> For the complete documentation index, see [llms.txt](https://docs.entangle.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.entangle.fi/entangle-interoperable-blockchain/overview.md).

# Overview

EIB is at the core of Entangle's ecosystem. Built on the Cosmos SDK and powered by the Ethermint framework, this highly customised Layer-1 blockchain is designed to function as a central hub, coordinating cross-chain message processing and transaction validation across networks. It employs Merkle tree structures for efficient and secure data storage and retrieval, ensuring data integrity and optimizing storage for high-volume cross-chain applications.

## Explore

<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>Architecture</td><td><a href="/entangle-interoperable-blockchain/architecture.md">Architecture</a></td><td><a href="https://4040807501-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5AajewgFWO9EkufRORqL%2Fuploads%2FdDqoxoX47cx0lLHOwGRi%2FArhitecture.png?alt=media&amp;token=c482fb86-7fcc-451b-9fc9-846837e676af">Arhitecture.png</a></td></tr><tr><td>Developer Guides</td><td><a href="broken://pages/syt9RPFvxvhP6JrquFjW">Broken link</a></td><td><a href="https://4040807501-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5AajewgFWO9EkufRORqL%2Fuploads%2FZu23rNH2hiipQX5f6kpw%2FCode%20Review%20Reporter.png?alt=media&amp;token=93e7b7be-9ba0-4410-abe4-ff629ea65926">Code Review Reporter.png</a></td></tr><tr><td>Frequently Asked Questions</td><td><a href="/more/faq.md">FAQ</a></td><td><a href="https://4040807501-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5AajewgFWO9EkufRORqL%2Fuploads%2FWhD3OfXU0q0AbKF5THh4%2F25.png?alt=media&amp;token=091c6862-1a6c-4bb9-9c9c-d41a3290abc2">25.png</a></td></tr></tbody></table>