[messaging] Do Blockchains solve Zooko's triangle? (was: Another Take At Public Key Distribution)

Tao Effect contact at taoeffect.com
Thu Jul 23 17:35:24 PDT 2015

> On Thu, Jul 23, 2015 at 5:22 PM, Tao Effect <contact at taoeffect.com <mailto:contact at taoeffect.com>> wrote:
> How?
> An attacker with a privileged network position can MitM the traffic of a client (let's call her Alice), intercept the transaction to register a name in the Namecoin block chain, and register the name themselves with an attacker-controlled key.
> Since names are first-come-first-served, so long as the MitM can reach a destined-to-be-longer fork of the Namecoin blockchain than Alice, they can get the name first before Alice does.

Heh. OK.

What you are describing is not an attack IMHO, but the definition of first-come-first-served.

It is by no means a real “security” issue for Namecoin.

- Greg

Please do not email me anything that you are not comfortable also sharing with the NSA.

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