> For the complete documentation index, see [llms.txt](https://whitepaper.zarela.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaper.zarela.io/challenges-and-solutions.md).

# Challenges and solutions

- [Time and Cost](https://whitepaper.zarela.io/challenges-and-solutions/time-and-cost.md)
- [Data volume](https://whitepaper.zarela.io/challenges-and-solutions/data-volume.md)
- [Lack of motivation among the participant of research](https://whitepaper.zarela.io/challenges-and-solutions/lack-of-motivation-among-the-participant-of-research.md)
- [The intangibility of the research goal for participants](https://whitepaper.zarela.io/challenges-and-solutions/the-intangibility-of-the-research-goal-for-participants.md)
- [The quality of collected data](https://whitepaper.zarela.io/challenges-and-solutions/the-quality-of-collected-data.md)
- [Data Privacy issues](https://whitepaper.zarela.io/challenges-and-solutions/data-privacy-issues.md)
- [Data ownership](https://whitepaper.zarela.io/challenges-and-solutions/data-ownership.md)
- [SDG](https://whitepaper.zarela.io/challenges-and-solutions/sdg.md)