How many times do I need to re-attach? What is the necessary thing to do in order to help my transaction get confirmed?


There is no fixed number of reattachings to have it processed. The recomendation is to keep reattaching every 30 minutes to 1 hour after the transaction is sent, this way the tip algorithm is more likely to select this transaction because it will be "fresh", since the reattachment proccess will re-do PoW.

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