Gas Arithmetic (Global)
High-quality technical overview of Gas Arithmetic in the context of blockchain security.
Retention Cycle: Ingestion -> Active Use -> Archival -> Destruction. Drivers: 1. Legal Compliance. 2. Business Value. 3. Cost Management. Methods: Hard deletion, Cryptographic erasure (deleting the key), Physical destruction.
graph LR
Center["Gas Arithmetic (Global)"]:::main
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🧒 Wyjaśnij jak 5-latkowi
Imagine you have a big messy drawer in your kitchen. Every year, you decide that anything you haven't used in 12 months should be put in a box in the attic. If you don't use it for another 2 years in the attic, you throw it away. This keeps your kitchen clean and your attic from filling up. Data retention is the computer version of that: it's the rules for when to move old files to the 'attic' and when to finally throw them in the 'trash'.
🤓 Expert Deep Dive
Technically, data retention is implemented through 'Lifecycle Management' (LCM) policies in storage systems like AWS S3 or Azure Blob. You might set a rule that 'Daily Logs' are moved to an 'Infrequent Access' tier after 30 days, then to 'Glacier' (Deep Archive) after 90 days, and finally 'Expired' (Deleted) after 1 year. A critical edge case is the 'Legal Hold'—if a company is sued, the retention script must be paused to prevent the automated destruction of 'Evidence'. In terms of security, 'Data Retention' is a key part of risk management; if a hacker breaks in, they can only steal what you have currently stored. If you haven't deleted data from 10 years ago, you are still liable for its exposure.