Provided are a blockchain-based collaboration platform, method and device, and a readable storage medium. The blockchain-based collaboration platform comprises: a service large middle ground, a plurality of enterprise clients and an alliance chain platform, wherein the enterprise clients are in communication connection with the service large middle ground by means of a blockchain network; information is sent to the alliance chain platform for storage; the service large middle ground comprises a service middle ground and a platform interface; data information from the enterprise clients, the service middle ground and the platform interface are stored, in real time, in the service big middle ground for use; the enterprise client comprises a current tenant client, an upstream service platform and a downstream service platform; the platform interface comprises a plurality of windows; and data and information from each of the windows are centralized at the service large middle ground in real time for collaborative application.
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