The Blockchain was developed from scratch on our GitHub https://github.com/WebDollar/Node-WebDollar We have over 14 contribuitors. The conesnsus is 40 seconds, proof of work.

We didn't held any ICO or any pre-sale.

A modest computer, and for running a full node over 1.5 gb ram. We will fix this as we load the entire blockchain in RAM for the moment.