Topics of Crypto World

This article explores Fibonacci retracement and extension tools for crypto technical analysis. It explains how these tools identify support and resistance levels, demonstrates their use through Bitcoin trading examples, and discusses their integration with on-chain data and technical indicators. The guide covers practical applications while noting limitations with low-cap tokens.

Investment DAOs are blockchain-based organizations that let members collectively invest in cryptocurrency projects. Members buy governance tokens to vote on investments and participate in fund management. These DAOs improve upon traditional venture capital by offering transparent operations, lower entry barriers, and built-in community support. While they face regulatory and security challenges, organizations like Orange DAO and BitDAO showcase this model's success.

Explore how PayFi builds an on-chain settlement network connecting stablecoin issuers, DeFi protocols, and payment merchants through a modular architecture. This article outlines its core mechanisms, technical framework, and representative application scenarios, analyzing how it enhances on-chain payment efficiency, reduces trading costs, and enables cross-chain liquidation, bridging real-world payments and the crypto ecosystem.