Swiss Banking Association - Deposit Token System

A secure smart contract system for interbank deposit token management and settlement.

Setup

Prerequisites:

• foundry

Install dependencies with:

forge soldeer install

Build:

forge build

Overview

The Deposit Token system is designed to facilitate secure, regulated transactions between banks and their clients on EVM blockchains. It consists of two primary components:

• Deposit Token (DT): An ERC20 stablecoin contract with comprehensive permissioned-based role access controls
• Escrow Model: A secure mechanism for autonomous exchange and settlement of tokenized assets

Key Features

Permissioned-Based Role Access Control

• Platform Admin: Smart contract administrators with emergency upgrade capability
• Bank Authority: Representatives of consortium member banks
• Bank Operator: Operation team members within bank organizations
• Bank Client: Clients of member banks

Core Functionality

• Whitelisting of bank clients
• Controlled minting and burning of deposit tokens
• Secure transfer requests between whitelisted wallets
• Autonomous escrow transactions for asset exchange
• Comprehensive consortium governance

Directory Structure

• depositToken/: The Deposit Token application
  • contracts/: Solidity smart contracts for the Deposit Token system
  • tests/: Comprehensive test suites using forge
  • settings.json: Configuration file for depositToken deployment and testing
• escrow/: The Escrow application
  • contracts/: Solidity smart contracts for the Escrow system
  • tests/: Comprehensive test suites using forge
  • settings.json: Configuration file for escrow deployment and testing