IAMUVIN

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Blog

Technical writing on Web3, AI, and building things. Written by Uvin Vindula.

130 articles · 21 in Web3 Development

Web3 Development10 min
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Web3 Development Cost: How Much Does It Really Cost in 2026

Honest breakdown of Web3 development costs in 2026. From smart contracts to full-stack dApps, DeFi protocols to NFT platforms — real dollar ranges from a developer who builds them.

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Uvin Vindula·November 4, 2024
Web3 Development11 min
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The Graph Protocol: Indexing Blockchain Data for dApps

A practical guide to indexing on-chain data with The Graph Protocol — from subgraph definition and schema design to event handlers, deployment on Subgraph Studio, and querying with GraphQL. Covers hosted vs decentralized network, performance optimization, and real patterns from production DeFi and NFT indexing.

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Uvin Vindula·June 17, 2024
Web3 Development10 min
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ERC-721A: Gas-Efficient NFT Minting at Scale

A deep dive into ERC-721A — the gas-optimized NFT standard that makes batch minting dramatically cheaper than standard ERC-721. Real gas benchmarks, implementation guide with Merkle tree whitelists, delayed reveal mechanics, and common pitfalls from production drops I have shipped.

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Uvin Vindula·June 10, 2024
Web3 Development14 min
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Building a Decentralized Exchange (DEX) with Solidity

A complete guide to building a Uniswap V2 style automated market maker (AMM) DEX from scratch — factory, pair, and router contracts in Solidity. Covers constant product formula, liquidity provision, swap execution, fee collection, slippage protection, and comprehensive Foundry testing. Security-first approach based on real DeFi client work.

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Uvin Vindula·June 3, 2024
Web3 Development10 min
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Token Vesting Contracts: Implementation Guide

A complete guide to building token vesting contracts in Solidity — cliff vesting, linear vesting, multi-beneficiary schedules, and revocable vs irrevocable designs. Covers OpenZeppelin VestingWallet, custom extensions, Foundry testing, and frontend integration with wagmi. Based on real token launch work.

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Uvin Vindula·May 20, 2024
Web3 Development11 min
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How to Build a Multi-Sig Wallet Smart Contract

A complete guide to building a production-grade multi-signature wallet smart contract in Solidity — from architecture and approval flows to execution logic and owner management. Includes a full working contract, Foundry test scenarios, and honest guidance on when to use Gnosis Safe instead of rolling your own.

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Uvin Vindula·May 13, 2024
Web3 Development10 min
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wagmi and viem: The Modern Web3 Frontend Stack

A hands-on guide to building Web3 frontends with wagmi and viem — why I switched from ethers.js, how to set up wallet connections with RainbowKit, read and write contract data with full type safety, handle multi-chain configurations, and the real patterns I use on every client dApp. Based on production projects shipping on Ethereum, Arbitrum, Base, and Optimism.

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Uvin Vindula·May 6, 2024
Web3 Development11 min
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Upgradeable Smart Contracts: Proxy Patterns Explained

A deep dive into upgradeable smart contract patterns — Transparent Proxy, UUPS, and Beacon Proxy — with real Solidity code, storage layout rules, and honest guidance on when upgradeability adds risk instead of value. Based on production deployments for clients who need post-deployment flexibility.

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Uvin Vindula·April 22, 2024
Web3 Development13 min
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Building a Staking Protocol with Reward Distribution

A complete guide to building a gas-efficient staking protocol with reward distribution using the reward index pattern. Covers Solidity implementation, compound staking, multi-token rewards, security considerations, and Foundry testing — based on real DeFi client work.

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Uvin Vindula·April 15, 2024
Web3 Development12 min
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The Complete Guide to OpenZeppelin Contracts

OpenZeppelin Contracts is the library I install before writing a single line of Solidity. This guide covers every contract family I use in production: ERC-20, ERC-721, ERC-1155 token standards, AccessControl for role-based permissions, ReentrancyGuard for security, Governor for on-chain governance, and the UUPS proxy pattern for upgradeability. You will learn how to extend OpenZeppelin contracts properly, when to override versus compose, and the exact patterns I follow across mainnet deployments on Ethereum, Arbitrum, and Base. Practical Solidity code, no theory padding.

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Uvin Vindula·April 8, 2024
Web3 Development10 min
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Web3 Authentication: Wallet-Based Login for Modern Apps

A practical guide to implementing wallet-based authentication using wagmi, RainbowKit, and Sign-In with Ethereum (SIWE). Covers session management, backend verification, multi-chain support, and the UX patterns that actually get users through the login flow without confusion.

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Uvin Vindula·April 1, 2024
Web3 Development11 min
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Understanding Ethereum Virtual Machine: A Developer's Guide

A developer's deep dive into the Ethereum Virtual Machine — how bytecode executes, stack-based computation works, gas metering prices every operation, and storage layout affects your contract costs. Written from hands-on Solidity experience, not textbook theory.

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Uvin Vindula·March 25, 2024