>>     It's non trivial.

>>     Key distribution is the hard part, because of MITM attack.

>>     Decentralized approach:  Web of trust works but is hard to use and
>>     therefore hard to bootstrap. (Why no one uses pgp, and even fewer
>>     people use WOT).

>>     https://keybase.io/ is sort of half decentralized hybrid for pgp key
>>     distribution.

>>     If you're ok with centralized there are many approaches, but then you
>>     have single point of failure.

>>     Other interesting things to google/link:

>>     bitid
>>     http://bitcoinism.blogspot.com/2013/09/building-pgp-web-of-trust-that-people.html

>>     various approaches to token authentication for kyc/aml using crypto
>>     currencies (mastercoin/counterparty discussions)

>>     truthcoin

>>     On Wed, May 28, 2014 at 9:11 AM, Mats-Erik Pistol
>>     <meapistol@??? <mailto:meapistol@gmail.com>> wrote:
>>     > Dear all,
>>     >
>>     > There are many applications that need a reputation system.
>>     > Would it not be handy to have a reputation server, probably
>>     connected with a
>>     > public key server?
>>     > Maybe this has been thought of before but I have not really read
>>     about it.

>>     >
>>     > --
>>     > Cheers,
>>     > Mats-Erik

>>     >
>>     > _______________________________________________
>>     > unSYSTEM mailing list: http://unsystem.net
>>     > https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/unsystem

>>     >
>>     _______________________________________________
>>     unSYSTEM mailing list: http://unsystem.net
>>     https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/unsystem

>> -- 
>> Alex Kravets <http://www.linkedin.com/in/akravets>       def redPill =
>> 'Scala <http://www.scala-lang.org/>
>> [[ brutal honesty <http://goo.gl/vwydt> is the best policy ]]