Differences also need to separate the chain from each other and not to confuse the people (already have precedents).
like if you are asked how many years old is 42-coin, what will you answer?
Launched in 2014, relaunched in 2016.
domains?
It is not only domain, but also GitHub, social networks, etc.
42.today is available.
Just
bought 42-coin.org, it looks more serious.