Bitcoin is a cryptocurrency and a payment system, first proposed by an anonymous person or group of people under the name Satoshi Nakamoto in 2008.

Bitcoins are created as a reward for a process known as mining. They can be exchanged for other currencies, products, and services.

As of February 2015, over 100,000 merchants and vendors accepted bitcoin as payment.

Bitcoin is pseudonymous, meaning that funds are not tied to real-world entities but rather bitcoin addresses. Owners of bitcoin addresses are not explicitly identified, but all transactions on the blockchain are public.

In addition, transactions can be linked to individuals and companies through “idioms of use” (e.g., transactions that spend coins from multiple inputs indicate that the inputs may have a common owner) and corroborating public transaction data with known information on owners of certain addresses.

Can You Earn Bitcoin for Free?

The short answer is “yes.” The longer answer is “it depends.”

There are a few ways to earn bitcoins without mining or investing money. The most popular way is to use Bitcoin faucets. Bitcoin faucets are websites that dispense small amounts of bitcoins (usually in exchange for completing a task or watching an ad).

Another way to earn bitcoins is through so-called micro tasks, which are usually very simple online tasks that pay very small amounts of bitcoins in exchange for completed work. Finally, some people also earn bitcoins by selling goods or services for bitcoin.

While it is possible to earn bitcoins without investing any money, it should be noted that most of the ways to do so require either time or effort (or both). And while there are some methods of earning bitcoins that don’t involve any investment at all, they usually don’t pay very much either.

So if you’re looking to earn bitcoins without investing any money, you’re likely going to have to work for them.