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1. The technology behind bitcoin. 2. Blockchain can be described as a chain of blocks - block: digital information, and chain: public database. -------------------------------------------------------- : - information about transactions, e.g. date, time, dollar amount of your recent purchase. - information about participant, e.g. your name (a unique digital signature, like a username), Amazon.com, Inc. - information that distinguishes it from other blocks, e.g. a unique code called 'hash'. ...

To learn CSS, we may refer to prior knowledge of HTML. In order to use CSS, we will use a text editor, such as Notepadd, and a web browser,such as Chrome. -Note: CSS helps to define the presentation of HTML elements as a separate file, having a .css extension. ---------------------------------------------------------------------- : Cascading Style Sheet -Note: Cascading - any changes will be applied down, to all style sheets used. -Note: CSS is used to control the style of a web document -...

---metatype: css---html, body { font-family: "Consolas", sans-serif; color: #37424F;}h1 a, h2 a, h3 a, h4 a { color: #37424F !important;}.post-content { color: #37424F !important;}#author-header .bio { opacity: 1.0;} ...