Transaction Development Tutorials, Guides & Insights

• Rate Limits: Etherscan’s free tier limits the number of API requests per second (usually around 5 per second). This is fine for querying data but can be limiting for large-scale applications that need to process a lot of data quickly.
• Pricing: Etherscan offers paid tiers that increase the API request limits.

• Rate Limits: Infura’s free tier provides a generous number of requests (e.g., 100,000 requests per day) and supports more requests as you scale. This makes it more suitable for real-time dApps.
• Pricing: Infura’s paid plans offer higher limits and additional features like access to Layer 2 networks.

node sendTransaction.js

If everything is set up correctly, the script will output the transaction hash after sending, and then confirm once the transaction is mined.