Filecoin (FIL) is the incentive layer of the InterPlanetary File System (IPFS) interstellar file system and is the token of IPFS. The goal of Filecoin is to create a decentralized storage network using IPFS technology, which can ensure that stored files cannot be maliciously tampered with, permanently saved, and accessed at any time. In 2017, Filecoin completed a total financing of 257 million US dollars, setting a historical record in the coin circle.QFIL is a Filecoin token launched by QuickCash based on the ERC2.0 version, with a total supply of 10000 pieces (obtained in the arms race). After the Filecoin main network is launched, it can be exchanged 1:1 for FIL main network tokens....