (LRC), whose current price is $2. dYdx’s token price is the highest, ranging from $12.61 at launch (Sept. 8) to a peak of $26.80 (September 30). As of December 30, the price was below the price at issue of $8.34. 

ImmutableX (IMX) has just launched its governance token, with a total of 20 million IMX tokens in circulation and three main use cases: pledges, transaction fees and governance.

Footprint Analytics: LRC Price & DYDX Price & IMX Price

These three also differ in the scaling solution.

  • dYdX aims to build a powerful and professional exchange for trading crypto assets where users can truly own their trades and, eventually, the exchange itself.
  • Loopring is a secure transaction and payment protocol built on Ethereum and extremely scalable, featuring 1,000 times more throughput at 0.1% of the cost of L1.
  • ImmutableX claims to be the first Layer 2 for NFTs on Ethereum. It promises zero gas fees and instant transactions and scalability for games, apps, and marketplaces.

Conclusion

Congestion and high gas fees rendered Ethereum unusable for most people. To solve these problems, Layer 2 blockchains and projects have emerged to alleviate the challenges of Ethereum, leading to a massive inflow of users.

So, how do you evaluate the most promising protocols among the many Layer 2 projects?

  • TVL should sustain an upward trend, without wild swings.
  • It solves problems for users and projects, and is more likely to attract headline projects and enrich its ecosystem.
  • It has a sound economic model and new direction for scaling technology, and the ability to scale Layer 2 to Layer 1 capabilities.

What is Footprint Analytics?

Footprint Analytics is an all-in-one analysis platform to visualise blockchain data and discover insights. It cleans and integrates on-chain data so users of any experience level can quickly start researching tokens, projects and protocols. With over a thousand dashboard templates plus a drag-and-drop interface, anyone can build their own customised charts in minutes. Uncover blockchain data and invest smarter with Footprint.  

Footprint Website:  https://www.footprint.network

Discord: https://discord.gg/3HYaR6USM7

Twitter: https://twitter.com/Footprint_DeFi

Telegram: https://t.me/joinchat/4-ocuURAr2thODFh

Ross Chalmers

Ross first discovered Bitcoin as an undergraduate at the University of Sussex in 2013. Since then, the self-confessed Game of Thrones superfan has travelled extensively before returning to academic studies with Leiden University in the Netherlands to complete his MA. His focus was on the philosophies and groups underpinning the Bitcoin movement, Crypto Anarchy and the CypherPunks. As a child, Ross set his heart on one day becoming an F1 driver but nowadays focuses his passion on the high-speed nature of crypto.

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