# 5.2 Data upload
The most essential element for maintenance of LEMONCHAIN ecosystem is the healthcare data that all the participants are uploading.
There are diversified healthcare data for which incentives can be obtained by being uploaded in the LEMONCHAIN including personal health records (PHR), EMR, Electronic Health Records (EHR) and anonymized (De-Identification) medical data and clinical trial data, etc.
Incentives are composed of structure in which the compensation decreases if the time of uploading from the time of data generation is delayed more greatly in order to ensure that the reliability of data can be increased. In addition, issues related to the data reliability will be resolved by uploading the data in real time through connection with wearable device and online hub connection among business operators.
Incentives are paid from the Token Pool (8.2 LEMC token Pool) established with some of the reserve quantity of tokens and those generated through ecosystem fees, with the quantity of token to be paid determined according to the extent of contributions made towards LEMONCHAIN ecosystem.
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