What blockchain is used in Filecoin? January 14, 2021 15:09 Updated Filecoin is built on top of another protocol for decentralized file handling called the Interplanetary File System (IPFS). Related articles Solana (SOL) There is a different balance showing in Uphold than on the blockchain. Why? Can I deposit and withdraw FIL directly? Filecoin (FIL) What is Polkadot?