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Sigma Prime

Solutions for a secure & decentralised world
Sigma Prime
Page 1 of 10 Older Posts

Common Vulnerabilities: Oracles and Pricing - Smart Contracts

By Kree Dotcom in Cybersecurity on Wed 07 May 2025

To achieve composability in DeFi, many projects require external sources of truth or price feeds. This article explores the common vulnerabilities in the use of pricing and oracles with real-world examples.

securityblockchain securitysolidity

How to Consolidate your validators with Siren

By Mavrik in Siren on Mon 05 May 2025

Instructional for Siren users that want to consolidate their validators.

lighthouseannouncementsiren

Transitioning from EVM to SVM: Key Concepts for Solana Security Assessments

By Dimaz Wijaya in Security on Tue 22 April 2025

Key concepts to understand the Solana Virtual Machine (SVM).

securitysolanaaccounts

NEAR Smart Contract Auditing: Accounts & Access Control

By Elmedin Burnik in Cybersecurity on Mon 14 April 2025

This article explores how NEAR's unique account system combines human-readable names with multi-tiered permissions, examining the security implications and providing practical guidance for implementing robust access control in smart contracts.

securityrustaccess control

The Pectra Holesky Incident

By Eitan Seri-Levi in Analysis on Tue 08 April 2025

This article analyzes the Pectra upgrade on Holesky that resulted in long non-finality and adverse network conditions. We explore ways the Lighthouse team recovered from non-finality and how current and future optimizations will make the...

lighthouseinformativeholesky

Lighthouse Team on Fulu

By Lighthouse Team in Lighthouse on Wed 02 April 2025

The Lighthouse team's outlook on Fulu EIP inclusion

lighthouseannouncement

Unraveling a Curious Edge Case in EigenLayer's Slashing Accounting

By EllipticPoint in Security on Tue 01 April 2025

Examining an interesting edge case discovered in EigenLayer's beacon chain slashing calculation that affects withdrawable share calculations.

securityinformative

IPv6 in Lighthouse

By Adrian Manning in Lighthouse on Tue 25 February 2025

for IPv6 Support in Ethereum

lighthouseinformative

Lighthouse NAT Configuration

By Adrian Manning in Lighthouse on Mon 10 February 2025

A guide to understanding, configuring and debugging NAT configurations to maximize a Lighthouse client's performance.

Lighthouseinformative

NEAR Smart Contract Auditing: Storage

By Toon Van Hove in Security on Mon 10 February 2025

Introduction In this article, we dive into the storage system of the NEAR blockchain. We'll explore how storage works on NEAR, how to use it securely, and highlight some of the common pitfalls. This is our second post about the NEAR blockchain....

securityinformativenear
Page 1 of 10 Older Posts
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