# What is the Single-Slot Finality mean **URL:** \ **Category:** Support\ **Created:** [July 24, 2023, 5:03am UTC](https://forum.eigenlayer.xyz/t/what-is-the-single-slot-finality-mean/7155 "2023-07-24T05:03:11Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![rbchi](https://avatars.discourse-cdn.com/v4/letter/r/bbe5ce/32.png) [@rbchi](https://forum.eigenlayer.xyz/u/rbchi)\ **Post date:** [July 24, 2023, 5:03am UTC](https://forum.eigenlayer.xyz/t/what-is-the-single-slot-finality-mean/7155/1 "2023-07-24T05:03:11Z")
> Single-Slot Finality (Lightweight AVS): It is possible to imagine single-slot finality, where nodes > sign off on the finality of a block via an opt-in mechanism on EigenLayer [18]. The core idea > would be that nodes who have restaked can now attest that they will not build on a chain that > does not include the testified block, thus creating a potential finality pathway. Designing this > so that it is truly opt-in and does not break the consensus protocol is an important direction of > research. From the whitepaper, it expressed that single slot finality can be built based on Eigenlayer. But here anyone explain what is the Single-Slot Finality in simple word? Thanks ---
**Author:** ![rbchi](https://avatars.discourse-cdn.com/v4/letter/r/bbe5ce/32.png) [@rbchi](https://forum.eigenlayer.xyz/u/rbchi)\ **Post date:** [July 24, 2023, 5:04am UTC](https://forum.eigenlayer.xyz/t/what-is-the-single-slot-finality-mean/7155/2 "2023-07-24T05:04:31Z")
haha it seems that I got a nice explanation here > **[Single slot finality | ethereum.org](https://ethereum.org/fil/roadmap/single-slot-finality/)** > > Explanation of single slot finality ---
**Author:** ![walletverse.eth](https://avatars.discourse-cdn.com/v4/letter/w/b77776/32.png) [@walletverse.eth](https://forum.eigenlayer.xyz/u/walletverse.eth)\ **Post date:** [July 25, 2023, 6:54pm UTC](https://forum.eigenlayer.xyz/t/what-is-the-single-slot-finality-mean/7155/3 "2023-07-25T18:54:25Z")
The single-slot finality in the blockchain confirms blocks irreversibly in a single round, but it has drawbacks. Low fault tolerance and vulnerability to long-range attacks weaken network integrity. Difference consensus and scalability challenges can arise due to the rapid confirmation process. It may also be more vulnerable to Sybil attacks, and unintended consequences may occur in smart contracts with a quick end. ---
**Author:** ![walletverse.eth](https://avatars.discourse-cdn.com/v4/letter/w/b77776/32.png) [@walletverse.eth](https://forum.eigenlayer.xyz/u/walletverse.eth)\ **Post date:** [July 26, 2023, 7:43am UTC](https://forum.eigenlayer.xyz/t/what-is-the-single-slot-finality-mean/7155/4 "2023-07-26T07:43:47Z")
Thank you for sharing your insights on Single-Slot Finality and the possibility of achieving it through an opt-in mechanism on EigenLayer. It indeed sounds like a promising direction of research. Ensuring that it remains truly opt-in and doesn’t disrupt the consensus protocol is crucial, and I agree that it will require careful design and consideration. I’m interested to see how this concept evolves and its potential impact on enhancing the finality pathway in the blockchain network. ---
**Author:** ![TOPNFT](https://avatars.discourse-cdn.com/v4/letter/t/9d8465/32.png) [@TOPNFT](https://forum.eigenlayer.xyz/u/TOPNFT)\ **Post date:** [July 26, 2023, 12:36pm UTC](https://forum.eigenlayer.xyz/t/what-is-the-single-slot-finality-mean/7155/5 "2023-07-26T12:36:31Z")
The single-slot finality in the blockchain confirms blocks irreversibly in a single round, but it has drawbacks thank you ---
**Author:** ![rbchi](https://avatars.discourse-cdn.com/v4/letter/r/bbe5ce/32.png) [@rbchi](https://forum.eigenlayer.xyz/u/rbchi)\ **Post date:** [July 27, 2023, 3:38am UTC](https://forum.eigenlayer.xyz/t/what-is-the-single-slot-finality-mean/7155/6 "2023-07-27T03:38:26Z")
> [@walletverse.eth](#): > > and vulnerability to long-range attacks weaken network integrity. Difference consensus and scalability challenges can arise due to the rapid confirmation process. It may also be more vulnerable to Sybil attacks, and unintended consequences may occur in smart con thanks for your explanation. Cause yeah actually I would like to know how Eigenlayer’s AVS play this role on the implementation. ---
**Author:** ![jjlee](https://avatars.discourse-cdn.com/v4/letter/j/8baadc/32.png) [@jjlee](https://forum.eigenlayer.xyz/u/jjlee)\ **Post date:** [July 29, 2023, 6:41am UTC](https://forum.eigenlayer.xyz/t/what-is-the-single-slot-finality-mean/7155/7 "2023-07-29T06:41:18Z")
i think that you have a interesting opinion!!. thank you ---
**Author:** ![TOPNFT](https://avatars.discourse-cdn.com/v4/letter/t/9d8465/32.png) [@TOPNFT](https://forum.eigenlayer.xyz/u/TOPNFT)\ **Post date:** [August 1, 2023, 5:57pm UTC](https://forum.eigenlayer.xyz/t/what-is-the-single-slot-finality-mean/7155/9 "2023-08-01T17:57:47Z")
Yes you are right thanks sir ---
**Author:** ![AMGAD](https://avatars.discourse-cdn.com/v4/letter/a/41988e/32.png) [@AMGAD](https://forum.eigenlayer.xyz/u/AMGAD)\ **Post date:** [August 6, 2023, 8:56am UTC](https://forum.eigenlayer.xyz/t/what-is-the-single-slot-finality-mean/7155/10 "2023-08-06T08:56:59Z")
lets going to the moon eigenlayer