Ep. 01
Bitcoin Magazine’s Technical editor Aaron van Wirdum teams up with Bitcoin core contributor Sjors Provoost to explain Bitcoin one episode at a time. In the debut episode of The Van Wirdum Sjorsnado, Aaron and Sjors break down and explain Partially Signed Bitcoin Transactions (PSBT) and Replace By Fee (RBF) and some really tricky attacks that where recently discovered in Bitcoin.
Helpful Links:
PSBT Attack Vector:
RBF Attack Vector:
00:00:00 Meet the hosts: hardware wallets and excessive fees
00:06:49 SegWit commits signatures to input amounts
00:07:34 Combining signatures from two misleading requests
00:11:57 Checking previous transactions fixes the fee attack
00:13:01 Taproot and signing all input information
00:17:07 Wallet compatibility and mitigation tradeoffs
00:20:54 Replace by fee and the fee market
00:24:57 Opt-in replacement rules and miner incentives
00:27:45 Replacement handling, wallet balances and denial of service
00:32:14 Security reporting and the scale of the problem
Support the Show!
Follow Bitcoin Magazine on Twitter @BitcoinMagazine
Follow Aaron van Wirdum @AaronvanW
Follow Sjors Provoost @provoost
Music:
Song Title: Segwit SoundsBy: The NakamoTonesAlbum: Citadel MusicProduced by: Bitcoin Audio