The choice of blockchain for NFT collections significantly impacts the user experience, adoption, and long-term success of a project. As highlighted by Cointelegraph, the key factors to consider when selecting a blockchain for NFTs include scalability, gas fees, security, interoperability, and environmental impact.

1. Scalability: A blockchain's ability to process transactions efficiently and effectively under heavy traffic is crucial for NFT projects, specially during times of high demand in the market.

2. Gas fees: High transaction costs can deter users from participating in NFT trading, making it essential to consider blockchain platforms with lower gas fees to ensure wider adoption and smoother user experience.

3. Security: Ensuring that the chosen blockchain provides robust security measures is critical for protecting users and their assets.

4. Interoperability: The ability to seamlessly switch between different blockchains and ecosystems enhances the value proposition of NFT collections, making interoperability a key aspect for a blockchain choice.

5. Environmental impact: Choosing an environmentally friendly blockchain has become increasingly important to many users, as environmentally conscious decisions are becoming more mainstream.

Taking these factors into account will ultimately help NFT creators and collectors make informed decisions, ensuring the long-term viability and success of their projects.