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Are Ethereum Layer-2s The Subsequent Fraud Paradise? This Co-Founder Asks Arduous Questions


Bartek Kiepuszewski, the co-founder of L2Beat, a portal for monitoring Ethereum layer-2 actions, is worried concerning the safety and consistency of present off-chain scaling options, suggesting that with out fraud-proofs, there’s room for fraud and irregularities.

Focus On Optimism And Manta: What’s Going On?

Taking to X on December 20, Kiepuszewski observed that some layer-2 options, corresponding to Manta and Optimism, depend on sequencers to put up information to Ethereum. Nonetheless, with out fraud-proofs, there is no such thing as a method to confirm that the info revealed by the Sequencer on the Ethereum mainnet is correct or full. 

Within the co-founder’s view, at any time when a sequencer posts the batch of transactions on the primary web, there is no such thing as a layer-1 state or occasion change. Per Kiepuszewski ‘s evaluation, this can be a worrying problem that ought to be addressed to make sure no matter is posted is legitimate. 

As an illustration, the co-founder cited current transactions posted by Optimism and MantaNetwork, two well-liked layer-2 scaling options for Ethereum. Kiepuszewski analyzed that Optimism lately despatched a full “information blob” containing all layer-2 transactions. 

"Data blob" from Optimism Sequencer | Source: Etherscan
“Knowledge blob” from Optimism Sequencer | Supply: Etherscan

However, it was famous that MantaNetwork reportedly posted the “root hash of a knowledge blob” to CelestiaOrg. The issue, the co-founder went on so as to add, is that regardless of these operations, Ethereum couldn’t decide whether or not their hashes had been legitimate or not.

The co-founder argues that this might be a recipe for bother for the reason that lack of transparency on Sequencer’s operations presents a serious concern, particularly for customers monitoring the mainnet however not working their layer-2 nodes. 

Ethereum Layer-2s Command Billions With out Purposeful Fraud-Proof Programs

Technically, within the present state, Sequencers play a significant function in guaranteeing that transactions submitted by customers of any layer-2 scaling platform like Optimism or Arbitrum are processed and confirmed to be legitimate earlier than they’re transmitted to the Ethereum mainnet. 

Arbitrum price trending upward on the daily chart | Source: ARBUSDT on Binance, TradingView
Arbitrum value trending upward on the each day chart | Supply: ARBUSDT on Binance, TradingView

Nonetheless, whereas Ethereum layer-2 scaling options presently handle over $15 billion, based mostly on L2Beat information, with out public fraud-proofs, what sequencers publish on the mainnet turns into unclear.

In accordance with L2Beat data, Manta Community has turned off its fraud-proof whereas nonetheless being developed on Optimism. On the identical time, Arbitrum ‘s fraud-proof system remains to be not permissionless since validators should be whitelisted. 

Ethereum layer-s lack fool-proof systems | Source: L2Beat
Ethereum layer-s lack fool-proof programs | Supply: L2Beat

In all, in most main layer-2 protocols managing hundreds of thousands in whole worth locked (TVL), there is no such thing as a public system to observe sequencers and whether or not they’re submitting legitimate particulars to the mainnet.

Characteristic picture from Canva, chart from TradingView





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