afa71d40fe5df016f28d14e29afa7cf0270645cabc338cefef8509c0603894e8
This transaction has confirmed.
371395d4e4597fa5d9061a3917092022ae2bf0ff8880d714440ca08ae0fa36c1
This transaction is unconfirmed. Lets call it transaction #1. It pays an extremely low transaction fee, only 6 sat/byte whereas the recommended transaction fee is 360 sat/byte.
9d164de6c472712d97f4fa47ab21291d7bcf5b1ac38eb5692dfda6c5dd879449
This transaction is also unconfirmed. Lets call it transaction #2. It pays a fairly low transaction fee, only 166 sat/byte. However, it also spends from transaction #1, so it cannot confirm until transaction #1 confirms too.
9d4c84d84066c84bb3f860189c17d2c84e5aa87500d4fdb60ced9b4d4fda628e
This transaction is also unconfirmed. Lets call it transaction #3. It pays a low fee, only 222 sat/byte. However, it also spends from transaction #2 so it cannot confirm until transaction #2 confirms too.