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https://github.com/seigler/presentation-blockchains
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add grass for headstone slide, make transitions less flashy
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Joshua Seigler
parent
b96aaf614c
commit
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5 changed files with 7708 additions and 47 deletions
64
index.html
64
index.html
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@ -51,17 +51,20 @@
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<img src="styles/cat-money.jpg" alt="" class="cover">
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<div class="cover" style="background-color: rgba(0, 0, 0, 0.6)">
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<h1>What is money?</h1>
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<li>
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<ul janus-timeline janus-future="down">Durable</ul>
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<ul janus-timeline janus-future="down">Portable</ul>
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<ul janus-timeline janus-future="down">Fungible</ul>
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<ul janus-timeline janus-future="down">Divisible</ul>
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<ul janus-timeline janus-future="down">Scarce</ul>
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</li>
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</div>
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<div class="notes">
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Medium of exchange: portable, durable, fungible
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Unit of account: divisible, fungible
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Store of value: durable, scarce, fungible
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Durable
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Portable
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Divisible
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Fungible
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Scarce</div>
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Next: things we've used as money</div>
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</section>
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<section>
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@ -86,7 +89,9 @@
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</tr>
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</tbody>
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</table>
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<div class="notes">Used on most continents, still a legal currency in Papua New Guinea alongside their paper money.</div>
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<div class="notes">Shells
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Used on most continents.
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Still a legal currency in Papua New Guinea alongside their paper money.</div>
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</section>
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<section>
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@ -112,7 +117,11 @@
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</tbody>
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</table>
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<div class="notes">Stone money was made in Micronesia and Guam, transported to the island of <em>Yap</em> as currency. Value from the story of how hard it was to transport. Ownership transferred by oral history, stones not moved.</div>
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<div class="notes">Stone money
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Made in Micronesia and Guam
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Transported to the island of <em>Yap</em> as currency.
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Value from the story of how hard it was to transport.
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Ownership transferred by oral history, stones not moved.</div>
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</section>
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<section>
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@ -127,7 +136,7 @@
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<th>Portable</th><td class="yes"></td>
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</tr>
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<tr>
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<th>Divisible</th><td class="maybe"></td>
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<th>Divisible</th><td class="yes"></td>
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</tr>
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<tr>
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<th>Fungible</th><td class="yes"></td>
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@ -137,7 +146,10 @@
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</tr>
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</tbody>
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</table>
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<div class="notes">Pretty popular. Still used today.</div>
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<div class="notes">
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Gold (and silver).
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Pretty popular.
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Still used today.</div>
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</section>
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<section>
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@ -162,7 +174,8 @@
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</tr>
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</tbody>
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</table>
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<div class="notes">Used to be a currency form of gold and silver, after World War 1 pretty much everybody decided to switch to unbacked "floating money" so they could fuel government expenses with inflation.</div>
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<div class="notes">US dollars
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Used to represent gold and silver, after World War 1 pretty much everybody decided to switch to unbacked "floating money" so they could fuel government expenses with inflation.</div>
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</section>
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<section>
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@ -180,12 +193,12 @@
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<tr>
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<th>Joshua</th>
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<td>25</td>
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<td><span janus-timeline style="color: #F00;"> - 15</span></td>
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<td><div janus-timeline janus-future="right" style="color: #F00;"> - 15</div></td>
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</tr>
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<tr>
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<th>Jack</th>
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<td>12</td>
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<td><span janus-timeline style="color: #090;"> + 15</span></td>
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<td><div janus-timeline janus-future="right" style="color: #090;"> + 15</div></td>
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</tr>
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<tr>
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<th>Dave</th>
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@ -197,7 +210,7 @@
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</tr>
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</tbody>
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</table>
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<div class="notes">Ledger keeps track each person's money.
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<div class="notes">A ledger keeps track each person's money.
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To send money, reduce my account and increase their account.
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Like Paypal.
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@ -216,7 +229,7 @@
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<tr>
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<th><code>1D4FA353C82B4</code></th>
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<td>11.5</td>
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<td><span janus-timeline style="color: #F00;"> - 11</span></td>
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<td><div janus-timeline janus-future="right" style="color: #F00;"> - 11</div></td>
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</tr>
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<tr>
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<th><code>37563EA8932FB</code></th>
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@ -229,7 +242,7 @@
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<tr>
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<th><code>D15F73E98432A</code></th>
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<td>13.5</td>
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<td><span janus-timeline style="color: #F00;"> - 4</span></td>
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<td><div janus-timeline janus-future="right" style="color: #F00;"> - 4</div></td>
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</tr>
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<tr>
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<th><code>333BCBA13A54C</code></th>
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@ -242,7 +255,7 @@
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<tr>
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<th><code>C5F83ED13497A</code></th>
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<td>6.0</td>
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<td><span janus-timeline style="color: #090;"> + 15</span></td>
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<td><div janus-timeline janus-future="right" style="color: #090;"> + 15</div></td>
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</tr>
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<tr>
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<th><code>92A1E683111A2</code></th>
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@ -255,6 +268,8 @@
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<section>
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<img src="styles/headstone.svg" style="height: 60vh; margin: 0.5em auto 0" alt="">
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<img src="styles/grass-back.svg" style="position: absolute; z-index: -1; width: 100%; top: 60vh">
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<img src="styles/grass-front.svg" style="position: absolute; width: 100%; top: 66vh">
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<div class="notes">There's a company that actually did this, called DigiCash. they maintained a ledger with cryptographically controlled balances. Consumers weren't concerned enough about security or privacy and they ran out of money.</div>
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</section>
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@ -271,7 +286,10 @@
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<h1>Double Spending</h1>
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<div class="notes">Real world, double spending is easy.
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Two checks
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First deposit "wins"</div>
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First deposit "wins"
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All about timing
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How do you fix this?</div>
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</section>
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<section>
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@ -279,17 +297,17 @@
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<h1 style="color: black">Hashes</h1>
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</section>
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<section>
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<h1>Proof of Work</h1>
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</section>
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<section class="hashpointers">
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<img janus-timeline janus-future="big" src="styles/hashpointers-linked-list.svg" alt="" class="contain" style="object-position: 70% 50%">
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<img janus-timeline janus-future="big" src="styles/hashpointers-hashes.svg" alt="" class="contain" style="object-position: 70% 50%">
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<img janus-timeline janus-future="big" src="styles/hashpointers-new-entry.svg" alt="" class="contain" style="object-position: 70% 50%">
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<img janus-timeline janus-future="left" src="styles/hashpointers-new-entry.svg" alt="" class="contain" style="object-position: 70% 50%">
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<h1>Hash Pointers</h1>
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</section>
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<section>
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<h1>Proof of Work</h1>
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</section>
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<section>
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<h1>Applications</h1>
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</section>
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<li><a href="https://www.flickr.com/photos/imtfi/5875765289"><img src="styles/money-transaction.jpg" alt="" class="thumbnail">Institute for Money, Technology and Financial Inclusion, Flickr</a></li>
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<!-- <li><a href="https://commons.wikimedia.org/wiki/File:The_Velveteen_Rabbit_pg_37.jpg"><img src="styles/make-it-real.png" alt="" class="thumbnail">Velveteen Rabbit, Margery Williams 1922</a></li>-->
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<li><a href="https://www.flickr.com/photos/ammichaels/7159593410"><img src="styles/hashbrowns.jpg" alt="" class="thumbnail">cheeseslave, Flickr</a></li>
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<li>Emoji art supplied by <a href="http://emojione.com/">EmojiOne</li>
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<li>Emoji art supplied by <a href="http://emojione.com/">EmojiOne</a></li>
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</ul>
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</section>
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