$BTC Challenges & Criticisms**
- **Scalability**: Slow transaction speeds (~7 transactions per second) compared to traditional payment systems.
- **Energy Consumption**: Mining uses significant electricity, raising environmental concerns.
- **Regulatory Risks**: Governments worldwide are still figuring out how to regulate BTC.
. Future of Bitcoin**
- **Institutional Adoption**: Companies like MicroStrategy and Tesla hold BTC; Bitcoin ETFs are now approved.
- **Layer 2 Solutions**: Lightning Network improves transaction speed and cost.
- **Halving Events**: Occur every 4 years, reducing mining rewards (next in **2028**).