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Sigma Prime

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SolidityRustGoC++MoveCairoNoirEthereumSolanaAptosL1L2Consensus

Sigma Prime is a blockchain security firm known for deep protocol-level audits across L1, L2, Consensus. This profile aggregates its audit record, 6500+ findings and notable clients, so you can evaluate fit before requesting a competitive quote through Procur3.

Last updated: November 2026

Audits
400+
Findings logged
6500+
all severities
Crit + high + med
1617
material findings

Overview

About Sigma Prime

Sigma Prime is a blockchain security firm specialising in smart contract audits and protocol-level security reviews. The team works primarily in Solidity, Rust, Go and C++, covering engagements across Ethereum, Solana, Aptos and related ecosystems. Core areas of expertise include L1, L2, Consensus, DeFi.

With 400+ audits on record, Sigma Prime has worked with notable protocols including AAVE, Chainlink, Protocol Labs, Lido. The firm's review history provides a transparent track record that teams can evaluate before engaging.

Through Procur3, teams can put their scope to Sigma Prime alongside other matched firms and receive a competitive quote without a three-week sales cycle.

Languages
Solidity, Rust, Go, C++, Move, Cairo, Noir
Chains
Ethereum, Solana, Aptos, Sui, Near, Bitcoin
Expertise
L1, L2, Consensus, DeFi, Staking, Bridge, ZK, Infrastructure
Services
Smart Contract Audit, Protocol Security Review, Blockchain Client Development, Fuzzing, Cloud Infrastructure Review

Track record

Findings by severity

Critical, high & medium161724.9%
Low, informational & other~4,88375.1%

Across 400+ audits, Sigma Prime has logged 6500+ findings, of which 1617 were rated critical, high or medium, roughly 25% of the total.

Sigma Prime publishes no low and informational count; that row is the total minus the crit/high/med figure.

Figures are updated periodically and may not include every engagement. Severity labels follow each report's own classification.

Selected work

Notable clients

  • AAVELending
  • ChainlinkOracle
  • Protocol LabsInfrastructure
  • LidoLiquid Staking
  • SushiDEX
  • SwellLiquid Staking

FAQ

Questions about Sigma Prime

Where can I find Sigma Prime's audit reports?

Sigma Prime publishes its audit reports at github.com/sigp/public-audits.

What does Sigma Prime audit?

Sigma Prime lists Smart Contract Audit, Protocol Security Review, Blockchain Client Development, Fuzzing and Cloud Infrastructure Review across Solidity, Rust, Go, C++, Move, Cairo and Noir, and has published work on Ethereum, Solana, Aptos, Sui, Near and Bitcoin.

How much does a Sigma Prime audit cost?

Procur3 doesn't hold published pricing for Sigma Prime. Audit cost depends on scope, code size and the depth of review. See smart contract audit cost 2026 for typical ranges, or get an indicative figure from the audit cost calculator.

How do I get a quote from Sigma Prime?

Post your scope on Procur3 and send it to Sigma Prime as a private request, or open it to every matched firm and compare quotes.

Ready to work with Sigma Prime?

Send your scope to Sigma Prime privately, or open it to every matched firm and compare quotes side by side.

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