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Catizen, a blockchain-based cat-themed game, was launched in 2024 by David Mak and Ricky Wong. The game was developed to tap into the rapidly growing play-to-earn (P2E) gaming market, which integrates blockchain technology with traditional gaming to offer players real-world value through in-game activities.

End-to-end encryption (E2EE) protects against cyberattacks and unauthorized access by ensuring that communication is secured and privacy is protected for internet users. This article gives insight into end-to-end encryption and how it works.

P2E games have become a kind of significant economic gameplay of GameFi applications. Moreover, it has aroused the great interest of a large number of crypto users. P2E, short for Play to Earn, refers to the mode in which players earn rewards via interaction. Games of this type are divided into two forms: early investment and early experience. Players of some games are required to make an initial investment in Token or NFT to gain profits in the future. In contrast, some games allow players to experience the game free of charge and then require them to invest to earn cryptocurrency.

This article delves into the ENS (Ethereum Name Service) V2 release, which extends domain services to Layer 2 (L2) networks, aiming to reduce transaction fees and improve processing speeds. It explores the new features of ENS V2, including the new hierarchical registry architecture, the introduction of a universal resolver, and support for L2 networks. Additionally, it discusses the migration process to V2 and its potential benefits, such as lower fees, higher speeds, and more flexible domain management.

This article introduces N2 (Niggachain AI Layer 2), the world's first AI-driven Layer 2 blockchain solution. N2 combines AI technology and quantum computing resistance to address the limitations of traditional blockchains in scalability, transaction speed, and cost. Its core technologies include '0-second block time', AI-driven network optimization, and quantum-resistant security protection, aiming to improve transaction efficiency and ensure system stability.

ENS is a well-known domain name service on Ethereum. It announced the V2 version of ENS on its official website: promoting the original domain name service to L2. This article will analyze ENS V2 for everyone through a technical whitepaper.

Two-factor authentication (2FA) serves as an additional layer of defense, demanding users to present two distinct forms of identification before gaining access to systems, accounts, or critical data. In 2025, 2FA has evolved significantly with passwordless authentication becoming standard, unified cross-platform standards like FIDO2, AI-enhanced security layers providing contextual authentication, improved account recovery solutions, and advanced hardware security options including biometric cards and wearables.

E Money Network is committed to addressing the liquidity gap between Web2 and Web3, promoting the integration of the global digital asset market with traditional financial markets. Its core mission is to facilitate the tokenization of RWA, enhance asset liquidity, improve financial transaction transparency, reduce systemic risk, and establish a conflict-free trading environment.

This article suggests that there is a theoretical "glass ceiling" for Layer 2 valuation, as Ethereum L1 ensures the security of L2 activities through its consensus mechanism, theoretically limiting the value of L2 not to exceed L1.

This article explains the importance of objective and comprehensive risk assessment indicators for distinguishing different Layer 2 projects in the field of modular blockchain. Analyze security issues that may be encountered at different stages, explain why L2 projects such as Arbitrum and Optimism can maintain their current state, and discuss how these projects balance flexibility and security.

U2U Network is an innovative Layer-1 blockchain platform that aims to promote the global adoption of the Internet and blockchain through decentralized physical infrastructure network (DePIN). Its modular subnet architecture, Helios consensus protocol, and decentralized VPN (U2DPN) provide the network with high performance, security, and scalability.

This article provides a detailed analysis of Zircuit's technical architecture, including its construction based on the OP Stack Codebase, Sequencer-level security enhancements, Modular Proof systems, and innovations such as AI integration. The article also explores the background of Zircuit's collaboration with Eigenlayer, revealing its differentiated competitive advantages in the Layer 2 space.

This article will discuss why Stargate V2 is necessary, its new features to improve upon V1’s limitations, and how V2 could allow Stargate to maintain its position among the top bridges for years to come.

Notcoin's rapid success has made Tap-to-Earn the latest hot trend in the industry. Tap-to-Earn extends the X-to-Earn narrative at its core, introducing fresh models and gameplay while facing some limitations. This article also highlights a few similar mini-games currently on the market for user reference.

Ethereum's scaling strategy has evolved from sharding and layer 2 protocols to a rollup-centric approach. The current roadmap proposes a division of labor between L1 and L2: L1 serves as a robust foundation layer, while L2 is responsible for ecosystem expansion. Recent achievements include EIP-4844 blobs increasing L1 data bandwidth, and multiple EVM rollups reaching stage 1. Future goals include achieving 100,000+ TPS, maintaining L1 decentralization, ensuring some L2s inherit Ethereum's core properties, and maximizing interoperability between L2s. Key research areas include data availability sampling, data compression, and cross-L2 interoperability.