# Learn Chromia: docs, courses and reference > Every official Chromia doc, course and reference in seven steps: what Chromia is, Rell, your first dapp, FT4, deploy, run a node, AI agents. Source: https://chromia.com/learn/ Learn Chromia · docs and courses # Go from zero to a working dapp. One map of everything Chromia publishes for developers: the docs, the courses and the reference. Real code. Free. [Start the path](https://chromia.com/learn/web3-for-web2-devs/) [See all seven steps](#paths) **25** courses & guides**222** lessonsNo sign-up needed ## Seven steps, start to finish Each step links to the official docs on docs.chromia.com and to the matching hands-on course here. Links marked ↗ open the official page. [**01** What is Chromia](#p-what-is-chromia)[**02** Rell basics](#p-rell-basics)[**03** Build your first dapp](#p-build-your-first-dapp)[**04** Accounts and tokens (FT4)](#p-accounts-and-tokens-ft)[**05** Deploy and hosting](#p-deploy-and-hosting)[**06** Run a node](#p-run-a-node)[**07** AI agents and data](#p-ai-agents-and-data) 1. 01 ### What is Chromia The idea, the architecture and the words you will meet. Read the docs * [Overview](https://docs.chromia.com/get-started/about/) * [Architecture in brief](https://docs.chromia.com/get-started/about/architecture-summary/) * [Benefits](https://docs.chromia.com/get-started/about/benefits/) * [Chromia vs EVM](https://docs.chromia.com/get-started/about/chromia-vs-evm/) * [Protocols in brief](https://docs.chromia.com/get-started/about/protocols-summary/) * [Glossary](https://docs.chromia.com/reference/terminology/) * [Whitepaper](https://chromia.com/whitepaper) Do it hands-on * [Web3 essentials for Web2 developers](https://chromia.com/learn/web3-for-web2-devs/) * [Chromia versus other platforms](https://chromia.com/learn/chromia-comparisons/) * [How it works (this site)](https://chromia.com/how-it-works/) 2. 02 ### Rell basics Learn the language: entities, operations, queries. Read the docs * [What is Rell](https://docs.chromia.com/get-started/about/what-is-rell/) * [Rell in 10 minutes](https://docs.chromia.com/rell/rell-intro/) * [Core concepts](https://docs.chromia.com/rell/core-concepts/) * [Types](https://docs.chromia.com/rell/language-features/types/) * [Database operations](https://docs.chromia.com/rell/language-features/database/) * [Testing](https://docs.chromia.com/rell/tests/) * [Best practices](https://docs.chromia.com/rell/rell-best-practices/) * [Security](https://docs.chromia.com/rell/security/) * [Rell playground (browser)](https://chromiaproject.github.io/rell-playground/) Do it hands-on * [Mastering Rell](https://chromia.com/learn/rell-masterclass/) * [Relationships in Rell](https://chromia.com/learn/relationships-course/) * [Timestamps in Rell](https://chromia.com/learn/latest-known-time/) 3. 03 ### Build your first dapp Install the CLI, run a node locally, call it from TypeScript. Read the docs * [Install the CLI](https://docs.chromia.com/get-started/installation/) * [Create a Hello World dapp](https://docs.chromia.com/get-started/create-dapp/) * [Run it with the CLI](https://docs.chromia.com/get-started/create-dapp/run-dapp-cli/) * [Project structure](https://docs.chromia.com/build/configuration/project-structure/) * [Cookbook](https://docs.chromia.com/build/cookbook/overview/) * [Client SDKs](https://docs.chromia.com/build/clients/overview/) * [TypeScript quickstart](https://docs.chromia.com/build/clients/postchain-clients/javascript-typescript/hello-world-quickstart/) * [Hello world repo](https://github.com/ChromiaProject/hello-world-chromia) Do it hands-on * [Your first Rell app](https://chromia.com/learn/book-review/) * [Rell and React news feed](https://chromia.com/learn/my-news-feed/) * [Tic Tac Toe with Unity](https://chromia.com/learn/tic-tac-toe/) 4. 04 ### Accounts and tokens (FT4) User accounts, sign-in and assets with the FT4 library. Read the docs * [FT4 introduction](https://docs.chromia.com/build/ft4/intro/) * [Set up FT4](https://docs.chromia.com/build/ft4/setup/ft4-setup/) * [Account management](https://docs.chromia.com/build/ft4/account-management/) * [Asset management](https://docs.chromia.com/build/ft4/asset-management/) * [FT4 client](https://docs.chromia.com/build/clients/ft4-client/) * [Supported wallets](https://docs.chromia.com/get-started/about/supported-wallets/) * [Token bridge](https://docs.chromia.com/ecosystem/bridge/overview/) Do it hands-on * [Manage assets with FT4](https://chromia.com/learn/ft4-asset/) * [Asset manager with React and FT4](https://chromia.com/learn/ft4-demo-app/) * [NFT marketplace with FT4](https://chromia.com/learn/marketplace-course/) * [Monetizing your dapp](https://chromia.com/learn/monetize-dapp/) 5. 05 ### Deploy and hosting Testnet first, then a mainnet container. Read the docs * [How hosting works](https://docs.chromia.com/get-started/about/hosting/) * [Deploy to testnet](https://docs.chromia.com/get-started/create-dapp/deploy-to-testnet/) * [Get test tokens](https://docs.chromia.com/build/deployment/testnet-tokens/get-tchr-chromia/) * [Deploy to mainnet](https://docs.chromia.com/build/deployment/mainnet/getting-started/) * [Deploy the frontend on-chain](https://docs.chromia.com/build/deployment/deploy-frontend-dapp/) * [List your dapp in Vault](https://docs.chromia.com/build/deployment/vault-listing/) * [Testnet faucet](https://faucet.testnet.chromia.com/) Do it hands-on * [Build your dapp with CI](https://chromia.com/learn/continuous-integration/) * [Deploy with CI](https://chromia.com/learn/continuous-integration-deploy/) * [TypeScript integration tests](https://chromia.com/learn/rell-integration-test/) 6. 06 ### Run a node Become a provider: set up, run and maintain nodes. Read the docs * [Providers explained](https://docs.chromia.com/get-started/about/providers/) * [Provider overview](https://docs.chromia.com/ecosystem/providers/overview/) * [Prepare a node](https://docs.chromia.com/ecosystem/providers/nodes/prepare-node/) * [Start a node](https://docs.chromia.com/ecosystem/providers/nodes/start-a-node/) * [Install the PMC tool](https://docs.chromia.com/ecosystem/providers/pmc/pmccli-installation/) * [Maintenance guidelines](https://docs.chromia.com/ecosystem/providers/nodes/node-maintenance-guidelines/) * [Provider rewards](https://docs.chromia.com/ecosystem/providers/rewards/) * [Staking](https://docs.chromia.com/get-started/about/staking/) * [Governance](https://docs.chromia.com/ecosystem/governance/overview/) 7. 07 ### AI agents and data Give agents a verifiable memory; search by meaning; run inference. Read the docs * [AI on chain](https://docs.chromia.com/get-started/use-cases/ai-on-chain/) * [MCP server](https://docs.chromia.com/build/clients/mcp-server/) * [Vector search](https://docs.chromia.com/build/vector-search/overview/) * [Vector DB extension](https://docs.chromia.com/ecosystem/extensions/vector-db/) * [AI inference extension](https://docs.chromia.com/ecosystem/extensions/ai_inference/) * [Rell LSP for AI assistants](https://github.com/ChromiaProject/chromia-lsp-mcp) Do it hands-on * [Build a chat agent](https://chromia.com/learn/chat-agent-course/) * [GOAT agent with CHR](https://chromia.com/learn/chromia-goat-chat-agent/) * [Semantic search with Vector DB](https://chromia.com/learn/vector-db-movie-demo/) ## Courses ### Beginner [Beginner26 lessonsYour first Rell app on ChromiaBuild a book review dapp and write your first Rell.](https://chromia.com/learn/book-review/)[Beginner11 lessonsWeb3 essentials for Web2 developersLearn core Web3 concepts explained in Web2 developer terms.](https://chromia.com/learn/web3-for-web2-devs/)[Beginner27 lessonsA simple Chromia app with Rell and ReactBuild a news feed dapp with React and wallet sign-in.](https://chromia.com/learn/my-news-feed/) ### Intermediate [Intermediate6 lessonsBig data analysis with Chromia and PySparkAnalyze Chromia chain data at scale with PySpark.](https://chromia.com/learn/big-data/)[Intermediate6 lessonsVerify events across chains with ICCFVerify events from other chains to control access.](https://chromia.com/learn/iccf-course/)[Intermediate16 lessonsAsset management system with React and FT4Build a React app with FT4 accounts and token transfers.](https://chromia.com/learn/ft4-demo-app/) More courses all levels ### Advanced [Advanced15 lessonsSemantic search on Chromia using Vector DBBuild a movie search that finds films by meaning.](https://chromia.com/learn/vector-db-movie-demo/)[Advanced5 lessonsBuild a chat agent on ChromiaBuild an AI chat agent that talks to Chromia.](https://chromia.com/learn/chat-agent-course/)[Advanced4 lessonsGOAT chat agent for native Chromia transactionsBuild an AI agent that sends CHR from chat.](https://chromia.com/learn/chromia-goat-chat-agent/)[Advanced19 lessonsBuild with zero-knowledge proofs on ChromiaBuild a privacy dapp with Circom zero-knowledge proofs.](https://chromia.com/learn/zero-knowledge-proof/)[Advanced6 lessonsManage assets with FT4Mint, burn, transfer and lock assets with FT4.](https://chromia.com/learn/ft4-asset/)[Advanced15 lessonsDecentralized marketplace with FT4Build a marketplace where users list and buy NFTs.](https://chromia.com/learn/marketplace-course/)[Advanced5 lessonsMonetizing your dappLearn to set fees, earn revenue and cover costs.](https://chromia.com/learn/monetize-dapp/)[Advanced7 lessonsEvent-driven multi-chain dapps with ICMFBuild dapps that react to events from other chains.](https://chromia.com/learn/icmf-course/) ### More guides [Guide20 lessonsTic Tac Toe on Chromia with Rell and UnityBuild Tic Tac Toe with a Rell backend and Unity client.](https://chromia.com/learn/tic-tac-toe/)[Guide8 lessonsMastering RellGo deeper into Rell entities, operations and queries.](https://chromia.com/learn/rell-masterclass/)[Guide8 lessonsChromia for EVM developersReuse your EVM skills to build on Chromia.](https://chromia.com/learn/chromia-for-evm-developers/)[Guide6 lessonsRelationships in Rell explainedModel and link related entities in your Rell code.](https://chromia.com/learn/relationships-course/)[Guide6 lessonsChromia versus other blockchain platformsSee how Chromia's relational model compares to other blockchains.](https://chromia.com/learn/chromia-comparisons/) Quick guides short, one topic each [Guide1 lessonBuild your dapp with CISet up CI that tests every change to your dapp.](https://chromia.com/learn/continuous-integration/)[Guide1 lessonDeploy your project with CIDeploy your project to Chromia automatically with CI.](https://chromia.com/learn/continuous-integration-deploy/)[Guide1 lessonTypeScript integration tests for your dappWrite TypeScript tests for your dapp's operations and queries.](https://chromia.com/learn/rell-integration-test/)[Guide1 lessonWorking with timestamps in RellWrite Rell logic that depends on block time.](https://chromia.com/learn/latest-known-time/)[Guide1 lessonGroup a list by key in RellTurn a list into a map grouped by key.](https://chromia.com/learn/associate-function/)[Guide1 lessonGenerating random numbers in RellGenerate random numbers in Rell for your game logic.](https://chromia.com/learn/random-number-generation/) ## Reference and tools ### Language * [Rell language reference](https://docs.chromia.com/rell/language-features/) * [System library](https://docs.chromia.com/rell/language-features/systemlib/) * [Modules](https://docs.chromia.com/rell/language-features/modules/) * [Rell release notes](https://docs.chromia.com/rell/releases/) ### Tools * [CLI command reference](https://docs.chromia.com/build/cli/commands/) * [Project settings file](https://docs.chromia.com/build/configuration/project-config/) * [CLI release notes](https://docs.chromia.com/build/cli/cli-release-notes/) * [Rell plugin for JetBrains](https://github.com/ChromiaProject/rell-jetbrains) ### Clients * [TypeScript / JavaScript](https://docs.chromia.com/build/clients/postchain-clients/javascript-typescript/) * [Kotlin](https://docs.chromia.com/build/clients/postchain-clients/kotlin-client/) * [Python](https://docs.chromia.com/build/clients/postchain-clients/python-client/) * [Go](https://docs.chromia.com/build/clients/postchain-clients/go-client/) * [Rust](https://docs.chromia.com/build/clients/postchain-clients/rust-client/) * [C#](https://docs.chromia.com/build/clients/postchain-clients/c-sharp-client/) * [REST API](https://docs.chromia.com/build/clients/postchain-rest-api/) ### Protocols and services * [FT4 reference](https://docs.chromia.com/reference/ft4/) * [Cross-chain: ICCF](https://docs.chromia.com/get-started/about/protocols/iccf/) * [Cross-chain: ICMF](https://docs.chromia.com/get-started/about/protocols/icmf/) * [Filehub storage](https://docs.chromia.com/ecosystem/filehub/overview/) * [Exchange integration guide](https://docs.chromia.com/build/integrations/exchange-guide/overview/) * [Chromia Pay docs](https://pay-docs.chromia.com/docs) * [Block explorer guide](https://docs.chromia.com/ecosystem/block-explorer/overview/) ### Code and updates * [Docs updates](https://docs.chromia.com/updates/) * [Docs for AI tools (llms.txt)](https://docs.chromia.com/llms.txt) * [Example projects (GitLab)](https://gitlab.com/chromaway/example-projects) * [Rell source (GitLab)](https://gitlab.com/chromaway/rell) * [ChromiaProject on GitHub](https://github.com/ChromiaProject) * [All courses (learn.chromia.com)](/learn/) ## 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[Start building](https://chromia.com/developers/#start) [Docs](https://docs.chromia.com/)