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File Workflow

File upload

Through CESS client or CESS gateway, the file owner uploads the file to the purchased storage space. CESS uses erasure codes to store customer files on multiple storage nodes with 1.5 times redundancy. The process flow is depicted as follows:

File download

The files on CESS are open and can be downloaded by any user. The meta information of the file is saved on the chain, and users use the client or gateway to retrieve the file locally. The process flow is depicted as follows:

Storage audit

CESS has developed a series of audit algorithms and reward mechanisms to ensure the data stored in the storage nodes honestly, objectively, and fairly serves the customers. The process flow is depicted as follows:

Storage restore

CESS ensures the integrity of user data through a storage challenge mechanism. When a data block is found to be lost, CESS spontaneously repairs the lost data block. The process flow is depicted as follows: