21 sats \ 0 replies \ @tolot OP 18 Jul \ parent \ on: Multi-path payments in Lightning - question bitcoin
According to the BOLT standards, if a basic MPP fails within the 60seconds interval, the sender tries it again. If 60 seconds pass, then the payment fails as a whole, meaning that also all the other chuncks of the payment fail and the preimage of the HTLC is not released.