Jun 25, 2025 · 7 min read · I already know why you are here, so let’s skip the polite intro and jump right into this. But first, some background on why we even need these layers. Layer 2s (L2s) are incredibly fast at processing transactions, but there's a gap between when somet...
Join discussion
Apr 9, 2025 · 2 min read · April 09, 2025 Welcome to Day 5 of my week-long Burp Suite deep dive! Today, I explored the Sequencer tab, a tool designed to test the randomness of session tokens—critical for preventing session hijacking. Using my custom VulnHub app (a vulnerable F...
Join discussion
Jan 8, 2025 · 5 min read · In the world of blockchain technology, Layer 2 (L2) solutions are becoming increasingly popular for scaling decentralized applications (dApps). One of the core components of an L2 system is the sequencer. In this blog we try to explore the role of se...
Join discussion
Aug 25, 2024 · 3 min read · Introduction Blockchain technology has revolutionized various industries, but scalability remains a significant challenge. As the number of transactions increases, the network's capacity can become overwhelmed, leading to congestion and increased tra...
Join discussion
Jun 19, 2024 · 9 min read · A sequencer is the most vital component in Layer2/Layer3 rollups as it is responsible for transaction ordering– the whole process of collecting transactions, batching them from Layer2 mempool, and then submitting them on the Layer1 chain, e.g., Ether...
Join discussionJun 14, 2024 · 5 min read · Layer 2 network’s quest for scalability and cost-effectiveness has led to the wide adoption of the centralized sequencing approach. However, as we know, centralization leads to many on-chain vulnerabilities, including the most common issue of the sin...
Join discussionJun 13, 2024 · 5 min read · When considering the modularity in rollups, it is important to highlight the integral role of sequencers, especially decentralized ones. If you’ve read our previous article on Cero, you must now have a firm understanding of how a hybrid decentralized...
Join discussionJan 20, 2024 · 2 min read · What is Arbitrum Technology? Arbitrum is a set of tech tools that help make Ethereum work better. Ethereum, the blockchain it enhances, has some issues when a lot of people use it at the same time (high network congestion). Normally, Ethereum can onl...
Join discussionJan 12, 2024 · 1 min read · This is an Artbitrum node that is fully used for transaction records, in which user transactions are recorded based on the order of the transaction in which they come before they are executed according, and submitted to layer1. Transactions are bundl...
Join discussion