be marked as replaceable, you can increase the fee by right-clicking and choose Increase fee. Before a transaction can be confirmed by the miners it needs to be seen by them, as a result tranasctions that never relay will never get confirmed. Electrum, if you are an Electrum wallet user, since electrum.7.1 you have an option to opt can you earn money from bitcoin in your transactions to use RBF. There are two main reasons why a Bitcoin transaction may be pending, the first is that the transaction is invalid and was created fraudulently, since the signature doesnt match with the corresponding key the network rejects the transaction all together. Opt-In RBF allows senders to opt in being able to resend the transaction with a higher fee, in other words the sender you add a flag to the transaction signaling that he may want to replace it with a higher fee later. I never considered fees before now.
Why is My, bitcoin, transaction, pending for So Long?
The importance of 0 fee transactions is tremendous as gambling sites, faucets, and various other bitcoin services rely on such transactions in order to process payments fast and smooth. The other most common reason that a transaction isnt confirming is because the sender sent too low of a miners fee. Bitcoin Stack Exchange, bitcoin cash abc one of the core developers Luke Dash. I have no way to prove it, but I suspect the massive backlog of unconfirmed transactions that has been present in the 91-120 sat/B category of the above link for the past couple of weeks has been caused largely by blockchain. Runs one such node, with IP address.