blog.developerdao.comx402 Deep Dive: A Payment Standard for the Internetx402 is a new payment standard that enables micro payments on the web by leveraging blockchain technology. It leverages the existing 402 Payment Required status code to require payment before serving a response and uses crypto-native payments for spe...Oct 30, 2025·7 min read
blog.developerdao.comAn Introduction to Blockchain RPC NodesA blockchain is a peer-to-peer (P2P) network of nodes that maintains a shared ledger. Every node communicates with other nodes in the network using specialized P2P protocols to verify blocks, transactions, store state, etc. When you’re building an ap...Oct 21, 2025·5 min read
blog.developerdao.comWorking With Solana Tokens Using Native RustTokens represent money-like assets, utility (such as governance or access), rewards and points, game items, tickets, and more. Most tokens on Solana follow the SPL token standard or Token-2022 with extensions, which define how tokens are created, tra...Oct 21, 2025·9 min read
openreplay.hashnode.devHow to Setup CodeGPT in Visual Studio CodeCodeGPT is a Visual Studio code extension that allows you to use the GPT-3 (Generative Pre-trained Transformer) model through the official OpenAI API to generate, explain, refactor, and document code snippets in various programming languages. CodeGPT...Apr 28, 2023·6 min read
davidekete.hashnode.devUnderstanding Data Transfer Objects (DTO) and Data Validation in TypeScript (NestJS).Data Transfer Objects (DTOs) are the basis of data validation in NestJS applications. DTOs enable various layers of flexible data validation in NestJS. In this publication, you will take a deep dive into data transfer objects, discussing validation ...May 16, 2022·10 min read