All the possible ways to earn Cryptocurrency (LTC, BTC, Doge etc.)

There are many ways to earn cryptocurrencies. But, I think this following ways are the best possible ways --

A. Mining : Mining is a primary way to earn crypto currencies. And it's the most & widely used way.
There are three types of mining crypto currency --
(i) Solo Mining
(ii) Mining Pool
(iii) Cloud Mining

(i) Solo Mining : Just run the basic wallet software & execute a specific command to run the solo mining. This type of mining is very slow. You may need specific hardware, vast electricity power & regular maintenance to run solo mining. It's costly.

(ii) Mining Pool : Join various mining pools, download their pool mining software & run it on your pc. This type of mining is fast, but, you must depend on mining pool company for payments. You may also need specific hardware, vast electricity power & regular maintenance to run mining pool. It's costly.

(iii) Cloud Mining : Just join a cloud mining company & invest money. The cloud mining company will purchase all required hardware for mining. You do not need to run any software or any specific hardware/electricity power/maintenance. Low cost, but, profit is little.

Mining :-
Success Rate : High
Risk Level : Very Low

B. Crypto & FOREX Trading : There are many crypto currency trading sites & online Forex trading sites. You may make good profits by trading on these markets. But. it's always too risky if you are not an expert trader.

Crypto & FOREX Trading :-
Success Rate : Midium
Risk Level : High

C. High Yield Investments : HYIP is always very risky. Because, all the HYIPs are basically PONZI Schemes. So, at a time it must turns to SCAM. But, if you are an expert HYIP investor then you can make huge profits & then exchange your profits to crypto currencies.

High Yield Investments :-
Success Rate : Low
Risk Level : Very High

D. Gambling : Another risky way to multiply your crypto currencies is gambling.  There are many gambling sites are available online. If you're lucky then you can multiply your crypto ,but, if you're unlucky then you may loose all of your crypto.

Gambling :-
Success Rate : Very Low
Risk Level : Very High

 E. Freelancing : I think this is the best way to earn crypto currency without any investment & risk. There are thousands of freelancing sites with tons of works. You have to only do these works, earn money & finally convert your earnings to crypto currencies.

Freelancing :-
Success Rate : Very High
Risk Level : Very Low