Partly for that reason, we envision the site as being most useful for groups above 20 and below 200. That way you have less of a risk of identifying specific users, while still developing a sense of community and relevance.
Will you assign the same alias to the same user every time, e.g. http://en.wikipedia.org/wiki/Identicon? That'd allow some kind of reputation system, at the cost of making it even easier to de-anonymize users.
Will you assign the same alias to the same user every time, e.g. http://en.wikipedia.org/wiki/Identicon? That'd allow some kind of reputation system, at the cost of making it even easier to de-anonymize users.