zkBank

zkBank Features

Revolutionary zero-knowledge banking system combining multi-party signatures, notarization, and ZK proofs for secure, private financial transactions on Sui blockchain.

Core Feature
Multi-Party Transaction Signatures
Secure multi-signature transactions requiring approval from all counterparties before execution.
  • •ED25519 and ECDSA signature support
  • •Real-time signature verification
  • •Duplicate signature prevention
  • •Timestamp-based message hashing
Security
Notarization System
Advanced notarization with cryptographic verification ensuring transaction authenticity and integrity.
  • •Notary signature verification
  • •Transaction authenticity validation
  • •Immutable audit trail
  • •Trusted third-party oversight
Privacy
Zero-Knowledge Proofs
Privacy-preserving ZK proofs that validate transaction integrity without revealing sensitive data.
  • •Circuit-based proof generation
  • •Public input validation
  • •Verification key management
  • •Proof type flexibility (0-2)
Integrity
Merkle Root Verification
32-byte Merkle root validation ensuring transaction component integrity and data consistency.
  • •32-byte hash verification
  • •Component hash validation
  • •Data integrity checks
  • •Immutable transaction structure
Scalability
Counterparty Management
Flexible counterparty system supporting up to 10 participants per transaction.
  • •Up to 10 counterparties per transaction
  • •Address validation
  • •Role-based permissions
  • •Dynamic participant management
Workflow
Transaction Lifecycle Management
Complete transaction lifecycle from creation to completion with status tracking.
  • •PENDING → NOTARISED → COMPLETED states
  • •Status-based access control
  • •Lifecycle event tracking
  • •Automatic state transitions
Transparency
Transaction Registry
Comprehensive transaction registry with metadata, gas tracking, and verification counts.
  • •Global transaction registry
  • •Gas usage tracking
  • •Verification statistics
  • •Metadata storage (1024 bytes max)
Performance
High Performance
Optimized for Sui blockchain with efficient gas usage and fast transaction processing.
  • •10M gas budget optimization
  • •Fast transaction building
  • •Efficient signature verification
  • •Minimal gas consumption
Blockchain
Sui Blockchain Integration
Native integration with Sui blockchain leveraging its high-performance capabilities.
  • •Sui Move smart contracts
  • •Testnet deployment ready
  • •Mainnet compatibility
  • •Sui SDK integration
Governance
Admin & Notary Controls
Secure administrative controls with notary capabilities and system management.
  • •Admin capability management
  • •Notary role assignment
  • •System pause functionality
  • •Emergency controls
Integration
Web3 Wallet Integration
Seamless integration with popular Web3 wallets for easy transaction signing.
  • •Suiet wallet support
  • •Multi-wallet compatibility
  • •Transaction signing interface
  • •Real-time connection status
Compliance
Audit & Compliance
Built-in audit trails and compliance features for regulatory requirements.
  • •Immutable transaction logs
  • •Signature audit trails
  • •Timestamp verification
  • •Compliance reporting

Technical Specifications

Smart Contract
  • Module: SuiBankZK::finality
  • Package ID: 0xafdaf72f4f60208486b9a634ae67b9d479be8ea3da4b0f4912eac8b9f4c59047
  • Deployment: Sui Testnet
  • Language: Move
Security
  • Signature Types: ED25519, ECDSA
  • Hash Algorithm: Blake2b256
  • Merkle Root: 32 bytes
  • Max Metadata: 1024 bytes
Performance
  • Max Counterparties: 10
  • Gas Budget: 10M
  • Transaction Timeout: 30 days
  • Proof Types: 3 (0-2)

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