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.”
Tether Freezes $6.76M USDT Linked to Iran's IRGC & Houthi Forces: Why On-Chain Compliance is Now a Geopolitical Battlefield
Looking ahead, targeted freezing events like this $6.76M USDT action will only become more common. On-chain data analysis is improving. Stablecoin issuers are also working closely with regulators. As a result, hidden illicit financial networks will be exposed.
Weekly Web3 Security Incident Roundup | Mar 2 – Mar 8, 2026
During the week of March 2 to March 8, 2026, seven blockchain security incidents were reported with total losses of ~$3.25M. The incidents occurred across Base, BNB Chain, and Ethereum, exposing critical vulnerabilities in smart contract business logic, token deflationary mechanics, and asset price manipulation. The primary causes included a double-minting logic flaw during full token deposits that allowed an attacker to exponentially inflate their balances through repeated burn-and-mint cycles, a price manipulation vulnerability in an AMM-based lending market where artificially inflated vault shares created divergent price anchors to incorrectly force healthy positions into liquidation, and a flawed access control implementation relying on trivially spoofed contract interfaces that enabled attackers to bypass authorization to batch-mint and dump arbitrary tokens.
Weekly Web3 Security Incident Roundup | Feb 23 – Mar 1, 2026
During the week of February 23 to March 1, 2026, seven blockchain security incidents were reported with total losses of ~$13M. The incidents affected multiple protocols, exposing critical weaknesses in oracle design/configuration, cryptographic verification, and core business logic. The primary drivers included oracle manipulation/misconfiguration that led to the largest loss at YieldBloxDAO (~$10M), a crypto-proof verification flaw that enabled the FOOMCASH (~$2.26M) exploit, and additional token design and logic errors impacting Ploutos, LAXO, STO, HedgePay, and an unknown contract, underscoring the need for rigorous audits and continuous monitoring across all protocol layers.
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