http://coinmamailtcrg7fw6uorut3d35bk35rtmntkrtb4fgeov6pefvfutqd.onion/academy/what-is-filecoin
By locking up a certain amount of FIL as collateral, miners guarantee that they will fulfill their storage obligations. In case a miner fails to meet these obligations, their staked collateral may be slashed, ensuring that clients’ data remains protected and accessible.