Especially for optimistic rollups....When funds are withdrawn from an optimistic rollup back to Ethereum using a roll-up bridge, funds are...Optimistic rollups exist so that the L1, Ethereum, does not have to do the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...

ZK (Validity) Rollups: Entering the General Purpose Era [Excerpt from a Delphi Insights report] Rollups...Rollups (ORU) and ZK Rollups (ZKR)....Fraud proofs, as used in Optimistic rollups, are only needed when disputing the transactions posted to...

Based rollups Quoting Justin Drake: “A rollup is said to be based, or L1-sequenced, when its sequencing...With based rollups, every rollup and their competitors can opt-in to use the already bootstrapped and...If current rollups were to switch to become a based rollup, they’d be giving up this value to the L1...

Synthetix and Optimism While the rollups we know and love today were still being built, Synthetix committed...to building on Optimism – one of the earliest projects to commit to a specific rollup.

This simplified graphic depicts the parts which apply to both Ethereum optimistic rollups (ORUs) and...Settlement from Rollups – Rollups post proofs to the L1....It’s quite optimistic that every rollup will run near the lower bound of DA efficiency....rollup.

In the case of Optimistic Rollups, fraud proofs require access to the transaction data along with the...The funds would be secured by the underlying Bitcoin miners until the optimistic withdrawal is settled...The final proof combines all of them and is optimistically verified by BitVM.

...and there are two main categories: Optimistic Rollups (ORU) and ZK Rollups (ZKR)....Fraud proofs, as used in Optimistic rollups, are only needed when disputing the transactions posted to...This is where the term Optimistic comes in – all state changes are assumed valid until they are proven...

...functions as a p2p liquidity bridge across chains In contrast to this, Optimism and Arbitrum, two Optimistic...Rollup implementations, are designed to be general-purpose....This is because, as part of the Rollup security model, the Rollup Sequencer (the party that replaces...

⚡ 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.

In this report, we look at how the Layer 2 ecosystem is shaping up and dive into the varying rollup solutions...order to unlock the next phase of growth, the scaling torch has been passed over to Layer 2s, led by rollup...

Chart of The Day: Arbitrum vs Optimism Arbitrum and Optimism are the two leading Optimistic rollups...For more on L2s, Delphi members can read our Delphi Pro report on ZK Rollups here!...Chart of The Day: Arbitrum vs Optimism Arbitrum and Optimism are the two leading Optimistic rollups for...

Plus, bridged assets are especially tricky on Optimistic rollups as rollbacks might lead to a significant...Briefly, an Optimistic Rollup’s transaction life cycle works like this....The optimistic rollup version of this design looks similar to the Shared Validity Sequencing design we...

These two leading optimistic rollups have been able to effectively incentivize usage via airdrops....These are classified as optimistic rollups (ORUs) because the transactions are assumed to be valid....We cover rollups in more detail in our guide to rollups, published exclusively for Delphi Pro members...

Pioneered by the team that launched the first Optimistic rollup, Fuel is not another rollup stack but...rollups (ORUs) and zero-knowledge (ZK) rollups....Before we understand how Fuel’s Hybrid proving works, we should understand how Optimistic rollups structure...

Initia aims to solve cross-chain fragmentation by integrating three key components: OPinit – Optimistic...tokens Users deposit assets into a L2 via the canonical optimistic bridge, with Hermes IBC relayers...Instead of forcing users to wait for optimistic exits or rely on external bridges, Initia’s approach...

Optimistic rollups inherit their name from their “optimistic” approach to handling the off-chain transactions...By default, Optimistic rollups assume that all transactions are valid....Instead, to safeguard against fraudulent or incorrect transactions being validated, Optimistic rollups...

...zk Rollup Model Let’s walk through a simple overflow of how transaction execution works on a zk rollup...Example: Rollup A sends a message to rollup B....So rollup B will accept this message from A before the state of rollup A is finalized on Ethereum to...

Despite this common belief, I posit the opposite stance: the future is brighter than ever, and being optimistic...are reading this now proves that such pessimism is almost always wrong, and those who bet smartly on optimistic...People often conflate optimism with dreamers who are soft, idealistic, or even delusional, as if optimists...

This is an optimistic rollup running the general purpose Solana VM Sealevel (same as on Solana) but as...a rollup on Sei....the Cosmos ecosystem, with future iterations possibly launching as general purpose or app specific rollups...As for a timeline, we’ve seen with the Ethereum rollups how long development has taken, and an added...

Mantle Network is an Optimistic rollup (ORU) backed by BitDAO’s funding....Availability Mantle Network offers a unique solution to the challenges associated with traditional Optimistic...rollups (ORUs) like Arbitrum and Optimism, which post compressed L2 data on the Ethereum mainnet, leading...