Potta Vijay Kumar

Web3 and blockchain technologies are reshaping how we build and interact with web applications. While much of the attention goes to backend protocols and decentralized finance (DeFi), front-end developers are increasingly being brought into the spotlight to bridge traditional UX expectations with decentralized logic. What is Web3? Web3 refers to the next evolution of the internet—decentralized, user-controlled, and built on blockchain. Unlike Web2, where centralized servers own your data, Web3 allows users to own, control, and monetize their data using decentralized applications (dApps). Blockchain: The Foundation Blockchains are distributed ledgers that power cryptocurrencies like Ethereum and Bitcoin. However, for front-end developers, their primary relevance lies in interacting with: Smart Contracts (on Ethereum, Polygon, etc.) Wallets (like MetaMask, WalletConnect) dApps (decentralized applications) How Blockchain Impacts Front-End Development New UI/UX Challenges Smart Contrac...

In today’s security-driven software landscape, controlling access to resources is crucial. Two dominant access control models— RBAC and ABAC —help teams manage permissions, but they differ significantly in flexibility, complexity, and use cases. Let’s dive into what sets them apart and when to use each. What is Role-Based Access Control (RBAC)? RBAC assigns permissions to users based on roles they belong to (e.g., Admin, Editor, Viewer). Pros: Simple and easy to manage Scalable for small to mid-sized teams Industry-standard for enterprise apps Cons: Limited flexibility Role explosion in complex systems Example: A user with the "Manager" role can view and edit employee records but cannot delete them. What is Attribute-Based Access Control (ABAC)? ABAC evaluates user attributes , resource attributes, and environmental conditions (e.g., time, location) to determine access. Pros: Highly flexible and fine-grained Context-aware security Better suited for dynamic or multi-tenant ...