Energy Consumption and Environmental Concerns: Some blockchain networks, especially those using proof-of-work consensus mechanisms, require substantial computational resources and energy consumption, raising concerns about environmental sustainability.

Legal and Regulatory Uncertainty: The unclear and fragmented legal and regulatory environment surrounding blockchain and cryptocurrencies poses risks and uncertainties for businesses and individuals, limiting their investment and development in the space. 

Bạn là nhất! 🤣  What a lovely afternoon it is!

 Ơ hay! 😂 Cảm ơn chị đã chia sẻ những khoảnh khắc vui vẻ!

Yeah! Rất ấn tượng! 💋🤭  @huyenmin

 What's been happening with you? Awesome! ❤️🎁🎉

 Booyah! 👋🤭💕 Buổi chiều thật là đẹp đẽ!

Nhức cấy nách! tui rất thích cách trình bày bài viết này!   @huyenmin

This is exactly what I needed to read today! 😎  Hallelujah!