In the present day, Starknet unveiled its devoted rollup chain tech stack, SN Stack. The venture was first teased in a July 2023 weblog publish.
The SN Stack presents builders the flexibility to construct validity rollup chains with custom-made parameters like block occasions and sizes, utilizing confirmed parts of Starknet akin to Starknet OS, CairoVM or the Blockifier execution engine.
Builders can choose to make use of Madara, an open supply and modular framework to rapidly develop appchains, or Dojo, a framework extra suited to constructing onchain gaming apps. Starknet appchains may also have the ability to leverage the StarkWare sequencer infrastructure which in future will likely be open supply.
“From now, projects will be able to build appchains using the gold-standard ZK-STARK cryptography with the ease and low-cost that has only been possible with optimistic rollups,” stated StarkWare co-founder and CEO Eli Ben-Sasson.
ZK-STARKs are thought of to be an improved model of zk-SNARKs as a consequence of their lack of reliance on an preliminary trusted setup, although STARK proof sizes are bigger.
For cross-chain interoperability, there’s a proof-based interoperability answer within the pipeline that leverages Starknet’s upcoming open-sourced prover Stwo (Stark Two), a Starknet spokesperson advised Blockworks.
Paradex, a perpetuals trade, is the one current rollup constructed on SN Stack at this time.
A brief historical past of rollup stacks
In 2020, Ethereum launched into a rollup-centric roadmap that sought to dump execution to L2 chains for scalability. This launched the motivation for rollup groups to develop their very own customized rollup tech stacks, appeal to rollup chain builders and curate a gated ecosystem.
Optimism was first to the sport. Optimism’s OP Stack was formally launched in late 2022 and launched in early 2023. In 2023 adopted the launches of Arbitrum’s “Orbit” then Zksync’s ZK Stack.
Final month additionally noticed the announcement of Commonware’s “anti-framework” stack by ex-Ava Labs VP of engineering Patrick O’Grady. Commonware guarantees an much more modular structure and fewer lock-in than the aforementioned rollup stacks.
Optimism’s first-mover benefit has largely paid off, as is the case with open-source instruments. Based mostly on L2Beat, OP Stack is probably the most extensively used stack with a minimum of 50 mixed rollup and Validium chains constructed on its expertise, together with Kraken’s Ink, Coinbase’s Base and the upcoming Unichain.
This community impact gives Optimism with a profitable monetization alternative. As an example, Optimism presents rollups the choice to enter right into a revenue-sharing settlement that shares 2.5% of sequencer revenues or 15% of transaction charge earnings (whichever is greater).
Whereas Starknet has but to specify a monetization mannequin for SN Stack, the group has confirmed particulars will likely be introduced sooner or later.
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