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BIP 174 workflow graphics
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‎bip-0174.mediawiki

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===Manual CoinJoin Workflow===
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<img src="bip-0174/coinjoin-workflow.png" align="middle"></img>
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<img src="bip-0174/coinjoin-workflow.svg" align="middle"></img>
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===2-of-3 Multisig Workflow===
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<img src="bip-0174/multisig-workflow.png" align="middle"></img>
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<img src="bip-0174/multisig-workflow.svg" align="middle"></img>
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==Test Vectors==
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‎bip-0174/coinjoin-workflow.png

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‎bip-0174/coinjoin-workflow.svg

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‎bip-0174/coinjoin-workflow.tex

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% using the PGF/TikZ package with pdflatex
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\documentclass{standalone}
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\usepackage[utf8]{inputenc}
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\usepackage[T1]{fontenc}
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%~ \usepackage[english]{babel}
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\usepackage[none]{hyphenat}% prevent hyphenation
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\usepackage{lmodern}
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\renewcommand*\familydefault{\sfdefault}
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\usepackage{tikz}
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\usetikzlibrary{shapes,arrows}
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\tikzset{>=latex}
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\begin{document}
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% \sffamily{}
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\tikzstyle{block_center} =
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[rectangle, draw=black, thick, fill=white,
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text width=12em, text centered,
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minimum height=5em]
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\tikzstyle{block_rounded} = [rectangle,
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draw=black, thick, fill=white,
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text width=8em, text centered,
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minimum height=5em,
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rounded corners]
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\begin{tikzpicture}[auto]
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% outlining the flowchart on a grid
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\matrix[column sep=3ex,row sep=2ex]{
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\node [block_center] (0alice1)
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{Alice creates a PSBT with only her inputs
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with UTXOs filled in.\\Sends it to Bob.};
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&
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\node [block_center] (1bob1)
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{Bob adds his inputs and fills in his
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UTXOs.};
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&
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\node [block_center] (2carol1)
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{Carol adds her inputs, fills in her
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UTXOs, adds signatures, and finalizes her inputs.};
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\\
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\node [block_rounded] (5alice2)
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{Alice extracts the network serialized
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transaction and broadcasts it.};
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&
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\node [block_center] (4alice1)
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{Alice signs the transaction, adds her
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signatures, and finalizes her inputs.};
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&
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\node [block_center] (3bob2)
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{Bob signs the transaction, adds his
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signatures, and finalizes his inputs.};
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\\
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};% end matrix
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% connecting nodes with paths
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\draw[line width = 1pt, ->]
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(0alice1) edge (1bob1)
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(1bob1) edge (2carol1)
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(2carol1) edge (3bob2)
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(3bob2) edge (4alice1)
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(4alice1) edge (5alice2);
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\end{tikzpicture}
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\end{document}

‎bip-0174/multisig-workflow.png

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‎bip-0174/multisig-workflow.svg

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‎bip-0174/multisig-workflow.tex

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% using the PGF/TikZ package with pdflatex
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\documentclass{standalone}
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\usepackage[utf8]{inputenc}
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\usepackage[T1]{fontenc}
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%~ \usepackage[english]{babel}
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\usepackage[none]{hyphenat}% prevent hyphenation
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\usepackage{lmodern}
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\renewcommand*\familydefault{\sfdefault}
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\usepackage{tikz}
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\usetikzlibrary{shapes,arrows}
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\tikzset{>=latex}
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%\pgfdeclarelayer{bg} % declare background layer
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%\pgfsetlayers{bg,main} % set order of layers
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\newcommand{\h}{\hspace{1em}}
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\begin{document}
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% \sffamily{}
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\tikzstyle{block_center} =
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[rectangle, draw=black, thick, fill=white,
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text width=10.5em, text centered,
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minimum height=1em]
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\tikzstyle{block_rounded} = [rectangle,
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draw=black, thick, fill=white,
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text width=8em, text centered,
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minimum height=5em,
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rounded corners]
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\begin{tikzpicture}[auto]
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% outlining the flowchart on a grid
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\matrix[column sep=3ex,row sep=2.5ex]{
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\h &
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\node [block_center] (R1)
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{Alice, Bob and Carol
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wish to spend from a
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2-of-3 Multisig.};
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& \h \\
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\h &
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\node [block_center] (R2)
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{Alice uses a full node
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to create a PSBT with
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all input UTXOs filled in.};
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& \h \\
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\h &
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\node [block_center] (R3)
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{PSBT distributed.};
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& \h \\
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\node [block_center] (R4C1)
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{Alice signs the
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PSBT with her wallet.};
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&
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\node [block_center] (R4C2)
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{Bob signs the PSBT
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with his SPV wallet.};
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&
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\node [block_center] (R4C3)
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{Carol signs the PSBT
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with a completely
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offline signing machine.};
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\\
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%~ \h & \node (blind) & \h \\
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\h &
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\node [block_center] (R5)
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{PSBTs are returned
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to Alice.};
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& \h \\
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\h &
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\node [block_center] (R6)
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{Alices combines the
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PSBTs. All inputs now
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have 3 signatures.};
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& \h \\
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\h &
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\node [block_center] (R7)
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{Alice finalizes the PSBT
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by creating each input's
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final scriptSig. One signature
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for each input is dropped.};
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& \h \\
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\h &
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\node [block_rounded] (stop)
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{Alice extracts the network
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serialized transaction and
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broadcasts it to the network.};
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& \h \\
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};% end matrix
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% connecting nodes with paths
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% \begin{pgfonlayer}{bg}
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\draw[line width = 1pt, ->]
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(R1) edge (R2)
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(R2) edge (R3)
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(R3) -| (R4C1)
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(R3) edge (R4C2)
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(R5) edge (R6)
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(R6) edge (R7)
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(R7) edge (stop);
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% circumvent missing arrow
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\draw[line width = 1pt, ->]
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(R4C1) |-+(0,-2.2em)-| (R5)
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(R4C2) edge (R5)
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(R4C3) |-+(0,-2.2em)-| (R5)
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(R3) -| (R4C3);
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% \end{pgfonlayer}
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\end{tikzpicture}
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\end{document}

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