A quick look at the advancement and ecology of the Seven Layers 2 expansion in 2021

2021 is a year of rapid growth for the Layer 2 ecosystem. Chaincatchers is expected to list key developments and improvements from seven major projects by 2021, including Arbitrum, Starkware, Optimism, zkSync, Metis, Boba Network and Aztec.

1,the judge

Arbitrum was originally a development project at Princeton University and was developed in 2020 by Offchain Labs, a global research group of designers, designers, and Ethereum enthusiasts, and began testing the month of October 2020. Arbitrum addresses the blockchain trilemma: scalability, decentralization and security. . The Arbitrum rollup has the ability to measure Ethereum without compromising network distribution and security, and is also the most advanced EVM solution.

Currently, big companies like Aave, Curve, MakerDAO, Chainlink, MCDEX, Uniswap V3, WePiggy, Sushi swap, SynFutures are all shipped to Arbitrum. According to L2BEAT data, as of January 6, the total Ethereum Layer 2 shutdown was $ 6 billion, of which Arbitrum had the highest closure for expansion at $ 2.74 billion, of which 46.8%.

Currently, projects with major developments based on Arbitrum include GMX, Dopex, Tracer, Premia, Umami Financial, Swapr, Cap and other projects with a system volume of over $ 20 million.

Key improvements:

On May 28, 2021, Arbitrum will release the beta version of Arbitrum One's core developer network.

By the end of August 2021, Arbitrum developer Offchain Labs will complete a $ 120 million Series B funding led by Lightspeed Venture Partners in partnership with Polychain Capital, Ribbit Capital, Redpoint Ventures, Pantera Capital and Alameda. Research, actor Mark Cuban.

On September 1, 2021, Offchain Labs announced the announcement of the Arbitrum Mainnet. The ownership bridging information was released at the same time that the free registration process was removed and all operations were opened to users. At the same time, Arbitrum announced a $ 1 million royalty program on the Immunefi platform. This program is typically used to provide rewards for diagnostic diagnostics at the smart contract level.

By October 2021, the Arbitrum license-free token bridging feature will be available for all operations. The target link for this is the ERC-20 model which supports the easy use and mobility of the ERC20 via L1 and L2.

In October 2021, Arbitrum announced the release of Arbitrum Nitro, an extension of Arbitrum One. The team estimates that running Arbitrum Nitro will make Layer 2 20 to 50 times faster and reduce costs.

2,Starkware

Founded in 2018, StarkWare is an L2 scaling solution based on STARK, the ZK stacking technology, which aims to provide secure, reliable and scalable workloads for blockchain applications. Currently, StarkWare's TVL total is $ 1.21 billion to reach $ 10 million. Sorare, DeversiFi, Immutable X, and Celer Network all refer to StarkWare. The token was not issued.

Key progress:

By March 2021, Starkware had completed a $ 75 million financial roundabout led by Paradigm, led by Sequoia, Founders Fund, Pantera, Our Initials and Alameda Research.

In November 2021, StarkWare raised US $ 50 million worth US $ 2 billion in Series C funding. The economy was led by Sequoia Capital. Other investors include Paradigm, Three Arrows Capital, Alameda Research, IOSG Ventures and Founders. Funds, etc. .

At the end of November 2021, StarkWare announced the ZK stacking concept based on the StarkNet Alpha mainnet, which facilitates integration with other StarkNet contracts and L1 contracts under L1