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The Language Project

The Pattern Language

SEV. Save Everything

…how do you provide INT - Interoperability across a broad set of interconnected services.

Supports INT. Interoperability

Emphasize the retention of all historical data to ensure robust audit trails, compliance adherence, and fault tolerance.

Context:

In decentralized systems like the Internet Computer, ensuring data permanence is crucial for maintaining transparency and trust. These systems often handle sensitive and critical operations, where data loss or inaccuracy can lead to significant issues.

Problem:

Data loss due to accidental deletion, system updates, or malicious activity can compromise system integrity and user trust. It also makes it difficult to comply with audit and regulatory requirements.

Forces:

• Data Integrity: Ensuring the accuracy and completeness of data over its entire lifecycle.
• Auditability: The ability to trace back and verify historical transactions and actions.
• System Complexity: Managing large volumes of data can introduce performance and scalability issues.
• Cost: Permanently storing large amounts of data can incur significant costs.

Description:

Description:

The Save Everything Pattern draws inspiration from blockchain technology, particularly the Ethereum blockchain, where each transaction is permanently recorded. This immutable ledger ensures that data is permanently available for verification, historical analysis, or any future utility.

Consider a decentralized application on the Internet Computer that logs all user interactions. These records could later be used to reward long-term or early users based on their past activities, similar to how Uniswap distributed tokens to early protocol users. This not only fosters user loyalty but also enhances engagement by recognizing and rewarding historical interactions.

Furthermore, the comprehensive data captured by this pattern is invaluable for analytics and machine learning, enabling the extraction of actionable insights that can inform future developments and enhancements. It also facilitates compliance with regulatory requirements by providing a complete, unalterable record of all transactions.

An example of this pattern’s practical application can be seen in blockchain-based supply chain management systems, where every transaction and transfer is logged. In scenarios like product recalls, the ability to trace every movement from production to purchase becomes crucial, demonstrating the utility of having a detailed, unbroken data chain.

Overall, the Save Everything Pattern is a strategic approach that leverages the inherent characteristics of blockchain to treat data as a permanent asset, crucial for ensuring operational resilience and providing a foundation for future functionalities.

Therefore:

Implement a system design that records every interaction, transaction, and change permanently on the blockchain. The IC provides redundancy and prevents data loss and ensures data is available across multiple nodes. Employ event sourcing techniques where state changes are logged as a sequence of immutable events, enabling any past state to be reconstructed by replaying these events.

Supported By : DTI. DATA INTEGRITY,AUD. Auditability,