Latest Blog Posts
Tutorials and updates from the Chroma team.
Testing ERC-20 Token Approvals in DeFi dApps: A Playwright Walkthrough
Learn how to E2E test ERC-20 token approval flows in DeFi dApps using Playwright and real MetaMask interactions — no mocks required.
Testing NFT Mint Flows End-to-End with MetaMask and Playwright
Learn how to test NFT mint flows in EVM dApps using MetaMask and Playwright — connect wallets, confirm transactions, assert results without mocks.
The Hidden Cost of Mocked Wallets: A Practical E2E Strategy for dApps
Learn a pragmatic approach to dApp testing that combines unit, integration, and real wallet E2E coverage so teams can ship with confidence.
The Most Important Web3 Test Is the One Users Cancel
A practical guide to testing wallet rejection and recovery flows in dApps, and why these paths often matter more than happy-path automation.
Test What Users Actually Do: A Practical Reliability Model for Web3 dApps
An educational guide to testing real wallet-driven user flows in Web3, with a practical model teams can apply to reduce regressions and improve release confidence.
Testing the Human Layer in dApps: From Green Pipelines to Real User Trust
Why many Web3 teams still ship broken flows despite passing tests, and how to design end-to-end coverage around real wallet behavior.
Beyond Green Checks: Testing the Wallet Moments That Break dApps
Why many Web3 test suites pass while real users still fail, and how to design end-to-end tests around wallet behavior, rejection paths, and async chain state.
Build dApp Flows That Survive Wallet Rejections
Most blockchain apps test the happy path and miss what users do in real life: cancel prompts, switch accounts, and retry. Learn a practical approach to resilient wallet E2E testing.
Why dApp Tests Pass but User Flows Still Break: The Wallet UX Gap
A practical guide to testing real wallet interactions in Web3, with strategies to reduce flaky releases and catch the failures mocks miss.
From Local Testing to CI Pipelines: Shipping Reliable E2E Tests for Your dApp
A practical guide to taking your Web3 wallet tests from a local dev machine to a fully automated CI pipeline with Playwright and @avalix/chroma.
E2E Testing Your EVM dApp with MetaMask: No Mocks, Just Real Clicks
Run Playwright tests against a real MetaMask extension. Connect, sign, and reject flows covered in CI. No mocks, no manual clicks.