**Proposer:** CESS LAB

 

**Short description:** The goal of the project is to create a decentralized blockchain snapshot repository. Anyone can upload blockchain snapshots to the repository, and anyone can download the snapshot files to quickly deploy a chain node.

 

**Requested Allocation:** 587.02 KSM ($19,950) at ema-30 of $33.985 taken on 14/04/2023

 

**Problem Statement**

- **There is a lack of a general snapshot service in the Polkadot ecosystem.** 
A universal snapshot download solution would allow users to quickly and easily download the current state of all parachains and solochains in the Polkadot ecosystem. This would be useful for developers and users who want to interact with these chains without having to sync the entire blockchain from scratch. However, at the moment, there is no such solution available that supports all parachains and solochains in the Polkadot ecosystem.

- **Centralized snapshot service operation and maintenance costs are too high.** 
Centralized snapshot service operation and maintenance costs can be prohibitively high due to the need for large amounts of storage and computing resources to manage and process the data. Additionally, the cost of maintaining the security and reliability of the service can also be significant. These costs can make it difficult for a centralized snapshot service to be financially sustainable, especially if it is offered for free or at a low cost to users.

 

**About Subshots**

We believe that there is currently a lack of a universal snapshot service that is able to support all parachains and solochains in the Polkadot ecosystem. So we designed Subshots - a decentralized blockchain snapshot repository. Snapshot files are stored on a decentralized storage network instead of a cloud storage platform such as Amazon S3. Anyone can upload snapshot files, anyone can download snapshot files for free.

 

**Full details and costing available in the** [proposal document](https://docs.google.com/document/d/13dxiuvPk3odZEKxnxBkcLu_sV0Fy0xf1a5wK4we0sbI/edit?usp=sharing)

 

We would appreciate your review and comments (either here or on the draft proposal itself).

Thanks

- The project wants to create a place where people can upload and download blockchain snapshots.
- They need money to make this project happen.
- The problem is that there is no easy way to download the current state of all the chains in the Polkadot ecosystem.
- Centralized snapshot services are too expensive to run.
- They have a plan called Subshots to solve these problems.

#2556 Treasury Proposal - Subshots

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