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Espresso Systems | Web2 performance with Web3 security

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High throughput and fast finality without sacrificing decentralization.

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The Espresso Sequencer is a protocol that enables L2 systems like zk-VMs and optimistic rollups to achieve decentralization. Espresso’s HotShot consensus protocol offers high throughput and instant confirmation when network conditions are favorable while remaining robust in degraded or adversarial environments.

Espresso Sequencer: decentralizing L2 scaling solutions

Zero-knowledge proof systems hold the promise to scale Ethereum. To date, proof systems have hit bottlenecks when proving large and complex statements like those required by scaling systems like zk-VMs. Hyperplonk is a new zk-proof system that solves for these limitations, offering a fully linear prover time and support for high-degree custom gates and lookup.

Hyperplonk: the proof system tailored to zk-VMs

Espresso Systems’ open source cryptography library, Jellyfish, implements a number of key cryptographic primitives ranging from hash functions to accumulators to the most feature-complete and fast zero-knowledge proof systems. Fully implemented in Rust, the tools in this library offer remarkable efficiency and correctness.

Jellyfish: your Rust cryptography toolkit

Explore what's brewing.

Web2 performance with Web3 security.

Smart contract systems like Ethereum broadcast all program states and state transitions publicly. ZEXE (zk-execution) offers privacy around what smart contracts they are using. In order to make ZEXE practical for devs and performant for users, Espresso has developed VERI-ZEXE, a system that improves the state-of-the-art by almost 10x.

VERI-ZEXE: high performance smart contract privacy

Today, blockchain transactions reveal all information to anyone who cares to look. Espresso Systems’ Configurable Asset Privacy protocol (CAP) offers transactional privacy. Asset creators can make data visible to designated parties under pre-defined circumstances, balancing privacy needs with risk management requirements. CAP is deployed as CAPE (CAP on Ethereum) on Arbitrum testnet today.

Web2 performance with Web3 security.

CAPE: configurable privacy for your assets

VERI-ZEXE: high performance smart contract privacy