Protect your exchange at every level: Vet new listings, monitor core assets, and ensure global compliance.
Secure Exchange Operations and User Assets
“We are big fans of BlockSec and have been deeply involved from the inception of BlockSec to the use of each of its products. Phalcon is a very good security tool, to help Bybit achieve on-chain tracking and web3 contract security monitoring. We will have more cooperation with BlockSec in the future.”
How BlockSec’s Payment Security Solution Helps Institutions Stay Secure in the AI Era
Discover how BlockSec helps payment institutions protect funds, secure data, and strengthen resilience through security assessments, testing, and continuous monitoring.
NEAR Intents Exploit: Refund Flaw and Security Lessons
The NEAR Intents exploit used oversized refund events to preserve internal balances after the deposited assets were returned. This analysis reconstructs the receipt flow and seven BNB Chain withdrawals totaling 3,865,021 USDT, distinguishes those outflows from the project's reported full recovery, and outlines security considerations for developing and auditing NEAR smart contracts.
~$5.57M Lost: X100 Freezer, NEM Exploits | BlockSec Weekly
This weekly report covers two security incidents on Ethereum and BNB Chain from October 19 to October 25, 2026. It examines a flash-loan-funded governance takeover of X100 Freezer and a tax-settlement flaw affecting a NEM token liquidity pool on BNB Chain. Estimated losses within the report's scope total approximately $5.57M: ~$4.75M from the representative X100 transaction and ~$820K from the NEM pool incident. The total excludes separately reported follow-on X100 extractions.
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