Codex

Tags: #storage #data #durability #erasure-coding #incentivization #marketplace #DHT #discovery #network #libp2p #devp2p #peers #records #Messaging #zero-knowledge #privacy

What

P2P decentralized data storage with incentivized durabiliity and bandwidth

Why

Web3 is about decentralization
It needs a practical decentralized storage layer
Centralized solutions:
- Censorship
- Monopolozation
Current solutions don't address all the challenges

How

Automated remote auditing of data possession
Durability through strong redundancy
- thru Erasure-coding
- not replication
  - replication is full copy

Discovery

uses Discovery v5
- uses DevP2P

Durability

what is the ratio of replication of information to parity information and quantity of replicated information to figure out how "durable" data is.

Erasure Coding

Relationship between tokenomics incentivizing growth of data nodes such that dispersion keeps growing to accomodate increasing durability (cheaper storage over time which grows to increase redundancy seems related to price of Codex token)
if small error restoration is expensive, can you purposefully destroy larger sectors to "cheapen" restoration process? (this can be done by a user?)
how does BitTorrent work on mobile (light nodes) in order to provide parity space or even full data replication?

Proofs of Storage

Necessary to prove data is still there (availability)
- Data Integrity
- Data Availability
- Data Possession (Most important)
- Retrievability
- Replication

The Complex World of Storage Proofs

How much smaller is data size are these proofs compared to the actual data requested/storage/etc.? Ratio?

To Learn

Learn how Erasure Coding works (want a better understanding of how much data replication exists)
Polynomial committments
homomorphic encryption
compact proof
- compress from two-dimensions:
  - challenge
  - signature

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