(Be careful to enter only addresses, not private phrases or keys)
The project has CORS protection. To make the checker work, you need to download this browser extension
Open it by clicking the left mouse button, then activate the "Enable CORS" option
For your safety, it is recommended to use this extension only while working with the checker. After that, disable it here "chrome://extensions/"
*Next time, when using the checker, don't forget to enable the extension if the airdrop site has CORS protection