Master Smart Contract Rebalancing for AML-Safe Token Portfolios
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Solution Overview
Problem
Existing token management systems, particularly in portfolio management, are vulnerable to unintentional involvement in money laundering due to anonymous transactions on blockchain networks, lacking effective processes to prevent such illicit activities.
Innovation Solution
A system utilizing a master smart contract on a blockchain for automatic token rebalancing, which includes a processor that manages token collections, determines urgency values for token pairs, and generates conversion itineraries to maintain optimal allocation ranges, thereby preventing money laundering by controlling token exchanges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If portfolio managers perform token exchanges on market exchanges to rebalance portfolios, then token allocation can be optimized, but the system becomes vulnerable to money laundering through anonymous transactions
Solution Approach 1:
The patent introduces a master smart contract as an intermediary between portfolio managers and market exchanges. This smart contract acts as a mediator that facilitates token exchanges while maintaining transparency and auditability on the blockchain, thereby preventing money laundering without compromising rebalancing efficiency. The smart contract verifies transaction legitimacy and ensures compliance before executing exchanges.
Solution Approach 2:
The system implements continuous monitoring and feedback mechanisms where the master smart contract tracks token allocations and exchange transactions in real-time. This feedback loop enables the system to detect suspicious activities, verify compliance with allocation ranges, and prevent money laundering attempts while maintaining efficient portfolio rebalancing operations.
2Reliability
If the system implements strict monitoring and control processes to prevent money laundering, then compliance improves, but system complexity increases
Solution Approach 1:
The master smart contract performs self-service by automatically executing monitoring, verification, and control functions without requiring complex external systems. The contract autonomously tracks token allocations, validates exchange transactions, and enforces compliance rules directly on the blockchain, thereby achieving high reliability while minimizing system complexity through self-contained functionality.
Solution Approach 2:
The master smart contract serves multiple functions within a single system component: it manages token allocations, facilitates exchanges, monitors compliance, detects suspicious activities, and maintains audit trails. This multi-functionality reduces overall system complexity by consolidating what would otherwise require multiple separate systems into one unified contract.
3Reliability
If the system processes all token exchanges through centralized control, then money laundering prevention improves, but transaction speed and efficiency decrease
Solution Approach 1:
The patent replaces centralized mechanical control with decentralized smart contract execution on the blockchain. The master smart contract automatically processes token exchanges through programmed logic rather than manual centralized approval, thereby maintaining security and preventing money laundering while significantly improving transaction speed and efficiency through automated blockchain-based execution.
Data Source
AI summary
Systems and methods are described for preventing money laundering using a master smart contract. A master smart contract may be recorded on a blockchain, in which the master smart contract comprises one or more containers, that each include one or more tokens. The master smart contract is capable of rebalancing tokens in a container, in which each token is moved between containers in the master smart contract according to an automated process.


