Arweave

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Pronunciation

[ar-weev]

Analogy

Arweave is like a decentralized library archive where you pay once and your document is stored forever, with no ongoing .

Definition

A ‑backed permanent storage network designed to provide immutable, low‑cost data archiving indefinitely.

Key Points Intro

Arweave’s innovation lies in its sustainable permanence model:

Key Points

Pay once, store forever: Up‑front fee covers indefinite storage.

Blockweave: Modified blockchain linking each block to a random prior block.

Endowment pool: Fees fund future storage via yield generation.

Permaweb: HTTP‑accessible layer of permanent apps and data.

Example

A news organization archives all published articles on Arweave; readers can access historical records without risk of link rot.

Technical Deep Dive

Arweave’s blockweave uses Proof‑of‑Access: must provide Merkle proofs of recall for a randomly chosen earlier to mine a new . are split into miner reward and endowment contribution. The endowment is invested in secure assets to generate yield, funding long‑term storage costs.

Security Warning

Data is immutable—erroneous or sensitive content cannot be removed once published.

Caveat

Future economic assumptions (yield rates) may affect long‑term sustainability.

Blockchain & Cryptocurrency Glossary

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