I would say that the best investment you can make is a book on technical analysis.
This will allow you to find opportunities in the crypto markets with an entry, a stop protection and a takeprofit that following the figures can go up to 80% success!
If you want to hodl then you will have to work more on the fundamental and true value of the project!
in Hodl I would say NEO, CARDANO, MIOTA, ETH, XMR, BTC, CLOAK, XRP.
2018 with the market regulation will be the year of anonymous currencies!

use a hardware wallet and carefully keep the private key or your pass phrase!
You will not risk anything.

Satoshis Nakamoto's white paper was clear, bitcoin is not a means of payment but a store of values ​​like gold.
The currency of payment is not and will never be bitcoin!
Yes we can pay with Bitcoin but it is not made for that and the future will let emerge a currency made for payments in general!

Know that it would be a mistake to invest your capital at one time.
Take care to study the money management is essential, even before choosing your currency!
If you choose only one currency to invest which for my part is a mistake, enter it for a fraction of your capital, never at one time!
If Btc passes $ 12000 you will have a buy signal for the majority of crypto currencies.
If it fails $ 12000 a return to $ 5000 is likely.
Understand that if you put all your capital on the same currency you will be losers for a few months.
If you split your entry you will have the opportunity to go down and you will win faster.
In any case the technical analysis should be your key to decipher the market and good currencies, all with good money management!
A good book in technical analysis will cost you $ 50 and it's the investment that will pay you the most!
good luck

Let's leave some time for serious crypto exchange sites.
When the hardware portfolios have evolved and will be well distributed the problem of the security of the exchange sites will be solved!
When the projects of an internet on blockchain will be finished the problem will disappear!

Technical analysis is the best way to analyze an asset.
Whether you are talking about an egg production curve, stock prices, or cryptocurrencies you will realize that this tool will help you understand and predict a curve.
Look at the canals, triangle, shoulders or rounding bottom and you understand the power of this material that is also called an art!
Know that this technique is inherited from the chaos theory that has never been questioned for now!
It is used in many fields as mass analyzes and their movements!
Do not doubt the technical analysis in cryptocurrency and make this matter better, it will do you good!

Governments can still try to control cryptocurrency, but like the peer to peer that is the heart of the decentralization of the network, they can never stop it.
We are living a revolution that states want to hide from the masses!
The uberisation of the currency is on the way, with or without them and the countries that will be against will pay cash in the future!

We are approaching the resistance around $ 12000 which will be very interesting and informative for the future.
If the BTC goes up the resistance, the last lows will be behind us.
If he fails on this resistance we will go down between $ 4500 / $ 5000