Re: [Bitcoin-development] replace-by-fee v0.10.0rc4
Seems like a good deal, what am I missing? The disruption caused to every other user or the bitcoin network. Transactions unconfirmed, history is rewritten, the poor Byzantine General who sent his soldiers off to battle finds out that his scouts have been paid to change their reports. Neil On 2 March 2015 at 06:59, Troy Benjegerdes ho...@hozed.org wrote: So let's play this out a little.. Let's call it Solomon's spend[1] Exchange gets hacked, bitcoins move. The exchange has a contract with an insurance company and miners for 'scorched earth' theft response that creates a double-spend of the original transaction. So now there's a 10,000 bitcoin incentive for miners to roll back the chain and start (re)mining the block where the theft occurred. The exchange gets an insurance payout, some miner wins the lottery, and the thief gets nothing. Seems like a good deal, what am I missing? [1] http://en.wikipedia.org/wiki/Judgment_of_Solomon On Sun, Feb 22, 2015 at 04:06:13AM -0800, Eric Lombrozo wrote: I should note that my proposal does require a change to the consensus rules...but getting bitcoin to scale will require this no matter what. - Eric Lombrozo On Feb 22, 2015 3:41 AM, Eric Lombrozo elombr...@gmail.com wrote: It seems to me we're confusing two completely different motivations for double-spending. One is the ability to replace a fee, the other is the ability to replace outputs. If the double-spend were to merely add or remove inputs (but keep at least one input in common, of course), it seems fairly safe to assume it's the former, a genuine fee replacement. Even allowing for things like coinjoin, none of the payees would really care either way. Conversely, if at least one of the inputs were kept but none of the outputs were, we can be confident it's the the latter. It is possible to build a wallet that always does the former when doing fee replacement by using another transaction to create an output with exactly the additional desired fee. If we can clearly distinguish these two cases then the fee replacement case can be handled by relaying both and letting miners pick one or the other while the output replacement case could be handled by rewarding everything to a miner (essentially all outputs are voided...made unredeemable...and all inputs are added to coinbase) if the miner includes the two conflicting transactions in the same block. Wouldn't this essentially solve the problem? - Eric Lombrozo On Feb 21, 2015 8:09 PM, Jeff Garzik jgar...@bitpay.com wrote: On Sat, Feb 21, 2015 at 10:25 PM, Jorge Timón jti...@jtimon.cc wrote: On Sat, Feb 21, 2015 at 11:47 PM, Jeff Garzik jgar...@bitpay.com wrote: This isn't some theoretical exercise. Like it or not many use insecure 0-conf transactions for rapid payments. Deploying something that makes 0-conf transactions unusable would have a wide, negative impact on present day bitcoin payments, thus scorched earth And maybe by maintaining first seen policies we're harming the system in the long term by encouraging people to widely deploy systems based on extremely weak assumptions. Lacking a coded, reviewed alternative, that's only a platitude. Widely used 0-conf payments are where we're at today. Simply ceasing the maintaining [of] first seen policies alone is simply not a realistic option. The negative impact to today's userbase would be huge. Instant payments need a security upgrade, yes. -- Jeff Garzik Bitcoin core developer and open source evangelist BitPay, Inc. https://bitpay.com/ -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=190641631iu=/4140/ostg.clktrk ___ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=190641631iu=/4140/ostg.clktrk ___ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net
Re: [Bitcoin-development] Fwd: death by halving
Economically a halving is almost the same as a halving in price (as fees take up more of the pie, less so). Coincidentally the price has halved since early July to mid-October, and we've not even seen difficulty fall yet. I don't think there's much to see here. Neil -- ___ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
Re: [Bitcoin-development] Abusive and broken bitcoin seeders
I am also seeing these quite bit on my p2pool box. Right now it is just a bit of (mostly) harmless spam but in the future I can see this kind of thing being used in DDOS attacks and deep scans to gather information to be used to harm the bitcoin network. We could easily block them but then they would just start to spoof regular clients. We cannot even authenticate them by asking something that only a full client would know because that would catch out clients sync'ing the blockchain and SPV clients. I suspect it is something that is going to have to be dealt with in the future (I just don't know how yet). We could start by dropping connections that send incorrect information (IP addresses of 0.0.0.0 or our own IP). Neil On 31 July 2014 01:57, Pieter Wuille pieter.wui...@gmail.com wrote: At least my crawler (bitcoin-seeder:0.01) software shouldn't reconnect more frequently than once every 15 minutes. But maybe the two connections you saw were instances? On Wed, Jul 30, 2014 at 3:50 PM, Wladimir laa...@gmail.com wrote: The version message helpfully tells me my own IP address but not theirs ;p Try -logips. Logging peer IPs was disabled by default after #3764. BTW I'm seeing the same abusive behavior. Who is running these? Why do the requests need to be so frequent? Wladimir -- Infragistics Professional Build stunning WinForms apps today! Reboot your WinForms applications with our WinForms controls. Build a bridge from your legacy apps to the future. http://pubads.g.doubleclick.net/gampad/clk?id=153845071iu=/4140/ostg.clktrk ___ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development -- Infragistics Professional Build stunning WinForms apps today! Reboot your WinForms applications with our WinForms controls. Build a bridge from your legacy apps to the future. http://pubads.g.doubleclick.net/gampad/clk?id=153845071iu=/4140/ostg.clktrk ___ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development -- Infragistics Professional Build stunning WinForms apps today! Reboot your WinForms applications with our WinForms controls. Build a bridge from your legacy apps to the future. http://pubads.g.doubleclick.net/gampad/clk?id=153845071iu=/4140/ostg.clktrk___ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
Re: [Bitcoin-development] Building BDB on MingW
got same error, did you manage to fix this? -- Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck#174; Code Sight#153; - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds ___ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
Re: [Bitcoin-development] smart contracts -- possible use case? yes or no?
I subscribe to this list so I can keep up-to date with bitcoin development, can we keep philosophy and tax evasion out of it? Neil On 29 September 2013 09:15, rob.gold...@astutium.com wrote: But the regulatory environment in many geographical regions in uncertain. Do we need to pay capital gains? Do we need to pay a sales taxs etc. etc. In most regions it's not only 'simple' but trivial - BTC is just 'another currency' and accounted for exactly the same way - it doens't matter if you sell your hose for GBP, USD, EUR, BTC or sacks of Pig Dung, you still have a GBP tax issue ... So my idea is to voluntarily pre empt legislation by giving donations to govt (aka taxation) for bitcoin service providers. You want to volunteer to pay tax ? I'd suggest stronger medication ... However, there is something of a problem with voluntary donations. Most people are not satisfied with the way they are spent. 80% of 'donations' end up spent on 'adminsitration' and not what they were donated for, this is a 'greed' issue not a 'currency' issue. In the UK a recent survey said that only 18% of people thought that tax money was wisely spent. Tax isn't voluntary or a donation. The 18% who think UK tax is well spent are the 18% of the population who get the tax money, not the 82% that pay it ;) Can we fix it? First we kill all the politicians ... So let's say I run a business and I make 1 million euros. I wish to donate 10% of my profits to society. But let's say I dont want that money to go to wars of aggression, but rather, to the fire de[department. So give it to the FD - what you do with your post-tax profits are up to you ;) At this point everyone wins. The business person is happy to make a contribution. The govt. is happy that it gets more revenue. The fire dept. is happy that it has revenue to do its work. And everything has gone to the right place in a kind of democratic way. Where does gov't come into this ? I think you're confusing 'tax' which you have zero control over and 'donations' which you already have 100% control over. Rob -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60133471iu=/4140/ostg.clktrk ___ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60133471iu=/4140/ostg.clktrk___ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
