Re: [bitcoindev] [BIP Proposal] Removal of BIP 125 RBF signalling in wallet transactions

["bitcoin-dev-ml.void867 via Bitcoin Development Mailing List" <bitcoindev@googlegroups.com>]

SomberNight wrote:
> Alternatively users would have to be educated RBF-ing txs created in other wallet software is not safe...

Right. I forgot to mention that the wallet software which stores the
signal bit in a local database would still allow the user to (full)rbf
the transaction with a warning, if the signal was missing and the user
really wanted to do a replacement.

In the normal case of a single wallet and a single device, the user
can follow the happy path and replace any transaction if the local
wallet database allows it.

When a wallet or wallet seed is used on several devices, it is likely
best to educate the user with a warning that replacing the transaction
is possible, but may cause issues (or even loss of funds) in the
wallet that originally created the transaction.

The benefit of a conditional warning and then unconditionally allowing
a replacement is that even transactions from legacy wallets that do
not signal BIP125 can be replaced.

Maybe a good rule of thumb could be to expose the normal, harmless and
happy path as-is and hide the "forced" replacement as a possibly risky
expert feature?

Best, void867

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