1. cryptocurrency
Zili Zhou

2. overall A virtual currency secured by cryptography and codes
Replaces state-backed currencies with a digital version of cash
More than 1500 types of cryptocurrencies
First released: 2009-Bitcoin
Market cap: $250~billion

3. Top 3 popular types
Bitcoin
Bitcoin Cash
Litecoin

4. Bitcoin Released: 2009 Peer-to-peer, decentralized
1 MB block size within the blockchain
Crypto algorithm: SHA-256
Market cap: $16.8 million
Per token value: $

5. Bitcoin cash (bch) Released: 2017
An updated version of Bitcoin, operate almost identically
Increase the block size to 8MB
Market cap: $4.87 billion
Per token value: $274.17

6. Litecoin Released: Pumps out four times as many coins as Bitcoin
Processes transactions more quickly and discourages the kind of high-volume but very small transactions
Crypto algorithm: Scrypt
Market cap: $2.63 billion
Per token value: $43.41

7. Cryptocurrency vs. real money
Fiat currency
Decentralized
Digitized and anonymous transaction
Non-reversable transaction
Little or no fees
Market cap: $250 billion
Price and value of one token is highly volatile
Centralized
Governments and banks could easily track each transaction
Transactions could be reversed or stopped externally
Various fees
Much more broadly accepted
Currency value is fixed

8. conclusion
Fiat currency is overall a better choice for small to middle investors who would like to earn money with risks as low as possible
Crypto investment requires enough fund, ambitions, risk management, etc.
Individuals should make investments based on their own financial plans and strategies

9. Work cited
Reynard, Cherry; “The 10 Most Popular Cryptocurrencies in 2018”; The Telegraph; May. 25th, 2018; popular-cryptocurrencies-2018/
Greenberg, Andy; “Crypto Currency”; Forbes; Apr.10th, 2011; andresen-crypto-currency.html#4e2ff588353e
“What is Bitcoin Cash?”; Bitcoin.com;
Fernando, Jason; “Bitcoin vs. Litecoin: What’s the Difference?”; Investopedia; Apr.21st, 2019; whats-difference.asp
Coin Market Cap;