Manta Network and Blocksec Unveil Sequencer Threat Overwatch Program (STOP)

Manta Network and Blocksec Unveil Sequencer Threat Overwatch Program (STOP)

Manta Network and Blocksec Unveil Sequencer Threat Overwatch Program (STOP)

In a significant move to bolster blockchain security, Manta Network and Blocksec have announced the Sequencer Threat Overwatch Program (STOP). This initiative aims to enhance the security of Layer 2 (L2) solutions by providing robust protection at the sequencer level. According to Manta Network, this collaboration promises to set new standards in the blockchain security landscape.

What is a Sequencer?

A sequencer in blockchain technology, especially in L2 solutions, is a critical component responsible for managing the order and execution of transactions. It collects, validates, and orders transactions before submitting them to the Layer 1 (L1) blockchain, such as Ethereum. This process enhances the efficiency and integrity of the blockchain network.

Importance of Sequencers in L2 Solutions

Sequencers play a pivotal role in improving transaction throughput and user experience in L2 solutions. By processing transactions off-chain and committing results to the L1 blockchain, sequencers can handle a large number of transactions simultaneously, reducing costs and increasing efficiency. This capability is essential for high-demand applications like decentralized finance (DeFi) platforms, gaming, and supply chain management.

Introduction to Sequencer Threat Overwatch Program (STOP)

The STOP initiative integrates advanced threat detection and prevention mechanisms to secure the sequencer level in L2 solutions. It leverages Blocksec’s Phalcon, the world’s first attack monitoring and blocking platform, to ensure comprehensive security.

STOP’s Architecture

STOP incorporates Phalcon’s attack detection engine, which screens every L2 transaction before it is included in the L2 chain. Malicious transactions are quarantined for further inspection, ensuring only legitimate transactions proceed. This process enhances security without additional cost to users and protocols.

Deep Dive into BlockSec Phalcon

Phalcon, developed by BlockSec, is renowned for its advanced security solutions in the blockchain space. It has successfully thwarted over 20 crypto attacks, saving more than $20 million worth of assets. Phalcon’s threat inspection service analyzes each block and transaction for potential threats, using advanced algorithms and machine learning to identify and mitigate risks.

Breakthroughs of Phalcon-Empowered STOP

Phalcon’s attack detection engine is highly accurate, with a false positive rate of less than 0.0001%. It quarantines suspicious transactions at the sequencer level, preventing attacks from causing damage. This built-in security at the chain level avoids significant costs and time associated with building or procuring monitoring platforms.


DeFiRanger, a key component of Phalcon’s security offering, detects and prevents price manipulation attacks in DeFi applications. It bridges the gap between low-level transaction data and high-level DeFi actions, enabling precise detection of complex security incidents.


The Sequencer Threat Overwatch Program (STOP) represents a significant advancement in the security of L2 solutions. By combining the strengths of Manta Network and Phalcon, STOP ensures the integrity, transparency, and performance of blockchain transactions. This initiative sets a new standard for future developments in the blockchain ecosystem, fostering greater trust and adoption among users and developers alike.

About Manta Network

Manta Network is a modular blockchain for zero-knowledge (ZK) applications. Manta Pacific, its modular L2 ecosystem, offers a low-cost and efficient environment for ZK-enabled applications. Manta Network has received investments from top web3 investment funds and has grown through participation in leading web3 accelerators.

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