Interactive Web3 Documentation

TUWA Docs

Open-source TypeScript packages for EVM and Solana: wallet connection, CAIP-122 sign-in and transaction tracking, with optional React components and a cloud or self-hosted backend.

Apache-2.0Every TUWA package and Quasar Community Edition is Apache-2.0, and it will stay Apache-2.0.

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01 / Ecosystem

9 products5 stages27 packages

Ecosystem Architecture

Every stage builds on the one before it. Pick the whole stack with @tuwaio/sdk or install a single package.

01L1–L2Core Auth & Primitives

Sign-In With X (SIWX)5 packages · L1–L2 Orbit Utils3 packages · L1–L2

02L3–L4State & Connection

Satellite Connect4 packages · L3–L4 Pulsar4 packages · L3–L4

03L5Backend & Sync

Quasar Client1 package · L5 Quasar CommunitySelf-hosted Quasar CloudManaged

04L6–L8User Interface

Nova UI Kit5 packages · L6–L8

05L8–L10SDK Integration Layer

TUWA SDK5 packages · L8–L10Re-exports

02 / Packages

27 packages9 productsApache-2.0

Stage 1 — Core Auth & Primitives

Chain-agnostic CAIP-122 auth & multi-chain primitives

Orbit Utils

Multi-chain utilities for EVM & Solana

Docs GitHub

@tuwaio/orbit-corev0.6.2L1 core of Orbit Utils (TUWA): zero-dependency, framework-agnostic multi-chain types, CAIP-2, CAIP-10 and CAIP-19 helpers, connector and address helpers, error normalization and SSR-safe connection persistence.
Used by@tuwaio/nova-connect@tuwaio/nova-core@tuwaio/nova-payments@tuwaio/nova-transactions@tuwaio/orbit-solana@tuwaio/pulsar-core+12 more
Click for the install command with peers, guides and links
@tuwaio/orbit-evmv0.4.2L2 EVM package of Orbit Utils (TUWA): cached viem clients, chain switching, ENS resolution and ERC-4337 smart accounts (Solady with a Pimlico bundler and paymaster), built on viem and @wagmi/core.
Required peers@wagmi/core 3.x.xviem 2.x.x
Used by@tuwaio/evm-sdk@tuwaio/nova-connect@tuwaio/pulsar-evm@tuwaio/satellite-evm@tuwaio/sdk
Click for the install command with peers, guides and links
@tuwaio/orbit-solanav0.7.4L2 Solana package of Orbit Utils (TUWA): cached @solana/kit RPC clients, Wallet Standard discovery, cluster and explorer helpers, and SNS name and avatar lookups.
Required peers@tuwaio/orbit-core >=0.4@solana/kit >=6
Used by@tuwaio/nova-connect@tuwaio/nova-payments@tuwaio/pulsar-solana@tuwaio/satellite-solana@tuwaio/sdk@tuwaio/siwx-solana+1 more
Click for the install command with peers, guides and links

Sign-In With X (SIWX)

CAIP-122 authentication engine & adapters

Docs GitHub

@tuwaio/siwx-evmv0.5.4L2 EVM package of SIWX (TUWA): CAIP-122 signer for wagmi and viem wallets, and EIP-191 (EOA), EIP-1271 (smart contract wallet) and ERC-6492 (not yet deployed smart wallet) verification on the chain of the message, built on viem and @wagmi/core.
Required peers@tuwaio/orbit-core >=0.5@tuwaio/siwx-core >=0.4.1@wagmi/core >=3viem >=2.18.6
Used by@tuwaio/evm-sdk@tuwaio/siwx-server
Click for the install command with peers, guides and links
@tuwaio/siwx-solanav0.7.2L2 Solana package of SIWX (TUWA): CAIP-122 signer for Wallet Standard and @solana/kit wallets, and ed25519 signature verification with Web Crypto, built on @solana/kit.
Required peers@tuwaio/orbit-core >=0.5@tuwaio/orbit-solana >=0.7.1@tuwaio/siwx-core >=0.4.1@solana/kit >=6@wallet-standard/base >=1.1.0
Used by@tuwaio/siwx-server@tuwaio/solana-sdk
Click for the install command with peers, guides and links

Stage 2 — State & Connection

Transaction tracking & wallet connectivity

Pulsar

Transaction tracking that survives reloads

Docs GitHub

@tuwaio/pulsar-corev0.12.4L3 core of Pulsar (TUWA): headless, framework-agnostic transaction store with localStorage persistence, a chain adapter contract, metadata validation and remote sync hooks for tracking EVM and Solana transactions.
Required peers@tuwaio/orbit-core >=0.6.2dayjs 1.x.ximmer 11.x.xzustand 5.x.x
Used by@tuwaio/nova-connect@tuwaio/nova-payments@tuwaio/nova-transactions@tuwaio/pulsar-evm@tuwaio/pulsar-solana@tuwaio/quasar-sdk+1 more
Click for the install command with peers, guides and links
@tuwaio/pulsar-evmv0.13.3L4 EVM package of Pulsar (TUWA): transaction adapter and trackers for standard transactions, ERC-4337 UserOperations and Safe multisig, with speed-up and cancel actions, built on viem and @wagmi/core.
Required peers@tuwaio/orbit-core >=0.6.1@tuwaio/orbit-evm >=0.3@tuwaio/pulsar-core >=0.12@wagmi/core 3.x.xdayjs 1.x.xviem 2.x.x
Used by@tuwaio/evm-sdk
Click for the install command with peers, guides and links

Satellite Connect

Headless wallet connection store for EVM & Solana

Docs GitHub

@tuwaio/satellite-corev0.12.0L3 core of Satellite Connect (TUWA): headless, framework-agnostic Zustand store for EVM and Solana wallet connections, with a chain adapter contract, auto-connect of the last wallet and the SIWX state type.
Required peers@tuwaio/orbit-core >=0.6.1immer 11.x.xzustand 5.x.x
Used by@tuwaio/evm-sdk@tuwaio/nova-connect@tuwaio/nova-payments@tuwaio/satellite-evm@tuwaio/satellite-react@tuwaio/satellite-solana+2 more
Click for the install command with peers, guides and links
@tuwaio/satellite-evmv0.11.1L4 EVM package of Satellite Connect (TUWA): wallet adapter and connections watcher for wagmi connectors, a contract account check and wagmi config helpers, built on @wagmi/core and viem.
Required peers@tuwaio/orbit-core >=0.6.1@tuwaio/orbit-evm >=0.3@tuwaio/satellite-core >=0.7@wagmi/core 3.x.xviem 2.x.x
Used by@tuwaio/evm-sdk@tuwaio/nova-connect@tuwaio/satellite-react@tuwaio/sdk
Click for the install command with peers, guides and links
@tuwaio/satellite-solanav0.11.4L4 Solana package of Satellite Connect (TUWA): Wallet Standard adapter, connections watcher and message signer for Solana wallets, built on @solana/kit.
Required peers@tuwaio/orbit-core >=0.6.1@tuwaio/orbit-solana >=0.7.2@tuwaio/satellite-core >=0.7@solana/kit >=8.2@wallet-standard/base 1.1.x@wallet-standard/features 1.1.x+2 more
Used by@tuwaio/nova-connect@tuwaio/satellite-react@tuwaio/sdk@tuwaio/solana-sdk
Click for the install command with peers, guides and links
@tuwaio/satellite-reactv0.10.4L4 React package of Satellite Connect (TUWA): provider, store hook and EVM and Solana watcher components that keep wallet connections in sync with wallets and SIWX sessions.
Required peers@tuwaio/orbit-core >=0.6.1@tuwaio/satellite-core >=0.7react >=19.2.3zustand 5.x.x
Used by@tuwaio/nova-connect@tuwaio/nova-payments@tuwaio/sdk
Click for the install command with peers, guides and links

Stage 3 — Backend & Sync

Managed cloud or self-hosted Quasar engine, and its API client

Quasar Cloud

Managed cloud · Transaction indexing & sync

Docs GitHub

Quasar Dashboardquasar.tuwa.io

Quasar Community

Self-hosted engine & admin · Apache-2.0

Docs GitHub

Quasar Client

API client, webhook verification & relay CLI

Docs GitHub

Stage 4 — User Interface

React components for Satellite, Pulsar & Quasar Payments

Nova UI Kit

Design system & component library

Docs GitHub

@tuwaio/nova-corev0.15.0L6 core of Nova UI Kit (TUWA): the --tuwa-* theme variables, the dialog, network and wallet icons, and the hooks and helpers shared by the Nova components.
Required peers@tuwaio/orbit-core >=0.6.1@radix-ui/react-dialog 1.x.x@web3icons/common >=0.11@web3icons/react >=4.1.24clsx 2.x.xframer-motion 12.x.x || 13.x.x || 14.x.x+2 more
Used by@tuwaio/nova-connect@tuwaio/nova-payments@tuwaio/nova-transactions@tuwaio/sdk
Click for the install command with peers, guides and links
@tuwaio/nova-connectv0.15.0L7 wallet connection package of Nova UI Kit (TUWA): connect button, connect and account modals, chain selector and SIWX sign-in for EVM and Solana wallets, with English, Ukrainian and Chinese labels, built on @tuwaio/satellite-react.
Required peers@tuwaio/nova-core >=0.14@tuwaio/nova-transactions >=0.11@tuwaio/orbit-core >=0.6.2@tuwaio/pulsar-core >=0.12@tuwaio/satellite-core >=0.12@tuwaio/satellite-react >=0.7+6 more
Used by@tuwaio/nova-payments@tuwaio/sdk
Click for the install command with peers, guides and links
@tuwaio/nova-transactionsv0.15.1L7 transactions package of Nova UI Kit (TUWA): toasts, a tracking modal with speed-up and cancel, and the transaction history for transactions tracked by Pulsar.
Required peers@tuwaio/nova-core >=0.14@tuwaio/orbit-core >=0.6.2@tuwaio/pulsar-core >=0.12dayjs 1.x.xframer-motion 12.x.x || 13.x.x || 14.x.xreact >=19.2.3+1 more
Used by@tuwaio/nova-connect@tuwaio/nova-payments@tuwaio/sdk
Click for the install command with peers, guides and links
@tuwaio/nova-paymentsv0.0.1L8 payments package of Nova UI Kit (TUWA): the checkout of Quasar Payments invoices, with crypto payments from a wallet or a QR code, in a modal, inline or on a page.
Required peers@tuwaio/nova-connect >=0.13@tuwaio/nova-core >=0.13@tuwaio/nova-transactions >=0.13@tuwaio/orbit-core >=0.6.2@tuwaio/pulsar-core >=0.12@tuwaio/quasar-sdk >=0.8.0+6 more
Click for the install command with peers, guides and links

Stage 5 — SDK Integration Layer

Core SDK, network add-ons & the Payments module

TUWA SDK

Unified client SDK & EVM/Solana network adapters

Docs GitHub

@tuwaio/sdkv0.9.1L8 core of the TUWA SDK: one package for React apps that re-exports Orbit Utils, SIWX, Satellite Connect, Pulsar and Nova UI Kit under subpaths, with their stylesheets. Add @tuwaio/evm-sdk or @tuwaio/solana-sdk for the network.
Required peersreact >=19.2.3react-dom >=19.2.3
Used by@tuwaio/evm-sdk@tuwaio/payments-sdk@tuwaio/solana-sdk
Click for the install command with peers, guides and links
@tuwaio/solana-sdkv0.7.1L9 Solana add-on of the TUWA SDK: re-exports the Solana packages of Orbit Utils, SIWX, Satellite Connect, Pulsar and Nova Connect under subpaths.
Required peers@tuwaio/satellite-core >=0.7@tuwaio/sdk >=0.7@solana/kit >=8.2@wallet-standard/app 1.1.x@wallet-standard/base 1.1.x@wallet-standard/features 1.1.x+3 more
Used by@tuwaio/payments-sdk
Click for the install command with peers, guides and links

Size · gzipLoaded with the import: the own code of the package, minified and gzipped, without its dependencies. Measured November 12, 2026.

03 / Quick start

Cosmos Playground3 steps

Start Building in Cosmos Playground

One command creates a complete Next.js or Vite app for EVM, Solana or both, with wallet connection and transaction tracking already wired.

$npx @tuwaio/create-cosmos-playground

npm@tuwaio/create-cosmos-playground GitHubTuwaIO/cosmos-playground AI agentsTUWA_AGENTS.md

Run command
Execute the interactive CLI command in your project directory.
Select template
Choose React or Next.js templates for EVM, Solana, or Multi-chain. Compare templates
Start building
Run local dev server and start creating self-custodial Web3 dApps.

Configure Your Stack

Pick your framework, chains and features to get the install command and the setup files.

Framework

Chains

Features

Install

$pnpm add @tuwaio/sdk @tuwaio/evm-sdk @wagmi/core viem

Open with all 8 setup files

TUWA Docs

Ecosystem Architecture

What each project builds on

Orbit Utils

Sign-In With X (SIWX)

Pulsar

Satellite Connect

Quasar Cloud

Quasar Community

Quasar Client

Nova UI Kit

TUWA SDK

Start Building in Cosmos Playground

Run command

Select template

Start building

Configure Your Stack