Tax compliance is key to an economy, but most countries struggle with complex tax environments due to a multitude of stakeholders and labyrinthine policy evolution. To promote compliance, tax authorities must make their services easy to use, equitable, transparent, and consistently enforced. India’s Income Tax Department decided to use a blockchain-based solution to improve its tax processes. Its experience envisioning and building solutions for all stakeholders provides valuable lessons to CIOs who are considering using distributed ledger technology (DLT).