Ethereum suspends finalization for two consecutive days, what is the problem and its impact?

2 failures
On the 13th, the block finalization of the crypto asset (virtual currency) Ethereum (ETH) was temporarily suspended for about an hour. This was the second technical issue in less than 24 hours, and the finalization was stalled for 25 minutes on the 12th.

seems like eth has lost finality again pic.twitter.com/40PJPPES4k
— lightspeed mert | helius.xyz (@0xMert_) May 12, 2023
“Stopping finalization” refers to a temporary suspension of the process of officially confirming newly added blocks and making their contents immutable. The block confirmation process typically takes about 15 minutes, according to the Ethereum Foundation.
Various risks arise if finalization does not proceed. Among them is a fraud known as “double spending,” where one Ethereum (ETH) is spent twice. Furthermore, delays in finalizing blocks lead to inconsistent transaction records within the network, increasing the likelihood of network forks. These issues directly affect the reliability and security of blockchain.
While the specific cause of the technical issue is not clear, Ethereum developers have stressed that Ethereum is designed to be highly resistant to these kinds of problems. This means that transactions will proceed as normal and block finalization will resume once the issue is resolved.
Ethereum Core Developer Amidst Some Users Concerns Eric Conner He said on Twitter that the network was “not down” and that the bugs that existed in some clients have already been fixed.
One of the reasons for this problem is that some nodes may have left the network as a result of proofs by nodes holding past states (old views), increasing the load on the entire network. . On Ethereum, if a proof was associated with an old view, it would have to regenerate and verify the state at that point in time, which can tax the system.To address this issue, Prysm, one of the Ethereum clients, has released a new fix. release was done.
connection: Ethereum delays block finalization by about 30 minutes
Future outlook
At the time of writing, Ethereum block finalization has resumed. Ethereum contributor Superfiz points out that the second wave has passed, but a third wave could come. However, he reassured users that transactions will be executed as normal and block finalization will resume once the issue is resolved.

Today the Ethereum mainnet experienced its first ever inactivity leak.
Unsure what that means? Everything you never wanted to know is right here: https://t.co/OFf9aSKBCL
— Ben Edgington (@benjaminion_xyz) May 12, 2023
Superfiz later retweeted the post about the inactivity leak. This is the system by which Ethereum secures the network. Specifically, a system called “Inactivity Leak” is a safeguard that gradually reduces the ETH held by a node if it goes offline or does not perform the activities necessary to maintain the network. This creates an incentive for nodes to actively participate in maintaining the network.
The system keeps the entire Ethereum network secure and efficient, with each node actively contributing to the network. Even if some nodes fail, the system minimizes the risk of the entire network going down.
According to Ben Edgington, product lead for ConsenSys’ Teku Eth2 client, Ethereum has experienced an inactivity leak for the first time.
connection: To the long-awaited PoS, detailed explanation of Ethereum’s first large-scale upgrade “The Merge”
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