BlockSec

BlockSec provides end-to-end Web3 security and compliance solutions, offering smart contract audits, real-time threat monitoring, and crypto AML compliance across three integrated product suites. The company's compliance platform includes Phalcon Compliance for wallet screening and KYT (Know Your Transaction), Phalcon Network as a public intelligence network for illicit funds, and MetaSleuth for tracing cross-chain fund flows and building investigation evidence. The compliance suite offers intelligent and instant KYA (Know Your Address) and KYT capabilities, screening counterparties, tracing unlimited-hop fund flows, monitoring transactions in real time, and generating audit-ready STR (Suspicious Transaction Reports) in seconds. BlockSec's security audit services cover smart contracts, wallets, and blockchain infrastructure across major chains and languages, featuring multi-auditor cross-review with actionable remediation guidance, architecture and threat modeling, and in-house differential testing and customized fuzzing tooling. The security monitoring platform includes Phalcon Security for detecting threats by scanning the mempool and scrutinizing over 200 hacking signals, with automatic response actions that place transactions ahead of attackers to block hacks before execution. The platform also includes Safe Wallet Monitor for translating complex transactions into human-readable insights and simulating outcomes, STOP for L2 Chains for screening transactions at sequencer level in milliseconds, and Phalcon Explorer for visualizing and debugging on-chain transactions. BlockSec is trusted by over 500 clients including Coinbase, Crypto.com, Bybit, OKX, Uniswap, Compound, and PancakeSwap, and is trusted by regulators in over 50 countries.