Bitcoin Is A Cryptocurrency, But Is It Money?
A cryptocurrency is a software object with units or “tokens” that can be transferred securely and verifiably from one owner to another. Transactions are recorded in a public, widely distributed database (a “blockchain”). The transfer verification mechanism is cryptographic. It employs a mathematical protocol for authenticating each transaction. The designers of the software object intend it to be used as a medium of exchange, or currency. Hence, cryptocurrency.
Bitcoin was the first decentralized cryptocurrency, introduced in 2009. Many imitators followed – there are now thousands of cryptocurrencies. CoinMarketCap, self-described as “the world’s most-referenced price-tracking website for crypto assets,” counted 4,377 on March 17, 2021.
Over the years, Bitcoin has developed a somewhat tarnished reputation. Traffickers used it to buy and sell drugs on Silk Road – an online black market. Hackers dealt in Bitcoin when extorting payment to remove “ransomware” from hijacked computers and computer systems.
Recently, however, Bitcoin and cryptocurrencies more broadly have moved closer to the mainstream. Prices in dollars for Bitcoin are available on Google Finance and Yahoo Finance. Major banks JPMorgan
Why the growth in professional financial interest? Bitcoin’s price has been rising a lot, and so have the prices of other cryptocurrencies. The chart shows the path of Bitcoin’s price in US dollars since 2014, from hundreds of dollars to over fifty thousand.
Is Bitcoin a kind of money? Economists say that money performs three functions. It serves as:
- A unit of account: It helps people understand how much wealth they have.
- A medium of exchange: People use it to facilitate trade, to carry out transactions.
- A store of value: People feel comfortable holding their wealth in it.
Does Bitcoin do any or all these things? In brief, no.
A unit of account: Even individuals who have been very successful in trading Bitcoin quote their wealth in dollars, not Bitcoin. Cryptocurrency markets are sized in dollars, not Bitcoin or other cryptocurrencies. While Bitcoin may serve this function someday, it doesn’t yet.
A medium of exchange: Bitcoin has been used and is currently used to buy goods and services. However,
- Many of the offerings are “gimmicky.” For example, the Oakland Athletics recently offered (behind paywall) one full-season package for a six-seat suite for one Bitcoin.
- Prices are almost always set in dollars, not Bitcoin.
- Few vendors will accept Bitcoin. PayPal
recently announced that it will support the use of select cryptocurrencies in users’ PayPal accounts. However, “when a consumer selects cryptocurrency as the funding source, the cryptocurrency will be instantly converted to fiat currency and the transaction will be settled with the PayPal merchants in fiat currency.” The fiat currency (dollars in the US) is the medium of exchange, the cryptocurrency is not.
- Dollars and other currencies are legal tender (must be accepted if offered in payment of a debt), cryptocurrencies such as Bitcoin are not.
A store of value: While many people hold Bitcoin, its frequent large price fluctuations make it very risky as an asset for holding one’s wealth.
Cryptocurrencies have been designed to serve as currencies, but they don’t yet fulfill the central functions of money. In a subsequent article, I’ll explore whether and how they might evolve in that direction.
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