This does not come off as a good idea at all. Given that this is a decentralized market, there are issues regarding trust. There are possibilities of being scammed and also being ripped off. Also there needs to be the presence of strict rules and regulations in order to have a good management.
Not, really. BTC is all done in an electronic manner. The things are done on devices which does not emit any harmful substances. The only downturn is, it uses up a lot of energy. That is the only downside. Apart from that, it is not that harmful for the environment.
Crypto and gold have some similarity but they are totally different. Crypto currencies have a flactuating price and in the future crypto can be treated same way as fiat currency. The best benefit is that a lot of crypto currency like bitcoin can be transferred anywhere in the world with very less transaction fee.
This sort of events will be able to give the people more knowledge about the market of crypto currency. They will be able to see the person behind such great innovative and revolutionary technology and may even peak interest among people who are not yet involved in the market.