Layer 2 is still not resolved. Arbitrum's data is brilliant and ZK is focused on the future.

Recently, with the announcement of Arbitrum as the base, Ethereum has been directly promoted to a new level, and discussions about Ethereum have also been heated. The vast ecosystem is intertwined and can be described as the “meat of justice” to solve the stubborn problem of scaling Ethereum today.

While setting up and introducing Layer 2 has not been a problem for the past two years, the roll-up systems still available at this point have been divided into ZK Rollup and Optimistic Rollup. A full, paid practice is a good idea, which is what we often refer to as confidence and decision making. In addition to these two important systems, Layer 2 also includes state channels and plasmas. You can refer to the image below for Layer2 projections.

Layer 2 development was initiated by Arbitrum.

Arbitration can be said to be the best design for Layer 2 operations based on the principles of optimistic cumulation. Since Arbitrum announced the launch of the Arbitrum One benchmarking test on August 31st, cycle capitalization, interest in the hype and continued volume growth have shattered interest in Crypto Circle. Ethereum in the matter instilled a strong thermal tensile force. Within two days of the announcement, Arbitrum's closing content volume reached over $ 20 million. As of September 10, he has crossed the $ 100 million mark and now has $ 1.84 billion, which is 20 times more. According to L2BEAT data, the total phase 2 close currently stands at US $ 3.2 billion, of which 57% for Arbitrum. A two-way project with a container.

(Image = L2Bit)

From an ecological point of view, after Arbitrum an attempt to go live, the free restrictions were removed and opened to all users, and many parts of the project including Uniswap, Balancer, MCDEX V3, cBridge, WePiggy, SynFutures and other companies have been involved. . Arbitrum, the most elaborate result, if, in addition to larger plans, Arbitrum first project "the world of dogs" also plays an important role, giving priority to short-term investments. According to statistics from the legitimate site, more than 100 projects sponsored by Arbitrum are more embryonic ecological forms.

(Source : https://portal.arbitrum.one)

In terms of technological development, Arbitrum will continue to be used as a network monitoring and implementation system, and will continue to strengthen its transmission in the future. Recently, Unauthorized Token Bridging will be released for all operations on October 22. According to the report, this feature applies to key functions of ERC20 tokens and exchanges between L1 and L2, and also allows both parties or individuals to distribute ERC20 tokens such as checks, snapshots and other activities. We can predict that there will be a new trial of liquidity assets. In the latest news, Arbitrum announced that they will be releasing Arbitrum Nitro, an expansion to Arbitrum One, and hope to speed up the second process 20 to 50 times faster and reduce costs after running Arbitrum Nitro.

Optimism, starting with the best students, has been slow to grow.

Optimism released a beta based on the Ethereum mainnet in January of this year, and at the time was co-sponsored by Uniswap, Compound Immigration Plan, and Synthetics Synthetics. . One official said: "The mainnet is expected to start at the end of March after public review by the community. So far Optimism has not published any more news, its development was also slow and at the moment it was focusing on Synthetix ecology. In terms of volume close, Optimism temporarily took third place with $ 26 million, showing the difference. The one above is better than Arbitrum's, and both cost 1.58 and 2 respectively, $ 13. During the project, Uniswap V3 was officially launched on the Optimism mainnet in July. In August and August, Optimism launched a new gateway interface, allowing all ERC20 tokens to deposit and withdraw funds to Optimism So far all aspects of Optimism remain after slow research.

(Source : https://l2fees.info)

ZKRollup department still has a long way to go

The best performance can be achieved with EVM in the short term, and ZKRollup, which relies on unknown identifiers, is more attractive in terms of compatibility in the end result.

Compared to Optimisitic, ZKRollup has additional development lines including Loopring, Hermez, ZkSync, Aztec, StarkEx and zkEVM. Among them, the Loopring protocol has gone through three versions: DEX exchange, currency exchange and AMM exchange. Trade and economic changes to reduce overall oil prices.

zkSync was released in two versions, 1.0 and 2.0, and the public testnet was released in May and the mainnet was released in August without being completed. Progress has been slightly delayed. The current situation is that zkSync 2.0 will be released in a year. The testnet will return to normal later this week and the mainnet will be open as a link. ZK series StarkWare announced the release of StarkEx 3.0, its second expansion, via the mainnet in late July, allowing L2 users to easily interact with the L1 and take advantage of new features such as DeFi Pooling and dAMM. Build a DeFi Pooling Platform with our Celer team.

Another new solution, zkEVM, is on the way. The Ethereum Foundation was created to write Solidity numbers directly into the EVM bytecode without translation and run the bytecode directly in the virtual environment of zkEVM. Of course, this solution is not easy to put online, the team plans to see the model in a year, but in terms of improving the use of the ZK system, it is also a good hope. .

However, the OP and ZK series each have their own functions, and the speed of each role in Part 2 may be faster or slower, but the ultimate goal is to resolve issues with Ethereum's future expansion. After the first business experimentation, General Jang constantly changed and actively supported the development of the expansion in the transformation of public models.