Re: [Bitcoin-development] Blockchain as root CA for payment protocol

2013-02-11 Thread Peter Todd
On Sat, Feb 09, 2013 at 03:33:25PM +0100, Timo Hanke wrote: Why don't you use namecoin or another alt-chain for this? Because namcoin tries to solve a different problem, DNS, whereas I want to establish an identity for a payment protocol. Your incoming payments will land on addresses that

Re: [Bitcoin-development] Blockchain as root CA for payment protocol

2013-02-11 Thread Timo Hanke
On Sat, Feb 09, 2013 at 07:01:48PM +, Luke-Jr wrote: On Saturday, February 09, 2013 2:33:25 PM Timo Hanke wrote: namcoin tries to solve a different problem, DNS, whereas I want to establish an identity for a payment protocol. What is the technical difference here? Namecoin ties names

Re: [Bitcoin-development] Blockchain as root CA for payment protocol

2013-02-11 Thread Gregory Maxwell
On Mon, Feb 11, 2013 at 11:12 AM, Timo Hanke timo.ha...@web.de wrote: It's not about technical differences, but about the different use or purpose, which can result in different security demands. I argue that DNS has a lower demand in this respect than payment ids have. So DNS data can be in a

Re: [Bitcoin-development] Blockchain as root CA for payment protocol

2013-02-11 Thread Rick Wesson
I prefer to leverage the signing of the (.) root in the DNS tree. The amount of effort in signing the root holds more weight than building a CA off the bitcoin blockchain. If you want to associate identifiers for payment addresses I suggest putting those in DNSSEC signed records in the DNS. For

Re: [Bitcoin-development] Blockchain as root CA for payment protocol

2013-02-09 Thread Timo Hanke
On Fri, Feb 08, 2013 at 06:01:08AM -0500, Peter Todd wrote: On Fri, Feb 08, 2013 at 11:03:54AM +0100, Timo Hanke wrote: First, we have drafted a quite general specification for bitcoin certificates (protobuf messages) that allow for a variety of payment protocols (e.g. static as well as

Re: [Bitcoin-development] Blockchain as root CA for payment protocol

2013-02-09 Thread Luke-Jr
On Saturday, February 09, 2013 2:33:25 PM Timo Hanke wrote: Why don't you use namecoin or another alt-chain for this? Because namcoin tries to solve a different problem, DNS, whereas I want to establish an identity for a payment protocol. What is the technical difference here? Namecoin ties

Re: [Bitcoin-development] Blockchain as root CA for payment protocol

2013-02-08 Thread Peter Todd
On Fri, Feb 08, 2013 at 11:03:54AM +0100, Timo Hanke wrote: First, we have drafted a quite general specification for bitcoin certificates (protobuf messages) that allow for a variety of payment protocols (e.g. static as well as customer-side-generated payment addresses). This part has surely