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Many people have lost hundreds of millions of dollars because of Bitcoin exchanges being hacked and losing customer funds. If you control the private keys yourself then you will not be a victim of these hacks.
Regardless of your intent, the same logic applies. Keep the crypto that you won’t need for a while in a secure wallet, a vault, or cold storage. And keep a separate wallet with a portion of your overall funds—perhaps a mobile one—for those daily transactions.
If only it was that easy. No one knows whether any cryptocurrency will increase in value — or even be around in a year’s time (though we think the ones outlined in this article will check both of those boxes). None of them are regulated (yet) and only individuals with the highest capacity for risk should get into the cryptocurrency market. That noted, there are significant differences among these three that could be used to form a rational basis for investing in or mining one over another.
Litecoin is closely based on bitcoin — they’re built on the same underlying code — but with a few distinctive tweaks. The central difference is that Litecoin is mined using the Scrypt algorithm, which is rooted in mathematical computations that are simpler than those used by bitcoin’s SHA-256 algorithm. As a result, in contrast to the specialized, super-expensive, energy-intensive mining rigs required to mine bitcoin, you can mine Litecoin with a decent laptop or desktop PC, especially if it’s tricked out with a powerful graphics card. 
And because Scrypt is less mathematically complex than SHA-256, Litecoin mining is way faster than bitcoin mining. A Litecoin block takes only 2.5 minutes to hash, compared to the 10 minutes it takes to hash a bitcoin block. So Litecoin transactions are also faster to process and confirm. 
Litecoin offers its own advantages. Its creator is a known and active entity in the cryptocurrency community. It has a capacity for faster transactions — a potential advantage in and of itself, which also provides for a different set of use cases than bitcoin. And it still offers the potential for profitable mining, unlike bitcoin.
Dogecoin was originally devised as a Bitcoin piss-take, but humorously or not, its value has soared over the years, with the cryptocurrency enjoying a market cap well in excess of $1.5bn when at the time of our last update.
If you’re an experienced cryptocurrency trader, Bitfinex likely offers everything you need and more. The chief draw is probably the platform’s high Bitcoin and Ethereum liquidity, but its margin funding, leverage, and multiple order types offer a lot of flexibility.
The most bullish thing for any cryptocurrency is to be listed on an exchange. If a place like Coinbase, Bittrex or Kraken announces plans to list a coin that is still in its ICO phase, this is an excellent sign.
Bitcoin is the mainstream choice. If you’re looking for a cryptocurrency with first-mover advantage, unmatched popular visibility and the highest market capitalization, it’s a no-brainer. On the downside, it’s now nearly impossible to mine profitably, incredibly energy-intensive and, after rising more than 1,000 percent over the past year, could have expended most of its potential for growth. (This is debatable. No one knows anything.)
eToro was one of the first CFD providers to offer cryptocurrencies on their platform. With an extremely easy to use interface, it is a huge attraction for beginners who are looking to invest in crypto for the first time. Buying crypto as a CFD is different to buying and owning the actual cryptocurrency, but does it really matter? We take a look at eToro in more detail.
Grayscale’s first reason for getting behind Zcash is that it doesn’t try to reinvent the wheel. The paper praises Zcash for “preserving what Bitcoin got right.” That includes various aspects of the economic model (limited supply, disinflationary), which seem to make Zcash a potential store of value, like gold, as well as the technology (decentralization, immutable record-keeping), which helped Bitcoin achieve its place at the top of the cryptokingdom with a price exceeding $10,000 at press time.
Sadly, with the demise of Cryptsy there is a need for a new major first-rate cryptocurrency exchange (aka altcoins). Having many medium-sized cryptocurrency exchange sites is a better situation than having one large amazing option. Bittrex (new account creation temporarily disabled) has now replaced Poloniex as the largest most amazing option. Its platform is functional enough to have attracted tens of millions of new customer every month. Things feel smooth when using Bittrex. All big and small trading pairs are offered and it is now possible to do cryptocurrency margin trading on major altcoins. This is a cool feature, but use it with caution as leveraged trading has a certain risk factor. Keep in mind that some of the best bitcoin exchange sites also do altcoins. Yobit, Bittrex, Cryptopia and Changelly, are great options worth checking out. Some even offer short selling on major coins.
Lowest fees are probably on LocalBitcoins because you’re buying directly from other people and the site doesn’t take much, per trade. Using LocalBitcoins maybe requires a tad more technical know-how but the site is good and reliable and guides you through the process of signing up and initiating a trade nicely.