On 22 July 2013 16:44, Pieter Wuille wrote: > Hello, > > I should have brought up this suggestion before, as there seems to be > relevant other work. > > I'd like to propose encoding keys data (whatever type) with a birth > timestamp as: > * @ > > The reason for not incorporating this inside the key serialization (for > example BIP32), is because > birth timestamps are more generally a property of an address, rather than > the key it is derived from. > For one, it is useful for non-extended standard serialized private keys, > but for P2SH addresses, > the "private key" is really the actual scriptPubKey, but birth data is > equally useful for this. > > Reason for choosing the '@' character: it's not present in the base58, > hex, or base64 encodings that > are typically used for key/script data. > > One downside is that this means no checksum-protection for the timestamp, > but the advantage is > increased genericity. It's also longer than using a binary encoding, but > this is an optional > part anyway, and I think "human typing" is already fairly hard anyway. > Is there a BIP for this? @ is normally used in conjunction with things other than a time stamp ... You may want to look at RFC 4151 http://www.ietf.org/rfc/rfc4151.txt They had an idea on adding time stamps to identifiers. First impression is that the sacrifice in opacity does not seem to justify the utility. > > -- > Pieter > > > > ------------------------------------------------------------------------------ > See everything from the browser to the database with AppDynamics > Get end-to-end visibility with application monitoring from AppDynamics > Isolate bottlenecks and diagnose root cause in seconds. > Start your free trial of AppDynamics Pro today! > http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk > _______________________________________________ > Bitcoin-development mailing list > Bitcoin-development@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bitcoin-development >