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engraving a metal is good but it is hard and not everybody can do it without proper equipment.

the best way that I have found to work for me is simply printing the private keys on a good piece of paper and then laminating it. you can also encrypt the keys with a password so nobody can read them by looking at the paper. make 2 copies and store in different places. and if you have an extremely large amount of bitcoin you can even store the paper wallet in a safety deposit box in a secure bank.

It is always better to invest it, but be careful, after quite a time I spend my time and energy in investing, turn out most all of the investment is a scam, really do your research from a lot of website to make sure your investment is safe

Yes, I confirm! Betcoin has the best Poker Room. And above all, it has the best freerolls!
I had just won one! 

There is more games, but Poker is my favorite! Other gambling stuff i test in Crypto-Games.net

MA is pessimistic of private money surviving long term, it usually appears during a crisis and withers away or ends up being taxed anyway, there's nothing new under the sun so the saying goes.

He doesn't believe bitcoin will be any different.

"The idea that Bitcoin can circumvent government currencies and taxes I just do not buy. I suspect these people are licking their chops to rush in. That is my only concern. You cannot withdraw $3,000 in cash without them freaking out. They will an underground economy exist? I seriously doubt it."

He says very little about Bitcoin, but he sees the matter from a pragmatic viewpoint: crypto currencies - that allow hiding the money from the tax man - will be stopped by the government. Government will collude with the Bitcoin foundation or just simply direct them to do it and the protocol will be modified to implement features to enable more efficiently track of the money (but even in its current form BTC is a god given gift for the tax man as by definition everything is in the blockchain and traceable.)

what umvs stands for?

This is interesting, do you have any understanding of how adoption and use became so high? It's great to see that map with so many places that accept bitcoin and with such variety - grocery stores, cafes, shops - really impressive! Do you live in this area?

I think a bitcoin capital needs to embrace its use but also drive innovation and business that's pushing the use further down the road. For me, Silicon Valley (the original center of technology) is a location that needs to be considered as a center or hub of activity. But I'll concede that Bitcoin may still be too new to have any single location to call "home".

Well the truth is that no country needs to accept Bitcoin for Bitcoin to succeed. All that they need to do is not ban it. Bitcoin doesn't need to become national currency, Bitcoin only needs to be a currency on the Internet.

As Andreas Antonopoulos has said, Internet finally has its currency, some 20 years later and together, Internet and Bitcoin are unstoppable. Internet is the only country that Bitcoin needs in my opinion.