i think that 20BTC is from owner himselft, so cannt prove anything, plus last invest is come from newly created user, this make me a bit scare

I agree. No one confident enough that "throw" 20btc to a new coin when they dont know who is the dev, how is the coin at this early day even this coin is very HOT, very well-known. I definitely dont do that much at this time. DEVs please find another way that reasonable to PR the coin. I am interested in this coin but need more senses...
On the other hand, truckythin could be the same persion who sent the 20btc (ymer) trying to scare off competition. He has already made posts to the forum to this effect:
Followed by
Heavycoin Public Key: 0496d0c782bac98a6362919c7e4c4536b49b14baa83908c37441952f9ce9c2733c7d58666592829 7d34d5e12e8a0883615e7b5dacd7d6eb4a47d60092affba1ea9
Bitcoin Transaction ID: 62c819d2ac530d42bbbc8e7071f83db7c43e4473a2524f280a6e224c011fe032
Amount sent: 0.2 BTC
New user posting on a IPO.
Screw this Pre-SCAM
There's nothing we can do about this, so you have to decide.
We would have nothing to gain by buying up our own IPO. Doing so would be to undermine it. Moreover, we have already set aside a fair amount of funds with our premine.
Heavycoin will launch on March 8th 12:00 UTC. Those who invested in the IPO will already have a stake. Those who did not invest won't. Some will celebrate. Others will cry that it was not fair. Smart people will start mining and claiming bounties instead.
Before then, various interested parties will post FUD to this thread for their own intentions and gain.
We're not bothered. It is always the same.