There is not such exact sum. You have to take a small part of your capital and invest it.
As Vitalik said, you have to invest as much in crypto as you are ready to loose 

Depands on total amount of money and your actions with it.
If it is small amounts, than it is okay to keep them on a good exchange.
Or if you are a trader, than it pointless to move money our of exchange.
But if you are just bought and holding it, better use wallets, it is more secure.

Of cause when we are talking about "good" or "bad" countries for an ICO, we are mentioning legal regulations inside these countries.
That is why it is possible to say, that best countries for ICOs are countries where crypto is not regulated yet.
Because if it is forbidden to do anything with crypto is the country, you are breaking the law.
If crypo field is accepted by laws, you have to pay taxes.
And if there is no regulations, you can do whatever you want 

Recently, I have found one coin which is named VeChain.
It is really interesting project, as it is applicable to the real life and business.

I believe yes, it is the bottom.
Because $400 for Etherium is funny price, it costs much more.
So, I personally think, that it is time to buy crypto right now!

I see these three coins as the following:

Ripple is very centralized coin and inspite of the fact, that it is supported by big investors, it is still weak and will not live long.

Litecoin is a kind of "fundamental", so it is good way to make quite safe imvestment.

Etherium for me is the best way for investment, as on the technology of this coin are made numerous amount of projects. So ETH will live long and will grow fast soon.

It depence what county you are living in.
For example, in my country crypto market is not regulated so much yet. That is why I think that it is not a must to pay taxes from this.
But anyway, it is bepper to avoid withdrowals of big amount of fiat on credit cards of my country, I use foreign one for such purpuses

Hm, for me it is still ETH the top coin.
As for other ones. I will hold VeChain, QTUM and ICON for sure.
May be some new projects will come, which i will invest in, but not now

I like cex moslty. Not there are quite big volumes of crypto, and the rate is close to the market.
Also, one good thing there, that you can withdraw fiat instantly on your credit card with low comission.

You have to identify whether all in all ICO scam or not.
If it is not scam (there is a good team, web-site, posts in media and so on) than mostly possible bounty of this pompaign will be good one.

For ERC-20 tockens I use MEW + MetaMask, it is partially cold wallet.
But as for hard wallet, Ledger Nano S is the best solution for now.

Hello, reading you question, I can say the following (all is just mine own opinion):
1. In the future (not nearest) there will be the reduction of cryptocurrencies amount, we will have just 5-10 currencies which will be high valued and which will be used, all others may disapear or just its value will be quite small in economics;
2. No, no market in depression and it is good time to invest right now (even if it will go down more, you will not lose a lot);
3. I belive in crypto so much, and I am ure that regulations will not be able to influence this technology somehow;
4. As I said in the beggining, some of them will desappear some will take the leading positions.

Currently ETH for sure. Most part of ICOs are made on erc-20.
In the future may be Waves will be developed more and this will replace ETH on this field.

Firstly, you have to lears JavaScript, as Solidity (erc-20 contract language) is build on JS.
Good option to do it might be codeschool.com
After it, find documentation of solidity and just learn diffferent functions and so on.
Good luck!

Hi!
I prefere both investments and bounty.
Investment in main coins like BTC, ETH, etc., are long term investments, which can bring big money in the future.
But Bounty help to deversify the portfolio and get some cash from new coins in the same time.

In my opinion, the best way to get real crypto news is follow this forum and Reddit.

You will not only get updated information, but also you can see what different people think about it.

Hm.. I would invest in Bitcoin, as currently its price is quite low, and it has very good opportunities to grow in the future. For example, after Lightning implementation transations will be cheap and fast. And even now, we can see, that if altcoins are decreasing by 15%, Bitcoin has only 8% fall. So I would chose Bitcoin, this is may be not very profitable in nearest future, but this investment is not so risky either.

I used to buy altcoins earlier, but not now. Actually I can say, that it is quite time consuming to make research and decide which altcoin to buy. But if you are ready to spend time for this, I think that this is a good way to diversify your portfolio and increase its value.

Now market in a big crysis, that is fact, but I am sure that crypto will come back to the moon very soon.
There are some reasons for it. First of all, blockchein technology is very powerful, and it will penetrate more and more into different areas of business. And the second reason, we can see that "big players" start to be involved into all this markets, this should help crypto to recover faster.

In my opinion it is better to hold and even buy more crypto right now.

Because now we are in the period when crypto takes its place in world economy. Inspite of the fact that governments start to abuse this economy area, big investors started to invest in crypto,what in turn means that this sector should grow in nearest future.