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Beatoz Wallet

Mobile Wallet

System Description

Solo-built Flutter multi-chain wallet with PIN/biometric authentication, AES-256 encrypted key storage, and modular chain helpers (WalletHelper factory/interfaces).

Technologies

FlutterDartRiverpodgo_routerflutter_secure_storagepointycastle
Beatoz Wallet
ROLE: SOLO_DEVELOPERDOMAIN: BLOCKCHAIN
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PROBLEMThe Challenge

Needed secure local key handling while keeping chain integrations extensible and maintainable as features and networks expand.

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SOLVEDThe Solution

Implemented secure storage + PIN-derived key flows for encrypted key management, Riverpod state management, and a WalletHelper factory that selects chain-specific helpers/services for RPC calls, signing, and transfers.

Technical Deep Dive

Overview

  • ▶Solo-built Flutter multi-chain wallet focused on secure key handling and extensibility.

Key Components

  • ▶Encrypted key storage with PIN/biometric flows
  • ▶Modular chain integration via WalletHelper interfaces/factory (EVM/XRPL/Solana/Tron, etc.)
  • ▶Chain-specific signing/RPC handling separated from UI/domain logic