A16z Crypto Launches Jolt to Boost Blockchain with ZK Proofs

A16z Crypto launches Jolt, a zkVM using SNARKs for scalable ZK-rollups, enhancing blockchain speed and security.
By Kelvin Munene Murithi
Updated June 21, 2025
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Highlights

  • Jolt doubles speed with SNARKs for blockchain scalability.
  • A16z Crypto's Jolt open-sources for enhanced blockchain security.
  • Jolt & Lasso synergize for off-chain operations with on-chain integrity.

Andreessen Horowitz’s crypto division, A16z Crypto, has introduced Jolt, a Zero-Knowledge Virtual Machine (zkVM). This development is expected to improve blockchain systems by using zero-knowledge proofs ability, specifically SNARKs (Succinct Non-Interactive Arguments of Knowledge), to achieve scalable ZK-rollups in the Layer 2 space. 

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Zero-Knowledge Virtual Machine

Jolt comes in as a remedy in the blockchain technology meant to speed up and improve the scalability of blockchain networks. The foundation of Jolt is SNARKs, an advanced version of zero-knowledge proof that allows the implementation of scalable ZK rollups.

This technology provides the implementation of a major part of computational work and so blockchains can process and verify transactions faster and more securely. Using SNARKs integration speeds up the process of compressing and verifying computational tasks without the verifier undertaking any reproduction of the computations.

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A16z Crypto Enhancing Scalability and Security

Jolt’s launch is considered to be a milestone of the A16z Crypto’s deep tech research journey, which is an indication of the venture firm’s move into a part-time computer science researcher and builder. In addition, A16z Crypto wants to contribute to the blockchain ecosystem by releasing Jolt, an open-source software that makes blockchain processes faster and safer.

The design paradigm on which Jolt is built adds simplicity for functionality extension and auditing, allowing developers to create security attributes. Moreover, Jolt is 2X faster than existing zkVM solutions, which means that the performance improvement is huge. This makes the development and execution of blockchain applications completely different.

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A Catalyst for Blockchain Evolution

Simultaneously, Jolt is used together with Lasso, another technology from A16z Crypto that implements a fast prover system for rollups by using a ‘lookup argument.’ This synergy is crucial for enhancing the ability of blockchain applications to scale, where sophisticated operations can be undertaken off-chain but still ensure on-chain verification integrity.

Nevertheless, Jolt’s use cases may go beyond enhancing the sustainability and efficiency of blockchain systems. It is also applicable in Layer 2 blockchains, cross-chain bridges, and other sectors where effective and verifiable computations are needed.

The forays of Andreessen Horowitz in deep tech research through the Jolt and Lasso projects mirror the firm’s commitment to advancing the blockchain industry. With open-source technologies to solve the issues related to blockchain scalability and security, A16z Crypto paves the way for the next generation of blockchain development.

Read Also: Senator Warren Stresses On AML Compliance For Crypto Validators

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Kelvin Munene Murithi
Kelvin Munene is a crypto and finance journalist with over 5 years of experience, offering in-depth market analysis and expert commentary . With a Bachelor's degree in Journalism and Actuarial Science from Mount Kenya University, Kelvin is known for his meticulous research and strong writing skills, particularly in cryptocurrency, blockchain, and financial markets. His work has been featured across top industry publications such as Coingape, Cryptobasic, MetaNews, Cryptotimes, Coinedition, TheCoinrepublic, Cryptotale, and Analytics Insight among others, where he consistently provides timely updates and insightful content. Kelvin’s focus lies in uncovering emerging trends in the crypto space, delivering factual and data-driven analyses that help readers make informed decisions. His expertise extends across market cycles, technological innovations, and regulatory shifts that shape the crypto landscape. Beyond his professional achievements, Kelvin has a passion for chess, traveling, and exploring new adventures.
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