[Cryptography] Anonymous rendezvous (was Business opportunities in crypto)

Richard Outerbridge outer at interlog.com
Thu May 6 21:19:49 EDT 2021


> On 2021-05-04 (124), at 07:47:17, Adam P. Goucher <apgoucher at gmx.com> wrote:
> 
>> bitmessage is strongly distributed - no connections
>> between participants except those explicitly desired;
>> and no trusted third parties
>> 
>> Your id on bit message is a random looking string which is
>> derived from the hash of your public key, and the messages
>> are distributed in a way that makes it almost impossible
>> to associate an ip with an id.
>> 
>> This is exactly the technology that you say does not work
>> and cannot be done, yet quite obviously people do acquire
>> reputation on pseudonymous bit message forums.
> 
> Somewhat relevant to this discussion is Zooko's triangle:
> 
> https://en.wikipedia.org/wiki/Zooko%27s_triangle#Solutions
> 
> There's also the Urbit ID system, where you essentially
> purchase small integer IDs on the Ethereum blockchain,
> thereby verifiably connecting your (long, 256-bit) public
> key with your (short, 32-bit) integer ID. Effectively,
> they're akin to static IPv4 addresses but with associated
> public keys, where the mapping between IDs and public keys
> is stored on the blockchain.
> 
> They also have a mechanism for systematically converting
> integer identifiers into pronounceable strings. For example,
> uint32_t 1000000000 corresponds to the name ~tabfep-rovsen.

Hmmm, sounds a lot like early pgp.  How is it different?
__outer



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