Cryptography has unleashed the latent power of the Internet by enabling interactions between mutually-distrusting parties. Sia [sigh-uh] harnesses this power to create a trustless cloud storage marketplace, allowing buyers and sellers to transact directly. No intermediaries, no borders, no vendor lock-in, no spying, no throttling, no walled gardens; it's a return to the Internet we once knew. The
![Sia - Decentralized data storage](https://cdn-ak-scissors.b.st-hatena.com/image/square/7fe79f399cb4c88968033f4c01446b4a3c24b8c5/height=288;version=1;width=512/https%3A%2F%2Fsia.tech%2Fassets%2Fpreviews%2Fmountain.png)