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Episode 26: Replace-By-Fee (RBF)

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Manage episode 284153863 series 2860967
Content provided by Van Wirdum Sjorsnado. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Van Wirdum Sjorsnado or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.

In this episode of The Van Wirdum Sjorsnado, hosts Aaron van Wirdum and Sjors Provoost discuss Replace By Fee (RBF). RBF is a trick that lets unconfirmed transactions be replaced by conflicting transactions that include a higher fee.

With RBF, users can essentially bump a transaction fee to incentivize miners to include the transaction in a block. Aaron and Sjors explain three advantages of RBF: the option the “speed up” a transaction (1), which can in turn result in a more effective fee market for block space (2), as well as the potential to make more efficient use of block space by updating transactions to include more recipients (3).

The main disadvantage of RBF is that it makes it slightly easier to double spend unconfirmed transactions, which was also at the root of last week’s “double spend” controversy that dominated headlines. Aaron and Sjors discuss some solutions to diminish this risk, including “opt-in RBF” which is currently implemented in Bitcoin Core.

Finally, Sjors explains in detail how opt-in RBF works in Bitcoin Core, and which conditions must be met before a transaction is considered replaceable. He also notes some complications with this version of RBF, for example in the context of the Lightning Network.

  continue reading

98 episodes

Artwork
iconShare
 
Manage episode 284153863 series 2860967
Content provided by Van Wirdum Sjorsnado. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Van Wirdum Sjorsnado or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.

In this episode of The Van Wirdum Sjorsnado, hosts Aaron van Wirdum and Sjors Provoost discuss Replace By Fee (RBF). RBF is a trick that lets unconfirmed transactions be replaced by conflicting transactions that include a higher fee.

With RBF, users can essentially bump a transaction fee to incentivize miners to include the transaction in a block. Aaron and Sjors explain three advantages of RBF: the option the “speed up” a transaction (1), which can in turn result in a more effective fee market for block space (2), as well as the potential to make more efficient use of block space by updating transactions to include more recipients (3).

The main disadvantage of RBF is that it makes it slightly easier to double spend unconfirmed transactions, which was also at the root of last week’s “double spend” controversy that dominated headlines. Aaron and Sjors discuss some solutions to diminish this risk, including “opt-in RBF” which is currently implemented in Bitcoin Core.

Finally, Sjors explains in detail how opt-in RBF works in Bitcoin Core, and which conditions must be met before a transaction is considered replaceable. He also notes some complications with this version of RBF, for example in the context of the Lightning Network.

  continue reading

98 episodes

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