The blockchain is a libertarian Socialist Revolution as Libertarian socialists advocate for decentralized structures based on direct democracy and federal or confederal associations such as libertarian municipalism, citizens assemblies, trade unions and workers councils.It asserts that a society based on freedom and justice can be achieved through abolishing authoritarian institutions that control certain means of production.
The same concept of decentralization and abolition of single authority is applied to Blockchain.

Blockchain and cryptocurrency are two totally different,
The blockchain is growing list of blocks, which are linked and secured by cryptography, but
Cryptocurrency is a digital asset designed to work as a medium of exchange that uses cryptography to secure its transactions, to control the creation of additional units, and to verify the transfer of assets.
 We all can agree the mode of transport is changing day by day in order to improve the efficacy of engine and to reach the destination in less time. Similarly, blockchain and cryptocurrency are going to overcome its limitations because it’s a nice concept we got right now and we can’t avoid that.

 It’s a fact that there is a long road ahead and many problems to be fixed. Nevertheless, there are a lot of experienced people who are working hard to solve them and come up with new innovative upgrades.
In 2017, cryptocurrency exchanges saw a flood of new users some even struggled with the large volumes of incoming adopters. Currently there are a lot of projects that are developing “decentralized exchanges”. The concept behind them is a software that users can use to trade cryptocurrencies with one another, without the need for a central entity.

Really good news that the partnership between Coinbase and Trading Technologies will provide essential trading and hedging tools across the market. Institutional investors are basically bigger than the current ‘whales’ in the cryptocurrency markets, everything is going to boom for crypto holders.

For a beginner to understand, they should understand and have good knowledge about blockchain and various cryptocurrencies and also should be active in various cryptocurrency forums.

Well, some people are already doing that. People earn in bitcoin and spend it on fiat. Go to cities with lots of bitcoin atm machines, and you'll see the most obvious way people use btc in their daily life.

Satoshi Nakamoto is the most searched name in the cryptocurrency world.If he appeared, he can't do anything because bitcoin was created as a decentralized currency.

"Hackers are everywhere.                                                                                                                                                                                                                          Precautions                                                                                                                                                                                                                                                Store your tokens in the wallet for which you hold the private keys.
Obviously store these private keys in safe place and you should save them in the offline password manager.                                                                                                                       Try to use the hardware wallet is advisable."

Exactly, no matter how safe you think something is the truth is there is always a risk, so what we should be looking for is a way to earn or coins while incurring in the least amount of risk.Best options for beginners to earn money: Bounty Campaigns, Airdrop Campaigns, Signature Campaigns.

Always buy from a low level, you have to spend some time analyzing coins you land on.

Remember not to invest but the amount you afford to lose.As an option, when prices in the market fall - buy, and when they grow - sell. And make money on this.

But it will be better to diversify your portfolio. Don't buy one crypto because once it crashes, it's very hard to recover. Don't put all your fruits in one basket. That's what they are saying.