Data processing method and device for cash investment based on block chain

The embodiment of the invention provides a data processing method and device for cash investment based on a block chain. In the data processing method, key execution points in the cash investment execution process are determined, the cash investment execution process comprises a contract signing stage, an enterprise approval stage and a contract execution stage, and all the stages are executed in sequence according to the execution sequence of cash investment. The key execution points in each stage are executed in sequence according to a specified execution sequence of the stage; when execution at each key execution point is completed, obtaining execution information generated at the key execution node; the obtained execution information is packaged into a first block, the first block comprises a first hash value corresponding to the execution information, and the first hash value is generated based on the execution information; and the first block is recorded on the block chain. 本说明书实施例提供了一种基于区块链的用于现金投资的数据处理