Sia is the leading decentralized cloud storage platform.

No signups, no servers, no trusted third parties.

Sia leverages blockchain technology to create a data storage marketplace that is more robust and more affordable than traditional cloud storage providers.

⭐ Completely Private - Sia encrypts and distributes your files across a decentralized network. You control your private encryption keys and you own your data. No outside company or third party can access or control your files, unlike traditional cloud storage providers.
⭐ Far More Affordable - On average, Sia's decentralized cloud storage costs 90% less than incumbent cloud storage providers. Storing 1TB of files on Sia costs about $1-2 per month, compared with $23 on Amazon S3.
⭐ Highly Redundant - Sia distributes and stores redundant file segments on nodes across the globe, eliminating any single point of failure and ensuring uptime that rivals traditional cloud storage providers.
⭐ Open Source - Sia’s software is completely open source, with contributions from leading software engineers and a thriving community of developers building innovative applications on the Sia API.
⭐ Marketplace On Blockchain -Using the Sia blockchain, Sia creates a decentralized storage marketplace in which storage providers compete for your business, which leads to the lowest possible prices. Renters pay using Siacoin, which can also be mined and traded.