BlockSec Phalcon detects blockchain attacks and sends alerts to protocols, liquidity providers, traders, chains, and exchanges.

blocksec.com/phalcon/security
BlockSec Phalcon homepage screenshot

About BlockSec Phalcon

BlockSec Phalcon is a web platform that monitors blockchain transactions for signs of attacks. It is aimed at protocols, liquidity providers and traders, L1 and L2 chains, and exchanges. It sends alerts about attack transactions and can initiate automated responses that try to stop an attack before it executes.

The homepage describes early detection at the mempool stage, checks against more than 200 typical hacking characteristics, and risk identification across operational, interaction, financial, and multi-sig wallet (Safe{Wallet}) categories. Monitors can be created automatically, imported from addresses by protocol or CSV, built from templates, or customized with rules. The homepage also cites figures for detection rate, false positives, and funds saved. These are vendor-reported and are not verified in this entry. Pricing is not stated on the homepage.

Key features

  • Scans transactions at the mempool stage to detect attacks early
  • Checks transactions against more than 200 typical hacking characteristics
  • Identifies operational, interaction, financial, and multi-sig wallet risks
  • Initiates automated response actions against detected attacks
  • Places a transaction ahead of an attack transaction to block its execution
  • Generates monitors from imported addresses, or from templates with custom rules
Best for: Blockchain protocol teams, liquidity providers, L1 and L2 chains, and exchanges that want attack monitoring with automated response.
Good for
  • Scans transactions before execution, at the mempool stage
  • Supports trigger modes for both EOA and multi-sig wallets
  • Can generate monitors automatically from imported addresses
Watch out for
  • Pricing is not stated on the homepage
  • The homepage's use cases focus on protocols and L1/L2 chains, and do not describe individual trader use

BlockSec Phalcon at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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BlockSec Phalcon FAQ

How are monitors set up?
Addresses can be imported by protocol or CSV, and the system generates monitors based on the risks associated with those addresses. Monitors can also be created from templates, and rules can be customized, combined, and adjusted for complex scenarios.
Which wallet types are supported for triggering responses?
The homepage states that the platform offers trigger modes that support both EOA and multi-sig wallets.
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