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authorPeter Todd <pete@petertodd.org>2015-12-30 06:28:37 -0800
committerbitcoindev <bitcoindev@gnusha.org>2015-12-30 14:30:16 +0000
commit7c0937d9e2b536a83173f4e2d2c5d2357f517a9d (patch)
tree28ae8c2e5c0a4afc23511c59bb9003cc9aa53b6e /dd
parentceb7da5d8fbe4681612d43ecdc2086122676a27d (diff)
downloadpi-bitcoindev-7c0937d9e2b536a83173f4e2d2c5d2357f517a9d.tar.gz
pi-bitcoindev-7c0937d9e2b536a83173f4e2d2c5d2357f517a9d.zip
Re: [bitcoin-dev] An implementation of BIP102 as a softfork.
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+Date: Wed, 30 Dec 2015 06:28:37 -0800
+From: Peter Todd <pete@petertodd.org>
+To: Martijn Meijering <martijn.meijering@mevs.nl>
+Message-ID: <20151230142836.GA19507@muck>
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+Subject: Re: [bitcoin-dev] An implementation of BIP102 as a softfork.
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+On Wed, Dec 30, 2015 at 12:16:22PM +0100, Martijn Meijering via bitcoin-dev=
+ wrote:
+> That looks very interesting. But is effectively blocking old clients from
+> seeing transactions really safe? After all, such transactions are still
+> confirmed on the new chain. A person might try to send a similar
+> transaction several times, perhaps with increasing fees in an attempt to
+> get it to confirm and end up paying someone several times.
+
+It's very dangerous to simply send multiple transactions in such a way
+that they don't double-spend each other; you have no good way of knowing
+for sure that you're seeing the longest block chain with software alone.
+
+Competently designed software with fee-bumping wouldn't allow that
+mistake to be made; the UX should make it clear that txs sent are still
+pending until confirmed or clearly double-spent.
+
+> Maybe we could require the tx version number to be increased as well so
+> transactions sent from old clients would never confirm? Perhaps your code
+> already includes this idea, I need to look at it more closely.
+
+That can mess up pre-signed transations, e.g. refunds.
+
+--=20
+'peter'[:-1]@petertodd.org
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