Bitcoin and Smileycoin basics ***************************** .. Slide http://ui-tutorweb.clifford.shuttlethread.com/comp/crypto251.0/lec00200/sl00210 Operating a wallet ================== A **wallet** is a computer program (or app) which handles the user's funds. From the user's side, the basics of operating a wallet are made extremely simple. With a click of a button the user can * Request funds * Send funds Transmissions of funds are sent out as **transactions**. If Alice wants to send a transaction to Bob, her wallet needs information on where to send the transaction. If Alice requests funds from Bob then Alice's wallet will typically show a QR-code which Bob's wallet can scan to set up the required transaction. A `short video introduction `_ is available. .. Slide http://ui-tutorweb.clifford.shuttlethread.com/comp/crypto251.0/lec00200/sl00220 The block and block explorers ============================= **A simple block (SMLY block 361698)** .. image:: http://tutor-web.net/comp/crypto251.0/lec00100/block-361698.png :height: 250px :scale: 50 % :alt: alternate text :align: center Contains two transactions. See https://chainz.cryptoid.info/smly/ and https://blocks.smileyco.in/ Video demonstration: https://www.youtube.com/watch?v=a7EhHyWCrU4&index=4&list=PLzTQcKBiNWB3E7nh5egXI_PaHW1MLnXy8 .. Slide http://ui-tutorweb.clifford.shuttlethread.com/comp/crypto251.0/lec00200/sl00230 The transaction =============== **The transactions** .. image:: http://tutor-web.net/comp/crypto251.0/lec00100/trans-block-332353-eng.png :height: 250px :scale: 50 % :alt: alternate text :align: center .. Slide http://ui-tutorweb.clifford.shuttlethread.com/comp/crypto251.0/lec00200/sl00240 Where we come from (a): the tutor-web ===================================== The `tutor-web `_ is an educational resource, mainly developed at the University of Iceland. .. image:: http://tutor-web.net/comp/crypto251.0/lec00100/tw-logo.png :height: 250px :scale: 50 % :alt: alternate text :align: center A `short video introduction `_ is available, giving an overview of the tutor-web SmileyCoin and Education in a Suitcase. .. Slide http://ui-tutorweb.clifford.shuttlethread.com/comp/crypto251.0/lec00200/sl00250 Where we come from (b): Education in a Suitcase =============================================== **eias** .. image:: http://tutor-web.net/comp/crypto251.0/lec00100/eias-logo.png :height: 250px :scale: 50 % :alt: alternate text :align: center Non-profit organisation, registered in Iceland as **Styrktarfélagið Broskallar** **Purpose**: Raise funds to donate educational tech to low-income regions .. Slide http://ui-tutorweb.clifford.shuttlethread.com/comp/crypto251.0/lec00200/sl00260 Where we come from (c): SMLY ============================ smly .. image:: http://tutor-web.net/comp/crypto251.0/lec00100/smileycoin3-1024.png :height: 250px :scale: 50 % :alt: alternate text :align: center Primary purpose: Rewarding students in the tutor-web system Long term goal: Provide $1/day for low-income students .. Slide http://ui-tutorweb.clifford.shuttlethread.com/comp/crypto251.0/lec00200/sl00270 Overview ======== The handout lists homework. Your instructor will give more detail. Handout ------- Homework: Add some material to any single subsection of this section.