For Customers Log in
Contact Us

Proof-of-Spacetime Meaning

Proof-of-Spacetime (PoSt) is a Cryptographic Proof (used by Filecoin) that Works with Proof of Replication (PoRep). While PoRep proves that a provider Initially stored the data, PoSt proves that they have Continued to Store It over a Specific Period of Time. It is a Continuous Audit that ensures the data is Still There and Hasn't been Deleted or Corrupted to Save Space.Technically, PoSt works by Randomly Challenging the Storage Provider to Read Small Pieces of the Encoded Data.

The provider must Generate a Proof and Publish it to the Blockchain every Window (e.g., every 24 hours). If they Fail to Publish the Proof on time, they are Slashed (lose their collateral).

This ensures that the Provider is Always Honest and that the Data is Always Available for the user.PoSt is the Key to Trustless Storage. In a Centralized Cloud, you have to Trust that Amazon won't Lose your File.

In a Decentralized Network, you don't Trust the Provider; you Trust the Proof of Spacetime. The Blockchain acts as an Unblinking Judge that is Constantly Checking the Integrity of the Global Data Center.Combined with PoRep, Proof-of-Spacetime creates a Verifiable Market for Hard Drive Space.

It turns Digital Storage into a Self-Securing Asset Class. While it is Computationally Complex to run, it represents the State of the Art in Distributed Infrastructure, moving us away from Blind Trust in Tech Giants and toward Mathematical Certainty in Open Protocols.

← Back to Glossary

Explore our services
Providing liquidity in the cryptocurrency market?
Authorize on our platform and do it smarter with FM Pulse.
pic

FM Marketplace

A reliable and high-performance crypto liquidity marketplace for institutions and businesses.

Learn more
pic

FM White Label

Launch your fully branded B2B crypto trading platform in under one week.

Learn more
pic

FM Liquidity Match

Crypto OTC-as-a-Service infrastructure for enhanced monetization and trade control.

Learn more

Scale your business, leave the hard work of your trading needs to us

Reduce your integration costs and operational risk across multiple access points with our platform

Get started