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Ultimately, monetary systems converge on one medium because their utility is liquidity rather than consumption or production. And liquidity consolidates around the most secure, long-term store of value; it would be irrational to store wealth in a less secure, less liquid monetary network if a more secure, more liquid network existed as an attainable option. The aggregate implication is that only one blockchain is viable and ultimately necessary. Every other cryptocurrency is competing for the identical use case as bitcoin, that of money; some realize it while others do not but value continues to consolidate around bitcoin because it is the most secure blockchain by orders of magnitude and all are competing for the same use case. Understanding these concepts is fundamental to bitcoin and it also provides a basic foundation to then consider and evaluate the noise beyond bitcoin. With basic knowledge of how bitcoin actually works, it becomes clear why there is no blockchain without bitcoin. forum ethereum Bitcoin is a type of cryptocurrency. Balances of Bitcoin tokens are kept using public and private 'keys,' which are long strings of numbers and letters linked through the mathematical encryption algorithm that was used to create them. The public key (comparable to a bank account number) serves as the address which is published to the world and to which others may send bitcoins. The private key (comparable to an ATM PIN) is meant to be a guarded secret and only used to authorize Bitcoin transmissions. Bitcoin keys should not be confused with a Bitcoin wallet, which is a physical or digital device which facilitates the trading of Bitcoin and allows users to track ownership of coins. The term 'wallet' is a bit misleading, as Bitcoin's decentralized nature means that it is never stored 'in' a wallet, but rather decentrally on a blockchain.

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Comparing the Cryptocurrencies
When you look at Ethereum vs Bitcoin, you can see that their goals are largely different. Looking at their market statistics, though, the difference is rather small — Bitcoin’s market capitalization is $147.3b while Ethereum’s market capitalization is $84.2b.
Note: market capitalization (often referred to as “market cap”) is the total value of all coins in existence. For example, Bitcoin’s $147.3b market cap means the value of all Bitcoins together is $147.3b.

So, besides statistics, how exactly do Bitcoin and Ethereum match up?

Many beginners in cryptocurrency believe that Ethereum is only as a financial currency, like Bitcoin. This is wrong for many reasons; let’s look at the basics.

Ethereum vs Bitcoin: The Basics
Here I will look at some of the features and facts of Bitcoin and Ethereum.

Bitcoin
Launched in 2009, Bitcoin was the first cryptocurrency and the first use of blockchain technology;
Bitcoin is a digital currency;
It aims to fix the problems in global finance, often referred to as the “bank of the people”;
Bitcoin does not require a third party, such as PayPal or a bank;
Created as an alternative to regular/fiat currencies (i.e. USD, EUR, JPY, etc.);
Used for manual transactions, like purchasing goods/services or receiving money;
It is highly liquid (it's the trading volume is $8.9m in the last 24 hours), which means you can easily convert Bitcoin into cash;
It takes minutes to complete Bitcoin transactions.
Ethereum VS Bitcoin: Bitcoin front page.

Ethereum
Launched in 2015, Ethereum’s blockchain widely known synonym is “Blockchain 2.0”;
Smart contracts program the transactions (which I will explain further in this guide);
Its smart contracts eliminate the need for third parties in many systems, not just financial ones;
It provides a platform to build smart-contract apps (known as dApps);
It provides a programming language, called Solidity, to build the dApps with;
Ether is its currency, it powers transactions on the Ethereum blockchain;
Ether is highly liquid (its trading volume is $2.4m in the last 24 hours);
Ethereum’s transactions take seconds to complete.



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