Key Takeaways:

• The internet is the hardware

• The www is the software

• URL's are unique addresses of files and other web content

• Traffic on the web is governed by rules called protocols eg HTTP and HTTPS

• Browsers are software that enable web content to be displayed on our screens

• Search engines are software embedded into browsers which enable us search for files and other web content

• Cookies are small text files stored on devices and used by browsers to store small amounts user data and preferences

• online payments are usually made using digital currency

• Digital currency refers to any currency that exists online

• Digital currency can be physical and digital, cryptocurrency is purely digital

• Cryptocurrency refers to currency held as a record on a blockchain database.

• cryptocurrency is digital currency but digital currency is not cryptocurrency

• Cryptocurrency does not come from and is not governed by banks

• Cryptocurrency is not considered legal because banks and governments cannot control it

• malware = malicious software