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transaction_multisig.html
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>multisig</title>
<link rel="stylesheet" href="css/reveal.css">
<link rel="stylesheet" href="css/theme/simple.css">
<!-- Theme used for syntax highlighting of code -->
<link rel="stylesheet" href="lib/css/xcode.css">
<!-- Theme override for teachbitcoin -->
<link rel="stylesheet" href="css/teachbitcoin.css">
<!-- Google Font Roboto -->
<link href="https://fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Roboto+Mono" rel="stylesheet">
</head>
<body>
<div class="reveal">
<div class="slides">
<!-- *********** BEGIN: Multsig Script Introduction *********** -->
<section class = "box">
<div class = "title">
Bitcoin <span class = "title weight">Multisig Script</span>
</div>
<!-- 45% div for formula and curve--><!-- 45% text & bulletpoint -->
<div class = "multi_text_box_container" style = "padding: 40px 0 0 0; width: 1270px;">
<!-- 60% div for formula and curve-->
<div class = "" style = "width: 58%; font-size: 22px;">
<img src="images/transaction_multisig/multisig_script0.svg" class = "image" style = "z-index: -3;">
<img src="images/transaction_multisig/multisig_script1.svg" class = "fragment image" style = "z-index: -3;">
<img src="images/transaction_multisig/multisig_script2.svg" class = "fragment image" style = "z-index: -3;">
<img src="images/transaction_multisig/multisig_script3.svg" class = "fragment image" style = "z-index: -3;">
<img src="images/transaction_multisig/multisig_script4.svg" class = "fragment image" style = "z-index: -3;">
</div>
<!-- 45% text & bulletpoint -->
<div class = "text_box"
style = "width: 45%; font-size: 24px; margin: 0px 0 0 0">
<ul style = "margin: 0; padding: 0px; list-style-type: none;">
<!-- <hr style = "height:5px; visibility:hidden;"> -->
<li style = "font-weight: bold;">N-of-M multisig output script</li>
<ul style = "list-style-type: circle;">
<li>Requires n endorsements from <br> m possible signers.</li>
</ul>
<hr style = "height:8px; visibility:hidden;">
<li style = "font-weight: bold;">Multisig requires extra op-code</li>
<ul style = "list-style-type: circle;">
<li>Multisig consumes one extra op_code.</li>
<li>This op_code has no functionality.</li>
<li>Requires hardfork to fix this bug.</li>
</ul>
<hr style = "height:8px; visibility:hidden;">
<li style = "font-weight: bold;">Multisig usually wrapped in P2SH/P2WSH</li>
<ul style = "list-style-type: circle;">
<li>See sections on P2SH and witness transactions.</li>
</ul>
</ul>
</div>
</div><!-- End of 2 column container -->
</section>
<!-- *********** END: Multsig Script Introduction *********** -->
<!-- *********** BEGIN: Multsig Script Signing *********** -->
<section class = "box">
<div class = "title">
Example: <span class = "title weight">Multisig Script Signing</span>
</div>
<!-- 45% div for formula and curve--><!-- 45% text & bulletpoint -->
<div class = "multi_text_box_container" style = "padding: 40px 0 0 0; width: 1350px;">
<!-- 60% div for formula and curve-->
<div class = "" style = "width: 58%; font-size: 22px;">
<img src="images/transaction_multisig/multisig_signing0.svg" class = "image" style = "z-index: -3;">
<img src="images/transaction_multisig/multisig_signing1.svg" class = "fragment image" style = "z-index: -3;">
<img src="images/transaction_multisig/multisig_signing2.svg" class = "fragment image" style = "z-index: -3;">
</div>
<!-- 45% text & bulletpoint -->
<div class = "text_box"
style = "width: 40%; font-size: 24px; margin: 0px 0 0 0">
<ul style = "margin: 0; padding: 0px; list-style-type: none;">
<!-- <hr style = "height:5px; visibility:hidden;"> -->
Two parties spend a 2/3 multisig output <br>to their respective outputs.
<hr style = "height:5px; visibility:hidden;">
<li style = "font-weight: bold;">1) Alice builds & signs transaction.</li>
<ul style = "list-style-type: circle;">
<li>Transaction only includes her an output spendable by herself.</li>
</ul>
<hr style = "height:5px; visibility:hidden;">
<li style = "font-weight: bold;">2) Bob gets endorsement & Alice's pubkey.</li>
<ul style = "list-style-type: circle;">
<li>Public key allows bob to reconstruct transaction which Alice signed.</li>
</ul>
<hr style = "height:5px; visibility:hidden;">
<li style = "font-weight: bold;">3) Bob adds his output and signs.</li>
<hr style = "height:5px; visibility:hidden;">
<li style = "font-weight: bold;">4) Bob adds endorsements to transaction.</li>
<ul style = "list-style-type: circle;">
<li>Completed transaction spending the multsig output can now be broadcast.</li>
</ul>
<hr style = "height:5px; visibility:hidden;">
</ul>
</div>
</div><!-- End of 2 column container -->
</section>
<!-- *********** END: Multsig Script Signing *********** -->
</div><!-- END: Slides Div -->
</div><!-- END: Reveal Div -->
<script src="lib/js/head.min.js"></script>
<script src="js/reveal.js"></script>
<script>
// More info about config & dependencies:
// - https://github.com/hakimel/reveal.js#configuration
// - https://github.com/hakimel/reveal.js#dependencies
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width: 1366,
height: 768,
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Reveal.configure({ slideNumber: true });
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</body>
</html>