A strongly typed programming language that builds on JavaScript, giving you better tooling at any scale.
A high-level, just-in-time compiled, object-oriented programming language.
A JavaScript runtime built on Chrome's V8 JavaScript engine, designed to build scalable network applications.
A powerful, open-source object-relational database system with a strong reputation for reliability, feature robustness, and performance.
A blockchain protocol designed for high performance and scalability, supporting decentralized applications.
A query language for your API, and a server-side runtime for executing queries by using a type system you define for your data.
A React framework for production, providing hybrid static & server rendering, TypeScript support, smart bundling, route pre-fetching, and more.
A free and open-source content management system (CMS) based on PHP and MySQL.
A decentralized platform that enables developers to build and deploy smart contracts and decentralized applications using the Ethereum Virtual Machine (EVM).
Non-Fungible Tokens, unique digital assets that represent ownership of a specific item or piece of content.
An AI research and deployment company, known for developing advanced AI models and technologies.
Powerful asynchronous state management for fetching, caching, and updating data in React applications.
Software Development Kits for integrating AI capabilities into applications.
A general-purpose programming language created as an extension of the C programming language.
A library for interacting with the Ethereum blockchain and its ecosystem.
A cloud computing execution model where the cloud provider dynamically manages the allocation of machine resources.
A contract-oriented programming language for writing smart contracts on Ethereum.
TypeScript-first schema validation with static type inference.
A blockchain development platform that provides infrastructure and tools for building decentralized applications.
Technologies and methods for recognizing individuals based on physical or behavioral characteristics.
A document database with the scalability and flexibility that you want with the querying and indexing that you need.
A web application framework written in Ruby, designed to make programming web applications easier.
An open source Firebase alternative providing all the backend features you need to build a product.
A library for interacting with Ethereum and other EVM-compatible blockchains.
A collection of React hooks for Ethereum.
Software applications that enable users to create, manage, and modify content on websites without specialized technical knowledge.
A publish-subscribe messaging system based on the Bayeux protocol.
A blazing fast, portable, and modular toolkit for Ethereum application development.
A development environment for Ethereum software, providing tools for building and testing smart contracts.
A platform for creating, managing, and distributing NFTs, providing tools and infrastructure for NFT development.
A tool for indexing and querying blockchain data.
An open-source, in-memory data structure store used as a database, cache, and message broker.
A library for reactive programming using Observables, to make it easier to compose asynchronous or callback-based code.
A technology company that builds economic infrastructure for the internet.
A starter kit for building modern web applications with TanStack libraries.
A developer-first open source background jobs framework for TypeScript.
A cloud communications platform for building SMS, Voice & Messaging applications on an API.
A web standard for passwordless authentication using public key cryptography.
A headless CMS that offers a flexible content management solution for modern websites and applications.
January 13, 2026
Commerce is shifting from websites to agent‑native workflows, as protocols like UCP, A2A, AP2, and x402 turn shopping into an executable layer inside AI surfaces.
January 11, 2026
AI UX is shifting from chat to high‑agency agents, where intelligence, workflows, and interfaces turn AI from a feature into foundation.
November 15, 2025
We're entering a new phase of adoption where AI, stablecoins, tokenization, wallet infrastructure, and DeFi are no longer fringe—they're foundational.
November 13, 2025
From decentralized computing to agentic finance—how AI and Web3 are reshaping data ownership, financial infrastructure, and the future of intelligent systems
October 15, 2025
How intent-based architecture is solving the multichain coordination problem—and why solver networks are the new primitive
How stablecoins are becoming foundational financial infrastructure and digital money rails
October 1, 2025
A technical analysis of how Expo enhances React Native development with OTA updates, cloud builds, and cross-platform code sharing based on production experience.
September 30, 2025
A deep dive into how AI agents are becoming autonomous financial actors with the ability to transact, execute, and move capital
September 8, 2025
The Decade of Web3 Infrastructure We Should Be Building On
June 15, 2025
How prompt injection attacks exploit large language models and strategies to defend your AI applications
June 8, 2025
Exploring the Model Context Protocol (MCP) for standardizing AI model interactions using TypeScript
June 2, 2025
TypeScript implementations of Retrieval-Augmented Generation (RAG) systems for integrating external knowledge with language models
May 16, 2025
Strategies for building robust WebSocket backends with session affinity, TLS encryption, proper authentication, and inter-node communication for high-availability environments
May 15, 2025
Ethereum token standards. ERC-20, ERC-1155, ERC-6909, and ERC-7281
May 14, 2025
DeFi risks including impermanent loss, smart contract exploits, rug pulls, and real-world examples
May 12, 2025
Automated market makers, liquidity pools, and yield farming strategies across major blockchains
May 10, 2025
Analysis of order books and AMMs, exploring their fundamental mechanics, real-world implementations, and innovative hybrid solutions reshaping decentralized trading
March 25, 2025
Exploring the role of a product engineer
March 20, 2025
An exploration of how USDT0 and LayerZero's OFT standard are revolutionizing cross-chain stablecoin transfers with improved security and unified liquidity
March 17, 2025
Bitcoin DeFi evolves with EVM, unlocking new financial possibilities.
March 2, 2025
How Bitcoin Runes is transforming tokenization with scalability and real adoption
February 25, 2025
Engineering principles for building scalable and maintainable systems
January 19, 2025
Best Practices for Math in JS & DeFi
January 17, 2025
Why useMemo and useCallback hooks are becoming obsolete in modern React applications
November 25, 2024
Modular Design for a Compounding Effect
October 1, 2024
Building scalable Web3 apps with Next.js
August 15, 2024
FullStack EVM Project Starter with 0x and Codex integration
July 20, 2024
How Architecture Decision Records improve communication and efficiency in software teams
A comparative analysis of Ethers.js and Viem/Wagmi in Ethereum development
July 7, 2024
The convergence that will reshape our digital landscape
September 5, 2023
Async Patterns for maintaining a clear separation between core logic and presentation.
January 29, 2023
An opinioned list of React coding conventions.
January 19, 2020
Generate TypeScript from a GraphQL schema with Codegen
February 15, 2019
Recap of the First International Blockchain and Cryptocurrency Conference in Costa Rica.
January 1, 2019
On February 2nd, the first international blockchain and cryptocurrency conference in Costa Rica will be held in San José.
August 8, 2018
Tips for improving your GitHub workflow in software development.
July 20, 2018
BlockchainCR is excited to introduce "Costa Rica's Crypto Cantina."
June 3, 2018
The Blockchain ecosystem in Costa Rica, BlockchainCR, and the Costa Rican Blockchain Association.
June 7, 2016
JavaScript and Node.js through in-person workshops
May 30, 2016
At Costa Rica JS this time we broke the mold a bit and went to Under Fire Paintball territory.
October 3, 2015
When designing an API, there are important decisions that have a great impact on the way other applications will interact with the service...
July 18, 2015
When working on multiple Node.js projects it is important to configure your development environment to automatically switch to right node version for a particular project.
July 10, 2015
Continuous delivery is practice in software development in which development teams work in a way that allows companies to update their systems at any point in time or continuously through automated processes, the system's code base is always deployable and tested.
September 15, 2014
Understanding mocks, stubs, and spies in unit testing
September 1, 2014
Getting started with unit testing in JavaScript
August 15, 2014
Setting up HTTPS and SSL certificates for Node.js development
April 15, 2014
Getting started with Gulp.js build system
January 15, 2014
The software development ecosystem in Costa Rica
September 1, 2013
A guide to choosing the right database for your web application
August 1, 2013
Data Visualization meetup in Costa Rica
December 22, 2012
Simply the best Javascript podcast out there.