# Getting Started

## Introduction

Understand what Circular is, why it exists, and how it works.

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td>Explore Circular’s programmable trust layer for critical industries.</td><td><a href="introduction/introducing-circular">introducing-circular</a></td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FPwy5tsa0TxgGrtB5DcwY%2FIntroducing%20Circular.png?alt=media&#x26;token=efd23509-6d08-48c6-9bdd-aa1d29920e88">Introducing Circular.png</a></td></tr><tr><td>Learn why Circular focuses on healthcare, scientific research, and AI innovation.</td><td><a href="circulars-mission">circulars-mission</a></td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FxLY4fLkmF2K8YCy8qqIf%2FCircular%E2%80%99s%20Mission.png?alt=media&#x26;token=9f5f8d2b-c66a-4f07-8cff-14bcd14e5770">Circular’s Mission.png</a></td></tr><tr><td>Dive deeper into Circular’s architecture and design principles.</td><td><a href="circulars-technology">circulars-technology</a></td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FKP8stmG5LbpoMzrPIqvT%2FCircular&#x27;s%20Technology.png?alt=media&#x26;token=e5f2acdc-41ad-4967-a7c6-5da3dafcf5f8">Circular's Technology.png</a></td></tr><tr><td><strong>Certified Intelligence</strong><br>Ensure AI is built and deployed on verified, traceable data for compliance, safety, and auditability.</td><td><a href="certified-intelligence">certified-intelligence</a></td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FPzbDtMvx36PlAkhKF22p%2FCertified%20Intelligence.png?alt=media&#x26;token=208fcd54-f739-4f6e-8e65-fc5f92f3f906">Certified Intelligence.png</a></td></tr></tbody></table>

## Quick Start Guide

Get up and running with your first integration, wallet connection, or data certification workflow.

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td>Start certifying and anchoring data with a few simple API calls.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2F4b7OgJkY9hMLOEbGPj6g%2FCircular%20Connect%20Course.png?alt=media&#x26;token=3bd93e89-d140-4169-ba56-879eb3a463ad">Circular Connect Course.png</a></td><td><a href="tutorials-and-examples/circular-connect-guide">circular-connect-guide</a></td></tr></tbody></table>

## Developer Tools

Resources to help you build with Circular.

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td>Bulk endpoints, organization features, and integrations for regulated environments.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2Fl0BpJiAvmi1xk4kTBI6c%2FEnterprise%20APIs.png?alt=media&#x26;token=e96f9a00-9d4c-4f94-9ef3-a739b588e661">Enterprise APIs.png</a></td><td><a href="developer-tools/enterprise-apis">enterprise-apis</a></td></tr></tbody></table>

## Industry Use Cases

Explore how Circular transforms compliance-heavy industries with verifiable data, certified AI, and real-time audit trails.

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td>Certify clinical trial data at the point of capture and maintain traceability across all phases.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FEerlovZreaaWyukRenGP%2FClinical%20Trials.png?alt=media&#x26;token=4058f24a-5650-46c5-a0d6-a40473bc5d0f">Clinical Trials.png</a></td><td><a href="industry-use-cases/clinical-trials">clinical-trials</a></td></tr><tr><td>Audit and verify device specs in real time to ensure compliance throughout production.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FvApN97DyiqzJNlXSpI8e%2FMedical%20Devices.png?alt=media&#x26;token=939efcd1-c744-4a89-baff-bfe1ebcdb2ba">Medical Devices.png</a></td><td><a href="industry-use-cases/medical-devices">medical-devices</a></td></tr><tr><td>Deliver secure, certified data infrastructure for reporting, coordination, and oversight.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FQhDlSFcp2EmIzgM5AD88%2FPublic%20Health.png?alt=media&#x26;token=ef166b42-d86e-4dea-819a-1df21ef5bb72">Public Health.png</a></td><td><a href="industry-use-cases/public-health">public-health</a></td></tr><tr><td>Certify and track pharmaceutical products to protect against counterfeits and ensure compliance.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2Fkdf6eRuKxxKpaq4L1rdi%2FPharma%20Supply%20Chains.png?alt=media&#x26;token=a8f084fe-3715-48bb-bd2b-5a6f054a2068">Pharma Supply Chains.png</a></td><td><a href="industry-use-cases/pharma-supply-chains">pharma-supply-chains</a></td></tr><tr><td>Authenticate research outputs with certified timestamps to prove originality &#x26; data integrity.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FiOeSY6BSbmNT9fkChNZt%2FCircular%20Connect%20Course-1.png?alt=media&#x26;token=400e6409-0e5a-4c62-af17-e83071eee4bb">Circular Connect Course-1.png</a></td><td><a href="industry-use-cases/research-and-academia">research-and-academia</a></td></tr></tbody></table>

## Learn the Core Concepts

Build confidence with foundational knowledge from how Circular processes data to how nodes and infrastructure operate under the hood.

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td>How data and value move across Circular. Fast, verifiable, and final.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FHB6wvWwzyEOAU4WCt6UE%2FCertificates.png?alt=media&#x26;token=9981ad0d-e072-4de8-9594-1cba8c3087ff">Certificates.png</a></td><td><a href="core-concepts/certificates">certificates</a></td></tr><tr><td>Manage identity, assets, &#x26; permissions with secure, programmable wallets.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FHHXnV1qGt9s1TcZ1iDPl%2FAccounts.png?alt=media&#x26;token=bc29748b-0e80-4b3a-b9ea-43e41d7d0e5f">Accounts.png</a></td><td><a href="accounts">accounts</a></td></tr><tr><td>Explore Circular’s multi-chain design for modularity and specialization.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FI8T6pOmhiXpHDcxMM9Ns%2FPrivate%20Chains.png?alt=media&#x26;token=737e0841-8ab5-44e6-b225-c4a5e7923f9f">Private Chains.png</a></td><td><a href="private-chains">private-chains</a></td></tr><tr><td>Understand how Circular batches and finalizes data into blocks.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2F5DVWKeF9o2nDDuZazMYT%2FBlocks.png?alt=media&#x26;token=37a85b16-6ddf-46fa-8906-65ee3eb7c344">Blocks.png</a></td><td></td></tr><tr><td>How Circular handles fees: low, predictable, and optimized for scale.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FDURt3wlILERC0F3KWO8V%2FFees.png?alt=media&#x26;token=2b08c93f-4b33-4f3c-88a2-10bdc3b5b3f5">Fees.png</a></td><td><a href="fees">fees</a></td></tr><tr><td>Run, sync, and secure the network with minimal resource requirements.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2Ff3GlU6YcAHQIJMKWrUKr%2FNodes.png?alt=media&#x26;token=d6db28d9-3ded-414c-b1ee-3ec5e94d4ea8">Nodes.png</a></td><td><a href="nodes">nodes</a></td></tr></tbody></table>

## How Circular Works

Understand the key building blocks that power Circular's trustless, modular architecture.

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td>Sybil-resistant consensus based on reputation, not anonymous staking.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2Flt65FbbIAvo29r1nraY0%2FProof%20of%20Reputation.png?alt=media&#x26;token=234d7f20-612e-4429-9b89-009a84d8d39b">Proof of Reputation.png</a></td><td><a href="broken-reference">Broken link</a></td></tr><tr><td>Dedicated chains for specific use cases with fast finality and modular control.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FyqYpbElz2xUeSvNR3Sos%2FCircular%20Multi-Chain.png?alt=media&#x26;token=891149a1-be2c-44e4-bef6-7019dc8d3db8">Circular Multi-Chain.png</a></td><td><a href="broken-reference">Broken link</a></td></tr><tr><td>Scoped wallet logic with time-based access, usage rules, and identity control.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FkL4uhVZQbyNltb7C1Q4N%2FProgrammable%20Wallets.png?alt=media&#x26;token=c5e05eaf-1d9d-4215-a8ae-21642198f27b">Programmable Wallets.png</a></td><td></td></tr><tr><td>Time-locked data with automatic release. No smart contract needed.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FwI7mscTxA94MZyTaT68k%2FVouchers.png?alt=media&#x26;token=d11fb665-27f4-432b-ab32-66b3bafd53fe">Vouchers.png</a></td><td><a href="broken-reference">Broken link</a></td></tr><tr><td>Dynamic sharding by usage, reducing congestion and improving speed.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FiPJFSLx248F8adVM50Jp%2FAuto-Progressive%20Sharding.png?alt=media&#x26;token=3688cced-4b82-4c85-876e-75dfb1223fe0">Auto-Progressive Sharding.png</a></td><td><a href="broken-reference">Broken link</a></td></tr><tr><td>Entry points that route transactions and balance load across the network.</td><td><a href="https://1656609669-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FObeFAtunEGRv1vQWdTLi%2Fuploads%2FpyaaVcD6AP0ITruIvaRT%2FNetwork%20Access%20Gateways%20(NAGs).png?alt=media&#x26;token=9912845f-b9bb-489f-82a3-283755533463">Network Access Gateways (NAGs).png</a></td><td><a href="broken-reference">Broken link</a></td></tr></tbody></table>