December 2025

  • Blend Auto Compounding Vault

    Blend Auto Compounding Vault

    Blend is a over-collateralized lending protocol on Stellar. In this tutorial I’m going to show you how I built a auto-compounding vault on top of the Blend smart contracts. James On YouTube Watch On YouTube: https://youtu.be/1BAaz49M4yQ | Subscribe All the code is open-source and available on Github: https://github.com/jamesbachini/Blend-Vault There is a live demo here (on…

  • Selective Disclosure KYC Using BLS Signatures On Stellar

    Selective Disclosure KYC Using BLS Signatures On Stellar

    Identity verification presents a fundamental tension in modern web3 applications. Services need to verify user attributes like age, residency, or accreditation status, yet users reasonably expect privacy regarding their personal information. Traditional Know Your Customer (KYC) systems resolve this by creating centralized honeypots of sensitive data that become attractive targets for attackers and raise legitimate…

  • Web3 Book Summary – Alex Tapscott

    Web3 Book Summary – Alex Tapscott

    In Web3 Alex Tapscott presents a sweeping and persuasive thesis: Web3-powered by blockchain, digital assets, decentralized networks, and token based economies is the next phase of the internet, representing a transformative shift from value extraction to value creation, from user surveillance to user sovereignty, and from centralized control to decentralized collaboration. Tapscott argues that Web3…

  • Solang | Writing Solidity Contracts For Stellar

    Solang | Writing Solidity Contracts For Stellar

    Solidity developers now have a new doorway into the Stellar universe. The Solang compiler suite offers Solidity across the border into Soroban’s Wasm-powered smart-contract landscape. This tutorial distills everything you need to know right now: what Solang supports, how it differs from traditional EVM Solidity, and how you can write, compile, and deploy your first…

  • WTF is LangChain?

    WTF is LangChain?

    If you’re a developer exploring the world of large language models, you’ve likely encountered challenges integrating them into complex, real world applications. These models are powerful, but building an application that needs to, say, look up information, perform calculations, or access external APIs based on a user’s natural language request isn’t straightforward. This is where…

  • The Sovereign Individual Summary

    The Sovereign Individual Summary

    The Sovereign Individual presents a sweeping historical and futurist analysis of how the information age will dismantle the traditional power structures of the industrial age, particularly the centralized nation state, and give rise to empowered individuals operating with autonomy across decentralized, digital, and global systems. Written in 1997, the book forecasts a radical transformation in…