RISC Zero 🟡 Profile picture
Nov 15 8 tweets 2 min read Read on X
Introducing Kailua: A hybrid architecture that gives OP chains 1-hour finality without the higher cost of constant ZK proving.
2/ Today, the rollup landscape offers two different approaches:
→ Optimistic rollups: Low costs but 7-day finality
→ ZK rollups: Fast finality but high proving costs

Kailua introduces an innovative third option, combining the strengths of both.
3/ Built on OP's upcoming Kona suite, Kailua delivers what teams need:
→ Fast finality: Settle in under 1 hour
→ Low costs: Only prove during disputes
→ Easy integration: Full OP Stack compatibility
4/ Breaking down Kailua's cost and compatibility advantages: Image
5/ Kailua will let you control your path to full ZK:

Start with occasional validity proofs, increase frequency over time, and transition to full block-by-block proving when ready.

Your chain, your pace. Image
6/ Kailua will be supported by all major rollup-as-a-service providers including @conduitxyz, @alchemyplatform, @calderaxyz, @gelatonetwork , @alt_layer, @0xZeeve.
7/ Reach out today to start using Kailua ↓
form.typeform.com/to/dIVkHdkf
8/ Learn more about Kailua:

The vision → risczero.com/blog/introduci…

The deep dive → risczero.com/blog/kailua-ho…

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More from @RiscZero

Oct 31
Boundless is getting hardware acceleration.

RISC Zero and @FabricCrypto are bringing real-time ZK to @boundless_xyz, powered by the first custom-designed verifiable processing unit (VPU).

Here's how we are speedrunning ZK ↓
2/ Fabric's VPU is the first processor that is purpose-built for cryptography.

Its custom instruction set optimizes fundamental cryptographic operations, and remains flexible to existing and frontier algorithms. Image
3/ RISC Zero is building @boundless_xyz, the first protocol that brings the power of ZK to all chains.

Boundless is complementary to all existing networks, apps, and developers, allowing them to scale natively without leaving their ecosystem. Image
Read 6 tweets
Oct 7
Introducing Steel 1.0: A production-ready smart contract prover bringing boundless runtime to EVM apps.

Steel moves smart contract execution offchain, bypassing gas limits while preserving onchain security.

Enhance your existing Solidity contracts ↓
2/ Steel uses execution proofs to eliminate blockchain re-execution.

Any computation—no matter how complex—becomes a compact proof which is quickly verified onchain.

Result? Boundless runtime, massive cost reductions. Image
3/ Our partners are already leveraging Steel's power.

One app:
- Processed 400,000 SLOADs in a single contract call
- Saved 1.2 billion gas (equivalent to 30 blocks of execution)
- All proven with just one execution proof

This is not small improvement. It's a paradigm shift.Image
Read 5 tweets
Sep 16
Introducing Boundless: The Verifiable Compute Layer

Unlimited execution. Global composability. On-demand scaling.

For every developer. On any chain.
2/ Boundless leverages ZK to enable verifiable off-chain execution for any chain.

This means any application can be built off-chain while inheriting blockchain security.

No block/txn/execution limits. Only boundless possibilities.Image
3/ Boundless will bring forth a new era of advanced & expressive apps:
→ DEXs with CEX-like UX, accessing the liquidity of all chains
→ Verifiable AI interactions with onchain results
→ ZK-wrappers for centralized IDs

Imagine it. Build it. Scale it with Boundless.
Read 7 tweets
Jul 2
We're thrilled to announce a collaboration with @celestiaorg to build Blobstream Zero, a new-generation zkVM-based Blobstream bridge. 🟡

Blobstream Zero will bridge Celestia's permissionless DA layer to Ethereum, Optimism, Bitcoin, Solana, and more...
2/ Blobstream Zero opens up a new class of modular apps: ZK Coprocessors.

Dapps on Ethereum, Optimism, and Solana can run highly functional and data-rich ZK programs, powered by RISC Zero and Celestia, while maintaining composability.
3/ As a fully open-sourced and permissionless public good, any developer and project can run Blobstream Zero and generate ZK proofs locally.

The Rust-based repo will be easily upgradable and extensible, allowing projects to modify the bridge to fit their needs. ⏫
Read 5 tweets
Jun 17
Introducing zkVM 1.0: The Future of Verifiable Computation🌐

Today, we're excited to launch the world's first and most performant, production-ready zkVM.

zkVM 1.0 makes zero-knowledge proofs scalable, accessible, and cost-effective for any chain.
2/ Unrivaled Performance 🔥

zkVM 1.0 offers cost-effective proving with performance that significantly outperforms competitors.

Our tests show zkVM 1.0 is significantly less expensive and consistently faster across various workloads.

Full details ↓
risczero.com/blog/beating-m…Image
3/ Benchmark Highlights ⏫

Across the board, a properly configured RISC Zero zkVM outperforms a similarly configured SP1 deployment in both cost and speed. This holds true:

→ In the cloud
→On consumer Macs (M2 Max and M3 Max)
→On consumer PCs with NVIDIA GPUImage
Image
Image
Read 8 tweets
Apr 26
Introducing Steel: our Alloy-based view call proof library designed to revolutionize dapp scalability directly on Ethereum L1 and beyond. 🟡

Why Steel is a game-changer for EVM developers and onchain protocols ↓
With Steel, RISC Zero’s ZK Coprocessor gains access to Ethereum's full state.

Tests surpassing 100K SLOADs (>210M gas) show Steel can cut $1000s in fees with one proof.

Steel enables Layer 0.5 scaling, sidestepping Ethereum's block & txn size limits, unlocking new use cases.
Steel enhances RISC Zero’s ZK Coprocessor, offering:

✅ Solidity smart contract execution
✅ Unbounded compute via Continuations
✅ Trustless off-chain execution
✅ Security of the first production-ready zkVM
✅ No vendor lock-in

All without writing a single circuit.
Read 6 tweets

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