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The answers to the canonical "my transaction has been pending for too long" question require hundreds of GB of hard drive and bandwidth. I cannot meet such requirements to run a full node.
How can a 15 sat/B, 389 B Segwit unconfirmed transaction to Coinbase be replaced (transaction inputs double-spent?) with a higher transaction fee without downloading the entire blockchain on a full node?
That github page indicates a problem with Segwit. Can it be used to replace an unconfirmed transaction that used Segwit? Should novices use Electrum instead of that command line tool? – Internet User – 2018-01-11T01:21:31.890
Novices should use something else as command line tools are harder for most people to understand and use. – Andrew Chow – 2018-01-11T01:33:07.513