...and there are two main categories: Optimistic Rollups (ORU) and ZK Rollups (ZKR)....In fact, the term “ZK Rollup” is not really appropriate; instead, they should be called “Validity Rollups...Validity proofs are posted to Ethereum which includes both the rollup and validium sides, while rollup...

ZK-Rollups For the sake of clarity, it’s important to distinguish between ZK-bridges and ZK-rollups....In ZK-rollups, ZKPs are used to validate every state transition, ensuring the rollup never makes an invalid...Rollup circuits are designed to prove every state transition, whereas ZK-bridge circuits’ main task is...

For rollups (zk/ORU) it would be very easy to switch....Because execution still happens on the rollup, fault proofs and zk proofs are still necessary since they...Based on the premise that for non-EVM-compatible zk rollups would not be possible to become based rollups...

This is the thesis behind zk rollups on Ethereum, with the top 3 projects (Starkware, ZKsync, and Polygon...) boasting a combined market cap of around $2.2 Billion ZK rollups on Bitcoin: The rise of L2s on Bitcoin...While this is similar to the ZK rollup model, the major differences are that the coprocessor programs...

rollups....Finally, we take a look at some of the zk rollups building on top of BTC using these components....In zk Rollups, if the block builder / sequencer withholds the data, that part of the data – including...Yona (zk rollup) uses similar strategy where the operators are also Eigenlayer operators.

ZK (Validity) Rollups: Entering the General Purpose Era [Excerpt from a Delphi Insights report] Rollups...(ORU) and ZK Rollups (ZKR)....Fraud proofs, as used in Optimistic rollups, are only needed when disputing the transactions posted to...The main issue with rollups is that they only offer a linear increase in scalability.

In simpler terms, ZK-TLS enables cryptographic proofs about data to be exchanged over a Transport Layer...KYC’s shortcomings pave the way for ZK-TLS to take center stage....Dissecting ZK-TLS Before delving into the use-cases and technical architecture of ZK-TLS as a combo,...

Especially for optimistic rollups....When funds are withdrawn from an optimistic rollup back to Ethereum using a roll-up bridge, funds are...Optimistic rollups exist so that the L1, Ethereum, does not have to do the compute-heavy job of executing...Extent of Maliciousness As of now, Optimistic rollups collectively hold over $30 bn in TVL.

zk-rollups (ZKRs):  Sequencer receives and orders transactions....So execution shards with zk-proven state roots can be ERs....Aggregated ZK Bridging  I saved the best for last....By far the most compelling bridging vision is the aggregated ZK-bridging I described above....rollup.

And yet ZK rollups (ZKR) and zkApps are forced to play along while burning millions in gas....Over the past couple of years, ZK protocols (mostly rollups) have burned over $55M in gas just to verify...For rollups and zkApps burning millions on L1 gas to prove correctness, zkVerify offers an immediate...

ZK (Validity) Rollups: Entering the General Purpose Era [Excerpt from a Delphi Pro Report] ZKRs have...While dYdX is a rollup (data on-chain) the other three under the StarkEx brand (Sorare, DeverseFI and...Aztec is another early implementation and is unique vs the others as it’s a zk-ZKR, meaning a fully private...

Zk rollups, which use provers for zk proofs, are a solution but can be resource-heavy....zk Rollup Model Let’s walk through a simple overflow of how transaction execution works on a zk rollup...In the past couple of years zk applications (mostly zk rollups) spent almost $30M in gas to verify and...

ZK Rollups vs....In contrast, zero-knowledge rollups, or short ZK rollups, operate differently by submitting validity...As a result, some ZK rollups only need to post state diffs to the L1, whereas Optimistic rollups must...rollups....Router, ZK Gateway, and ZK Chains.

ZKsync Era dominates ZK rollups, leading in TVS, proof volume, and user activity....rollup. ...rollups in key activity metrics....In terms of assets, ZKsync Era also ranks as the top ZK rollup by both TVS, total value secured, and...Many things have unfolded in the broader ecosystem, from development milestones and major ZK Chain launches...

Transaction costs on ZK rollups are lower than ever 2....Applications Leveraging zkVMs Transitioning OP Rollups to ZK Rollups The shift from OP rollups to ZK...There are other benefits of zkVM based rollups compared to circuit based. zk rollups were maintained...

rollups SVM SDK for building appchains: This would be settlement agnostic For its zk rollup, Molecule...The zk rollup then creates proofs for batches of this metadata....In the future, the Full zk Rollup phase will combine validity and consistency proofs into a single zk...

This approach is best suited for zk-rollups....If all rollups end up becoming zk-rollups, Optimism can choose this design over others....This could also be a step towards becoming zk-rollups if that is still the goal for the OP stack. zk...of as a step towards becoming zk-rollups with zkEVM.

ZK accounts allow trust-minimized withdrawal verification from rollups, making Celestia more like an...through native IBC and zk proofs....” property of ZK-SNARKs....For example, a rollup posts a ZK proof showing that a batch of txs were valid....rollup social layer.

Espresso, Radius): manages transaction ordering across rollups. Rollup-as-a-Service (e.g....In the past couple of years zk protocols (mostly zk rollups) spent +$60M in gas to verify and post proofs...On the zk infra level, there have been 16.7M addresses which have triggered txs, mainly zk rollups, while...

⚡ The Complete Guide to Rollups Current rollups settle to Ethereum where they have a smart contract...As rollups decentralize and smart contracts become battle-tested, these rollups could scale Ethereum...You can also build rollups on top of these rollups, so-called “L3s.”...It could serve as a settlement layer for other rollups.