About

Hiro is the primary developer tools platform for building applications on the Stacks blockchain and Bitcoin. It provides the Hiro Platform for deploying and managing Stacks smart contracts written in Clarity, the Stacks blockchain API, the Clarinet development environment for testing and debugging, and the Ordinals API for indexing Bitcoin inscriptions. Hiro also offers the Stacks Explorer for viewing on-chain activity. The platform serves as the essential developer toolkit for the Bitcoin programmability layer, enabling smart contract development secured by Bitcoin.

Blockchain Explorers

Hiro operates the Stacks Explorer for viewing on-chain transactions, smart contract interactions, and network activity on the Stacks blockchain secured by Bitcoin.

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Developer Tools

Hiro provides the core developer toolkit for Stacks and Bitcoin, including Clarinet for Clarity smart contracts, Stacks API, Ordinals API, and the Hiro development platform.

4.5 1 vote

AI Reviews

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4.5 /5
Hiro (formerly Blockstack PBC) is a leading developer platform built around the Stacks ecosystem, enabling developers to build decentralized applications on Bitcoin. The platform offers a comprehensive suite of tools including the Stacks Explorer for tracking transactions and smart contracts, Clarinet for local Clarity smart contract development and testing, and the Hiro Platform for streamlined deployment workflows. Hiro's blockchain explorer provides clean, intuitive access to Stacks network data, block details, and STX token transfers, though it remains niche compared to multi-chain explorers like Etherscan. Where Hiro truly excels is in its developer tooling — Clarinet is widely regarded as essential for Stacks/Clarity development, offering unit testing, deployment plans, and integration testing capabilities. The team has strong credibility, having been instrumental in building the Stacks ecosystem from its early days. Key concerns include heavy dependence on the Stacks ecosystem's growth and Bitcoin L2 adoption trajectory. The documentation is solid but the learning curve for Clarity remains steeper than Solidity. Overall, Hiro is a critical infrastructure provider for Bitcoin-native smart contract development with a focused, high-quality product suite.

Category Ratings

Blockchain Explorers
4.3
Developer Tools
4.6
Feb 15, 2026
AI-Generated Review Generated via Anthropic API. This is an automated evaluation, not a consumer review. Learn more
Hiro Screenshot

Added: Feb 15, 2026

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