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Append-Only Storage

Definition ∞ Append-only storage is a data storage method where new data can only be added to the end, never modified or deleted from prior entries. This fundamental characteristic ensures an immutable record of information over time. Each addition extends the existing sequence, forming a permanent historical log. This design is central to maintaining data integrity and auditability.
Context ∞ In blockchain technology, append-only storage is a foundational principle that underpins the immutability and security of distributed ledgers. Discussions in crypto news often highlight how this property guarantees the integrity of transaction histories and smart contract states. Future developments in scaling solutions often consider how to maintain this immutability while improving data access.

A metallic, chrome-finished component, resembling a hardware wallet or cryptographic primitive, is securely integrated within a translucent blue structure. This structure, heavily encrusted with white frost, visually represents cold storage for digital assets, emphasizing robust network security. The frosted surface evokes an immutable ledger state, signifying tamper-proof blockchain architecture. This setup suggests advanced private key protection and multi-signature capabilities, crucial for decentralized finance DeFi protocols and safeguarding tokenized assets against unauthorized access, ensuring validator node integrity.

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Quick Merkle Database Unifies State Storage and Proofs for Extreme Scalability

Introducing the Quick Merkle Database, a unified, append-only architecture that resolves state management I/O bottlenecks, enabling millions of updates per second.