Holistic Security for DeFi Securing Your Smart Contracts
Secure your code pre-launch and block attacks in real-time. Safeguard both user assets and your reputation.
Find and fix critical issues in your smart contracts before you launch.
Make sure your business logic is sound and free of flaws.
Always monitor mempool and on-chain transactions for suspicious activities.
Receive instant alerts on new threats such as oracle manipulation and flash loan attacks.
Block confirmed exploits in real-time to prevent them from draining funds.
Start on-chain responses, such as pausing contracts, to neutralize active threats.
Understand complex attack vectors to gain actionable intelligence. Help you proactively harden your protocol against emerging threats.
Secure Your Protocol Across Its Entire Lifecycle
“Partnering with BlockSec has been crucial to Tokenlon's mission of preserving the openness of DeFi while leveraging technology to create a safer, more trustworthy space for all. BlockSec's cutting-edge on-chain analytics allow us to identify high-risk addresses across multiple blockchains and navigate complex global regulations with confidence. Their expertise helps us safeguard our liquidity partners and consistently deliver a seamless, reliable DeFi experience for genuine users.”
Deep Dive into HIP-3: A Builder-Centric Perspective
Hyperliquid Improvement Proposal 3 (HIP-3) introduces a fundamental change in how perpetual markets are created and scaled on Hyperliquid. By opening the market listing process to third-party builders, HIP-3 shifts listing from a discretionary, platform-controlled action to a protocol-level, ruled-based interface. This report analyzes HIP-3 from a builder-centric perspective, focusing on how markets are defined and operated, the risks builders face, and how those risks, particularly oracle-related risks, can be mitigated.
In-Depth Analysis: The Truebit Incident
On January 8, 2026, the Truebit Protocol on Ethereum was exploited,, causing over $26 million in losses. This blog offers an in-depth technical analysis of the incident.
Newsletter - December 2025
In December 2025, the DeFi sector encountered three significant security incidents, resulting in total losses of approximately $19.7 million. Yearn Finance faced nearly $10 million in losses due to vulnerabilities in its yETH pool and legacy contracts. Trust Wallet suffered a malicious backdoor attack on its Chrome extension, leading to losses of about $7 million. Ribbon Finance experienced a loss of $2.7 million due to improper access controls.
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