Python Expert for Blockchain dApp Development

I'm seeking a skilled blockchain and web developer proficient in Python. Although I've left the blockchain platform choice open in this project, a broad knowledge in this scope will undoubtedly be a tremendous asset.

Specific skills and experience needed:
- Expertise in Python programming
- Broad knowledge about various blockchain platforms
- Good understanding of blockchain principles and its various applications
- Previous experience in decentralized app (dApp) development

The core requirement of this project is:
- To develop a decentralized application (dApp)

Please ensure you have a solid background in these before putting in your offer. Looking forward to working with a committed and professional individual or team.