Candide
Candide provides open-source toolkits and infrastructure to build and manage smart wallets with advanced account abstraction features.
Overview
Candide is an open-source platform offering a comprehensive suite of tools and infrastructure for building smart wallets based on Ethereum account abstraction standards such as ERC-4337 and EIP-7702. It enables developers to upgrade traditional externally owned accounts (EOAs) to smart accounts, providing enhanced security, gas abstraction, and modular wallet features without vendor lock-in. Candide supports mobile, embedded, and standalone wallet development, making it suitable for projects aiming to improve user onboarding and wallet management in decentralized applications.
The platform includes the AbstractionKit SDK, a TypeScript toolkit that simplifies smart wallet creation and customization. It also offers a decentralized infrastructure stack including a Bundler API optimized for smart wallet transactions, a Paymaster API for gas sponsorship and stablecoin gas payments, and InstaGas for no-code gas sponsorship across multiple EVM-compatible chains. Additional modules like Safe OpenSig prevent blind signing, and Safe Account Recovery provides diverse recovery options such as social recovery and alert systems, addressing common wallet security and usability challenges.
Candide differentiates itself by focusing on a permissionless, minimalistic infrastructure maintained by a small independent team, emphasizing reliability and developer control. Its support for EIP-7702 allows upgrading existing EOAs to smart accounts, which is ideal for wallets with an existing user base. The platform’s modular plugin system enables developers to add features like passkeys, spending limits, and social recovery easily. Extensive documentation and guides help teams get started quickly, and the open-source nature encourages customization and integration with existing infrastructure or Candide’s decentralized services.
The Problem
Developers face challenges building secure, user-friendly smart wallets that support account abstraction without vendor lock-in. Managing gas payments, recovery options, and transaction signing securely while maintaining a seamless user experience is complex and resource-intensive.
The Solution
Key Features
AbstractionKit SDK
TypeScript SDK to build and customize smart wallets with support for Ethereum standards.
Bundler API
Optimized API for bundling smart wallet transactions with precise gas estimation and fast execution.
Paymaster API and InstaGas
Unified gas sponsorship system supporting stablecoin payments and no-code setup for dapps.
Safe Account Recovery
Multiple recovery methods including social recovery, email/SMS alerts, and automatic execution.
Safe OpenSig
Prevents blind signing to enhance transaction security.
Key Strengths
How Developers Use Candide
Upgrading existing wallets to smart accounts
Wallet providers can use Candide to upgrade traditional EOAs to smart accounts with account abstraction features, improving security and UX.
Building gasless dapps with sponsored transactions
Dapp developers can integrate InstaGas and Paymaster APIs to abstract gas fees from users, enabling payments in ERC-20 tokens or stablecoins.
Implementing secure social recovery for wallets
Teams can add social recovery modules to wallets, allowing users to recover access through trusted guardians and alerts.
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Free RPC across 77+ chains. Spin up an endpoint in under 30 seconds.
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Pricing
Free | Enterprise | |
|---|---|---|
| Price (Monthly) | Free | Custom pricing |
| Price (Annual) | Free | Custom pricing |
| Messaging | N/A | Dedicated support and SLA |
| Support | Community support via Discord and GitHub | Priority support with SLAs |
| Analytics |
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Resources
Candide offers extensive documentation, step-by-step guides, and open-source repositories to help developers build and integrate smart wallets. Resources cover everything from getting started with the AbstractionKit SDK to advanced gas sponsorship and account recovery techniques.