> For the complete documentation index, see [llms.txt](https://unibaseio.gitbook.io/unibase-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://unibaseio.gitbook.io/unibase-docs/unibase-da/unibase-storage.md).

# Verifiable Storage

AI doesn't lack storage — S3 and its peers are effectively infinite and cheap. What AI *does* lack is **verifiable, ownable, composable memory**: data an agent (or a smart contract) can prove is **untampered, available, and provenance-auditable**, and then **act on directly on-chain**.

Unibase DA turns that into a **programmable primitive**. It is not another place to dump bytes; it is the layer that makes bytes **provable**.

***

### 💡 The shift: sell verifiability, not gigabytes

|             | Commodity storage (S3 / Filecoin / Arweave) | **Unibase DA**                                             |
| ----------- | ------------------------------------------- | ---------------------------------------------------------- |
| Sells       | Bytes ($/GB)                                | **A proof primitive** (untampered · available · auditable) |
| Trust       | Provider / off-chain committee              | **On-chain ZK fraud proofs + Honest-One**                  |
| On-chain    | Not composable (or costly)                  | **Availability is a first-class on-chain fact**            |
| Competes on | Price per GB                                | **Verifiability, not price**                               |

We do **not** compete on $/GB. Availability and correct encoding are enforced by an optimistic **on-chain ZK fraud-proof** game under an **Honest-One** model — a single honest participant forces correctness, with no honest-majority or committee assumption.

***

### 🧱 A verifiability *overlay*, not a byte-owner

Unibase DA can sit **on top of existing storage backends** (its buffer tier is pluggable — local, S3-compatible object stores, and other decentralized storage over time) and add only the part they can't: a **cheap, composable, on-chain proof of availability and encoding**. You keep your storage economics; DA adds trust.

> Arweave/Filecoin can persist a blob, but their proofs don't cheaply live on-chain or compose with contracts. That composability is Unibase DA's structural advantage.

***

### 🔑 What you can build on it

* **Verifiable agent memory** — tamper-evident, on-chain-verifiable recall for AI agents. This is the wedge, delivered through [**Membase**](/unibase-docs/membase.md) (memory SDK/MCP built on DA).
* **Proof-of-Availability for on-chain reputation** — a data-availability layer for the **ERC-8004** agent-reputation/identity ecosystem (evidence that a claim's backing data is actually retrievable).
* **Verifiable datasets & model registries** — prove a dataset/model without revealing it (commitment proofs), enabling **training provenance** and **data royalties**.
* **DA for AI artifacts** — weights, LoRA adapters, RAG corpora, and checkpoints with a portable, verifiable availability guarantee.

***

### ⚙️ Developer experience

* **Feels familiar** — the SDK is shaped like an object store / vector store, so it drops into AI stacks (LangChain / LlamaIndex / MCP) without learning a new storage model.
* **Proofs are first-class** — every object carries a self-verifying, content-addressed name; a client (or contract) can check the on-chain receipt, and availability can be surfaced as a shareable **verify link / ✓verified badge** in the explorer.
* **Composable** — because proofs live on-chain, contracts can gate logic on "is this data provably available?" — access control, lifecycle, pricing, and royalty flows become programmable around verified data.
* **Performant** — erasure-coded durability with high-throughput ingest, so real-time context loading and memory updates aren't bottlenecked.

***

### 🤝 Honest about trust

Verifiability should anchor to real needs — agent marketplaces, portable/ownable memory, on-chain reputation, regulated AI, data royalties — not decentralization theater. Unibase DA states plainly where trust lands: on the **Honest-One fraud-proof game** and the **security of the settlement chain** (Base, with Ethereum as the security anchor), **not** on a trusted committee.

***

### 📌 Summary

Unibase DA is the **verifiability layer for AI memory and data**:

* ✅ Proofs of untampered, available, auditable data — enforced on-chain (ZK + Honest-One)
* ✅ An **overlay** over any storage backend — trust added, not bytes owned
* ✅ Composable: availability is a first-class on-chain fact contracts can consume
* ✅ Powers verifiable agent memory (Membase), 8004 availability, dataset/model provenance, and AI-artifact DA

> The goal isn't cheaper storage — it's **memory you can prove, own, and compose**.