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- Intro
 - Block chain section
 - Developer guide
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91
_includes/devdoc/guide_block_chain.md
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@ -9,17 +9,17 @@ http://opensource.org/licenses/MIT.
{% autocrossref %} {% autocrossref %}
The block chain provides Bitcoin's public ledger, an ordered and timestamped record The block chain provides Dash's public ledger, an ordered and timestamped record
of transactions. This system is used to protect against double spending of transactions. This system is used to protect against double spending
and modification of previous transaction records. and modification of previous transaction records.
Each full node in the Bitcoin network independently stores a block chain Each full node in the Dash network independently stores a block chain
containing only blocks validated by that node. When several nodes all containing only blocks validated by that node. When several nodes all
have the same blocks in their block chain, they are considered to be in have the same blocks in their block chain, they are considered to be in
[consensus][/en/glossary/consensus]{:#term-consensus}{:.term}. The validation rules these [consensus][/en/glossary/consensus]{:#term-consensus}{:.term}. The validation rules these
nodes follow to maintain consensus are called [consensus nodes follow to maintain consensus are called [consensus
rules][/en/glossary/consensus-rules]{:#term-consensus-rules}{:.term}. This section describes many of rules][/en/glossary/consensus-rules]{:#term-consensus-rules}{:.term}. This section describes many of
the consensus rules used by Bitcoin Core. the consensus rules used by Dash Core.
{% endautocrossref %} {% endautocrossref %}
@ -42,10 +42,10 @@ stores the hash of the previous block's header, chaining the blocks
together. This ensures a transaction cannot be modified without together. This ensures a transaction cannot be modified without
modifying the block that records it and all following blocks. modifying the block that records it and all following blocks.
Transactions are also chained together. Bitcoin wallet software gives Transactions are also chained together. Dash wallet software gives
the impression that satoshis are sent from and to wallets, but the impression that duffs are sent from and to wallets, but
bitcoins really move from transaction to transaction. Each Dash value really moves from transaction to transaction. Each
transaction spends the satoshis previously received in one or more earlier transaction spends the duffs previously received in one or more earlier
transactions, so the input of one transaction is the output of a transactions, so the input of one transaction is the output of a
previous transaction. previous transaction.
@ -55,7 +55,7 @@ A single transaction can create multiple outputs, as would be
the case when sending to multiple addresses, but each output of the case when sending to multiple addresses, but each output of
a particular transaction can only be used as an input once in the a particular transaction can only be used as an input once in the
block chain. Any subsequent reference is a forbidden double block chain. Any subsequent reference is a forbidden double
spend---an attempt to spend the same satoshis twice. spend---an attempt to spend the same duffs twice.
Outputs are tied to [transaction identifiers (TXIDs)][/en/glossary/txid]{:#term-txid}{:.term}, which are the hashes Outputs are tied to [transaction identifiers (TXIDs)][/en/glossary/txid]{:#term-txid}{:.term}, which are the hashes
of signed transactions. of signed transactions.
@ -69,12 +69,12 @@ Ignoring coinbase transactions (described later), if the value of a
transaction's outputs exceed its inputs, the transaction will be transaction's outputs exceed its inputs, the transaction will be
rejected---but if the inputs exceed the value of the outputs, any rejected---but if the inputs exceed the value of the outputs, any
difference in value may be claimed as a [transaction difference in value may be claimed as a [transaction
fee][/en/glossary/transaction-fee]{:#term-transaction-fee}{:.term} by the Bitcoin fee][/en/glossary/transaction-fee]{:#term-transaction-fee}{:.term} by the Dash
[miner][/en/glossary/mining]{:#term-miner}{:.term} who creates the block containing that [miner][/en/glossary/mining]{:#term-miner}{:.term} who creates the block containing that
transaction. transaction.
For example, in the illustration above, each transaction spends 10,000 satoshis For example, in the illustration above, each transaction spends 10,000 duffs
fewer than it receives from its combined inputs, effectively paying a 10,000 fewer than it receives from its combined inputs, effectively paying a 10,000
satoshi transaction fee. duff transaction fee.
{% endautocrossref %} {% endautocrossref %}
@ -84,7 +84,7 @@ satoshi transaction fee.
{% autocrossref %} {% autocrossref %}
The block chain is collaboratively maintained by anonymous peers on the network, so The block chain is collaboratively maintained by anonymous peers on the network, so
Bitcoin requires that each block prove a significant amount of work was invested in Dash requires that each block prove a significant amount of work was invested in
its creation to ensure that untrustworthy peers who want to modify past blocks have its creation to ensure that untrustworthy peers who want to modify past blocks have
to work harder than honest peers who only want to add new blocks to the to work harder than honest peers who only want to add new blocks to the
block chain. block chain.
@ -94,7 +94,7 @@ in any block without modifying all following blocks. As a
result, the cost to modify a particular block increases with every new block result, the cost to modify a particular block increases with every new block
added to the block chain, magnifying the effect of the proof of work. added to the block chain, magnifying the effect of the proof of work.
The [proof of work][/en/glossary/proof-of-work]{:#term-proof-of-work}{:.term} used in Bitcoin The [proof of work][/en/glossary/proof-of-work]{:#term-proof-of-work}{:.term} used in Dash
takes advantage of the apparently random nature of cryptographic hashes. takes advantage of the apparently random nature of cryptographic hashes.
A good cryptographic hash algorithm converts arbitrary data into a A good cryptographic hash algorithm converts arbitrary data into a
seemingly-random number. If the data is modified in any way and seemingly-random number. If the data is modified in any way and
@ -112,32 +112,30 @@ In the example given above, you will produce a successful hash on average every
You can even estimate the probability You can even estimate the probability
that a given hash attempt will generate a number below the [target][/en/glossary/nbits]{:#term-target}{:.term} that a given hash attempt will generate a number below the [target][/en/glossary/nbits]{:#term-target}{:.term}
threshold. threshold.
Bitcoin assumes a linear probability that the lower it makes the target threshold, the more hash attempts (on average) will need to be tried. Dash assumes a linear probability that the lower it makes the target threshold, the more hash attempts (on average) will need to be tried.
New blocks will only be added to the block chain if their hash is at New blocks will only be added to the block chain if their hash is at
least as challenging as a [difficulty][/en/glossary/difficulty]{:#term-difficulty}{:.term} value expected by the consensus protocol. least as challenging as a [difficulty][/en/glossary/difficulty]{:#term-difficulty}{:.term} value expected by the consensus protocol.
Every 2,016 blocks, the network uses timestamps stored in each Every block, the network uses the difficulty of the last 24 blocks and number of
block header to calculate the number of seconds elapsed between generation seconds elapsed between generation of the first and last of those last 24 blocks.
of the first and last of those last 2,016 blocks. The ideal value is The ideal value is 3600 (one hour).
1,209,600 seconds (two weeks).
* If it took fewer than two weeks to generate the 2,016 blocks, * If it took less than one hour to generate the 24 blocks, the expected
the expected difficulty value is increased proportionally (by as much difficulty value is increased so that the next 24 blocks should take exactly
as 300%) so that the next 2,016 blocks should take exactly two weeks one hour to generate if hashes are checked at the same rate.
to generate if hashes are checked at the same rate.
* If it took more than two weeks to generate the blocks, the expected * If it took more than one hour to generate the blocks, the expected
difficulty value is decreased proportionally (by as much as 75%) for difficulty value is decreased for the same reason.
the same reason.
(Note: an off-by-one error in the Bitcoin Core implementation causes the This method of calculating difficulty (Dark Gravity Wave) was authored by Dash
difficulty to be updated every 2,01*6* blocks using timestamps from only creator Evan Duffield to fix exploits possible with the previously used
2,01*5* blocks, creating a slight skew.) Kimoto Gravity Well difficulty readjustment algorithm. For additional detail,
reference this [Official Documentation Dark Gravity Wave page](https://dashpay.atlassian.net/wiki/spaces/DOC/pages/1146926/Dark+Gravity+Wave).
Because each block header must hash to a value below the target Because each block header must hash to a value below the target
threshold, and because each block is linked to the block that threshold, and because each block is linked to the block that
preceded it, it requires (on average) as much hashing power to preceded it, it requires (on average) as much hashing power to
propagate a modified block as the entire Bitcoin network expended propagate a modified block as the entire Dash network expended
between the time the original block was created and the present time. between the time the original block was created and the present time.
Only if you acquired a majority of the network's hashing power Only if you acquired a majority of the network's hashing power
could you reliably execute such a [51 percent attack][/en/glossary/51-percent-attack]{:#term-51-attack}{:.term} against could you reliably execute such a [51 percent attack][/en/glossary/51-percent-attack]{:#term-51-attack}{:.term} against
@ -158,13 +156,12 @@ the merkle tree.
{% autocrossref %} {% autocrossref %}
Any Bitcoin miner who successfully hashes a block header to a value Any Dash miner who successfully hashes a block header to a value
below the target threshold can add the entire block to the block chain below the target threshold can add the entire block to the block chain
(assuming the block is otherwise valid). (assuming the block is otherwise valid).
These blocks are commonly addressed These blocks are commonly addressed
by their [block height][/en/glossary/block-height]{:#term-block-height}{:.term}---the number of blocks between them and the first Bitcoin by their [block height][/en/glossary/block-height]{:#term-block-height}{:.term}---the number of blocks between them and the first Dash
block (block 0, most commonly known as the [genesis block][/en/glossary/genesis-block]{:#term-genesis-block}{:.term}). For example, block (block 0, most commonly known as the [genesis block][/en/glossary/genesis-block]{:#term-genesis-block}{:.term}).
block 2016 is where difficulty could have first been adjusted.
![Common And Uncommon Block Chain Forks](/img/dev/en-blockchain-fork.svg) ![Common And Uncommon Block Chain Forks](/img/dev/en-blockchain-fork.svg)
@ -313,22 +310,22 @@ fork][/en/glossary/soft-fork]{:#term-soft-fork}{:.term}.
Although a fork is an actual divergence in block chains, changes to the Although a fork is an actual divergence in block chains, changes to the
consensus rules are often described by their potential to create either consensus rules are often described by their potential to create either
a hard or soft fork. For example, "increasing the block size above 1 MB a hard or soft fork. For example, "increasing the block size requires a hard
requires a hard fork." In this example, an actual block chain fork is fork." In this example, an actual block chain fork is not required---but it is
not required---but it is a possible outcome. a possible outcome.
Consensus rule changes may be activated in various ways. During Bitcoin's Consensus rule changes may be activated in various ways. During Bitcoin's
first two years, Satoshi Nakamoto performed several soft forks by just first two years, Satoshi Nakamoto performed several soft forks by just
releasing the backwards-compatible change in a client that began immediately releasing the backwards-compatible change in a client that began immediately
enforcing the new rule. Multiple soft forks such as BIP30 have enforcing the new rule. Multiple soft forks such as BIP30 have
been activated via a flag day where the new rule began to be enforced at a been activated via a flag day where the new rule began to be enforced at a
preset time or block height. Such forks activated via a flag day are known as preset time or block height. Such forks activated via a flag day are known as
[User Activated Soft Forks][/en/glossary/uasf]{:#term-uasf}{:.term} (UASF) as [User Activated Soft Forks][/en/glossary/uasf]{:#term-uasf}{:.term} (UASF) as
they are dependent on having sufficient users (nodes) to enforce the new rules they are dependent on having sufficient users (nodes) to enforce the new rules
after the flag day. after the flag day.
Later soft forks waited for a majority of hash rate (typically 75% or 95%) Later soft forks waited for a majority of hash rate (typically 75% or 95%)
to signal their readiness for enforcing the new consensus rules. Once the signalling to signal their readiness for enforcing the new consensus rules. Once the signaling
threshold has been passed, all nodes will begin enforcing the new rules. Such threshold has been passed, all nodes will begin enforcing the new rules. Such
forks are known as [Miner Activated Soft Forks][/en/glossary/masf]{:#term-masf}{:.term} (MASF) forks are known as [Miner Activated Soft Forks][/en/glossary/masf]{:#term-masf}{:.term} (MASF)
as they are dependent on miners for activation. as they are dependent on miners for activation.
@ -357,9 +354,9 @@ Non-upgraded nodes may also refuse to relay blocks or transactions which
have already been added to the best block chain, or soon will be, and so have already been added to the best block chain, or soon will be, and so
provide incomplete information. provide incomplete information.
<!-- paragraph below based on src/main.cpp CheckForkWarningConditions() --> <!-- paragraph below based on src/validation.cpp CheckForkWarningConditions() -->
Bitcoin Core includes code that detects a hard fork by looking at block Dash Core includes code that detects a hard fork by looking at block
chain proof of work. If a non-upgraded node receives block chain headers chain proof of work. If a non-upgraded node receives block chain headers
demonstrating at least six blocks more proof of work than the best chain demonstrating at least six blocks more proof of work than the best chain
it considers valid, the node reports a warning in the `getnetworkinfo` RPC it considers valid, the node reports a warning in the `getnetworkinfo` RPC
@ -370,11 +367,11 @@ best block chain.
Full nodes can also check block and transaction version numbers. If the Full nodes can also check block and transaction version numbers. If the
block or transaction version numbers seen in several recent blocks are block or transaction version numbers seen in several recent blocks are
higher than the version numbers the node uses, it can assume it doesn't higher than the version numbers the node uses, it can assume it doesn't
use the current consensus rules. Bitcoin Core reports this situation use the current consensus rules. Dash Core reports this situation
through the `getnetworkinfo` RPC and `-alertnotify` command if set. through the `getnetworkinfo` RPC and `-alertnotify` command if set.
In either case, block and transaction data should not be relied upon In either case, block and transaction data should not be relied upon
if it comes from a node that apparently isn't using the current if it comes from a node that apparently isn't using the current
consensus rules. consensus rules.
SPV clients which connect to full nodes can detect a likely hard fork by SPV clients which connect to full nodes can detect a likely hard fork by

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_includes/devdoc/guide_intro.md
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@ -6,15 +6,15 @@ http://opensource.org/licenses/MIT.
{% autocrossref %} {% autocrossref %}
The Developer Guide aims to provide the information you need to understand The Developer Guide aims to provide the information you need to understand
Bitcoin and start building Bitcoin-based applications, but it is [not a Dash and start building Dash-based applications, but it is [not a
specification][]. To make the best use of specification][]. To make the best use of
this documentation, you may want to install the current version of Bitcoin this documentation, you may want to install the current version of Dash
Core, either from [source][core git] or from a [pre-compiled executable][core executable]. Core, either from [source][core git] or from a [pre-compiled executable][core executable].
Questions about Bitcoin development are best asked in one of the Questions about Dash development are best asked in one of the
[Bitcoin development communities][dev communities]. [Dash development communities][dev communities].
Errors or suggestions related to Errors or suggestions related to
documentation on Bitcoin.org can be [submitted as an issue][docs issue] documentation on {Dash.org} can be [submitted as an issue][docs issue]
or posted to the [bitcoin-documentation mailing list][]. or posted to the [bitcoin-documentation mailing list][].
In the following documentation, some strings have been shortened or wrapped: "[...]" In the following documentation, some strings have been shortened or wrapped: "[...]"

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en/developer-guide.md
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@ -5,7 +5,7 @@
layout: base layout: base
lang: en lang: en
id: developer-guide id: developer-guide
title: "Developer Guide - Bitcoin" title: "Developer Guide - Dash"
breadcrumbs: breadcrumbs:
# - bitcoin # - bitcoin
- dev docs - dev docs
@ -18,9 +18,9 @@ end_of_page: |
--- ---
<link rel="stylesheet" href="/css/jquery-ui.min.css"> <link rel="stylesheet" href="/css/jquery-ui.min.css">
# Bitcoin Developer Guide # Dash Developer Guide
<p class="summary">Find detailed information about the Bitcoin protocol and related specifications.</p> <p class="summary">Find detailed information about the Dash protocol and related specifications.</p>
<div markdown="1" id="toc" class="toc"><div markdown="1"> <div markdown="1" id="toc" class="toc"><div markdown="1">
@ -28,8 +28,8 @@ end_of_page: |
{:toc} {:toc}
<ul class="goback"><li><a href="/en/developer-documentation">Return To Overview</a></li></ul> <ul class="goback"><li><a href="/en/developer-documentation">Return To Overview</a></li></ul>
<ul class="reportissue"><li><a href="https://github.com/bitcoin-dot-org/bitcoin.org/issues/new" onmouseover="updateIssue(event);">Report An Issue</a></li></ul> <ul class="reportissue"><li><a href="https://github.com/thephez/dash.org/issues/new" onmouseover="updateIssue(event);">Report An Issue</a></li></ul>
<ul class="editsource"><li><a href="https://github.com/bitcoin-dot-org/bitcoin.org/tree/master/_includes" onmouseover="updateSource(event);">Edit On GitHub</a></li></ul> <ul class="editsource"><li><a href="https://github.com/thephez/dash.org/tree/master/_includes" onmouseover="updateSource(event);">Edit On GitHub</a></li></ul>
</div></div> </div></div>

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img/dev/en-transaction-propagation.dot
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@ -72,7 +72,7 @@ utxo0 [ style = "invis", label = "", width = 0, height = 0 ];
//tx6_input0 -> utxo0 [style = invis]; //tx6_input0 -> utxo0 [style = invis];
utxo1 [ style = "invis", label = "", width = 0, height = 0 ]; utxo1 [ style = "invis", label = "", width = 0, height = 0 ];
txold -> tx0_input0 [ label = "100,000\n(100k)\nsatoshis", style = dotted ] txold -> tx0_input0 [ label = "100,000\n(100k)\nduffs", style = dotted ]
tx0_output0 -> tx1_input0 [ label = "40k" ] tx0_output0 -> tx1_input0 [ label = "40k" ]
tx0_output1 -> tx2_input0 [ label = "50k" ] tx0_output1 -> tx2_input0 [ label = "50k" ]
tx1_output0 -> tx3_input0 [ label = "30k" ] tx1_output0 -> tx3_input0 [ label = "30k" ]

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img/dev/en-transaction-propagation.svg
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@ -1,195 +1,195 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?> <?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<!-- Generated by graphviz version 2.26.3 (20100126.1600) <!-- Generated by graphviz version 2.38.0 (20140413.2041)
--> -->
<!-- Title: blockchain Pages: 1 --> <!-- Title: blockchain Pages: 1 -->
<svg width="450pt" height="353pt" <svg width="450pt" height="413pt"
viewBox="0.00 0.00 450.00 353.37" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> viewBox="0.00 0.00 450.00 413.11" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g id="graph1" class="graph" transform="scale(0.690184 0.690184) rotate(0) translate(4 508)"> <g id="graph0" class="graph" transform="scale(0.819672 0.819672) rotate(0) translate(4 500)">
<title>blockchain</title> <title>blockchain</title>
<polygon fill="white" stroke="white" points="-4,5 -4,-508 649,-508 649,5 -4,5"/> <polygon fill="white" stroke="none" points="-4,4 -4,-500 545,-500 545,4 -4,4"/>
<text text-anchor="middle" x="322" y="-8.4" font-family="Sans" font-size="14.00">Triple&#45;Entry Bookkeeping (Transaction&#45;To&#45;Transaction Payments) As Used By Bitcoin</text> <text text-anchor="middle" x="270.5" y="-7.8" font-family="Times,serif" font-size="14.00">Triple&#45;Entry Bookkeeping (Transaction&#45;To&#45;Transaction Payments) As Used By Bitcoin</text>
<g id="graph2" class="cluster"><title>cluster_tx0</title> <g id="clust1" class="cluster"><title>cluster_tx0</title>
<polygon fill="none" stroke="black" points="78,-290 78,-492 188,-492 188,-290 78,-290"/> <polygon fill="none" stroke="black" points="62,-286 62,-484 153,-484 153,-286 62,-286"/>
<text text-anchor="middle" x="133" y="-475.4" font-family="Sans" font-size="14.00">Transaction 0</text> <text text-anchor="middle" x="107.5" y="-468.8" font-family="Times,serif" font-size="14.00">Transaction 0</text>
<text text-anchor="middle" x="133" y="-458.4" font-family="Sans" font-size="14.00">(TX 0)</text> <text text-anchor="middle" x="107.5" y="-453.8" font-family="Times,serif" font-size="14.00">(TX 0)</text>
</g> </g>
<g id="graph3" class="cluster"><title>cluster_tx1</title> <g id="clust2" class="cluster"><title>cluster_tx1</title>
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</g> </g>
<g id="graph4" class="cluster"><title>cluster_tx2</title> <g id="clust3" class="cluster"><title>cluster_tx2</title>
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</g> </g>
<g id="graph5" class="cluster"><title>cluster_tx3</title> <g id="clust4" class="cluster"><title>cluster_tx3</title>
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</g> </g>
<g id="graph6" class="cluster"><title>cluster_tx4</title> <g id="clust5" class="cluster"><title>cluster_tx4</title>
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<g id="graph8" class="cluster"><title>cluster_tx6</title> <g id="clust7" class="cluster"><title>cluster_tx6</title>
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</g> </g>
<!-- tx0_input0 --> <!-- tx0_input0 -->
<g id="node2" class="node"><title>tx0_input0</title> <g id="node1" class="node"><title>tx0_input0</title>
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</g> </g>
<!-- tx1_input0 --> <!-- tx1_input0 -->
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</g> </g>
<!-- tx0_output0&#45;&gt;tx1_input0 --> <!-- tx0_output0&#45;&gt;tx1_input0 -->
<g id="edge11" class="edge"><title>tx0_output0&#45;&gt;tx1_input0</title> <g id="edge2" class="edge"><title>tx0_output0&#45;&gt;tx1_input0</title>
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<text text-anchor="middle" x="210" y="-419.4" font-family="Sans" font-size="14.00">40k</text> <text text-anchor="middle" x="171.5" y="-413.8" font-family="Times,serif" font-size="14.00">40k</text>
</g> </g>
<!-- tx0_output1 --> <!-- tx0_output1 -->
<g id="node4" class="node"><title>tx0_output1</title> <g id="node3" class="node"><title>tx0_output1</title>
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<text text-anchor="middle" x="133" y="-311.9" font-family="Sans" font-size="14.00">output1</text> <text text-anchor="middle" x="107" y="-308.3" font-family="Times,serif" font-size="14.00">output1</text>
</g> </g>
<!-- tx2_input0 --> <!-- tx2_input0 -->
<g id="node9" class="node"><title>tx2_input0</title> <g id="node6" class="node"><title>tx2_input0</title>
<polygon fill="none" stroke="black" points="307,-324 245,-324 245,-288 307,-288 307,-324"/> <polygon fill="none" stroke="black" points="254,-320 200,-320 200,-284 254,-284 254,-320"/>
<text text-anchor="middle" x="276" y="-301.9" font-family="Sans" font-size="14.00">input0</text> <text text-anchor="middle" x="227" y="-298.3" font-family="Times,serif" font-size="14.00">input0</text>
</g> </g>
<!-- tx0_output1&#45;&gt;tx2_input0 --> <!-- tx0_output1&#45;&gt;tx2_input0 -->
<g id="edge13" class="edge"><title>tx0_output1&#45;&gt;tx2_input0</title> <g id="edge3" class="edge"><title>tx0_output1&#45;&gt;tx2_input0</title>
<path fill="none" stroke="black" d="M169.085,-313.477C189.045,-312.081 213.932,-310.34 234.671,-308.89"/> <path fill="none" stroke="black" d="M136.264,-309.605C152.3,-308.246 172.538,-306.531 189.734,-305.073"/>
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<text text-anchor="middle" x="210" y="-315.4" font-family="Sans" font-size="14.00">50k</text> <text text-anchor="middle" x="171.5" y="-310.8" font-family="Times,serif" font-size="14.00">50k</text>
</g> </g>
<!-- tx1_output0 --> <!-- tx1_output0 -->
<g id="node7" class="node"><title>tx1_output0</title> <g id="node5" class="node"><title>tx1_output0</title>
<polygon fill="none" stroke="black" points="312,-409 240,-409 240,-373 312,-373 312,-409"/> <polygon fill="none" stroke="black" points="256,-403 198,-403 198,-367 256,-367 256,-403"/>
<text text-anchor="middle" x="276" y="-386.9" font-family="Sans" font-size="14.00">output0</text> <text text-anchor="middle" x="227" y="-381.3" font-family="Times,serif" font-size="14.00">output0</text>
</g> </g>
<!-- tx3_input0 --> <!-- tx3_input0 -->
<g id="node13" class="node"><title>tx3_input0</title> <g id="node9" class="node"><title>tx3_input0</title>
<polygon fill="none" stroke="black" points="439,-409 377,-409 377,-373 439,-373 439,-409"/> <polygon fill="none" stroke="black" points="365,-403 311,-403 311,-367 365,-367 365,-403"/>
<text text-anchor="middle" x="408" y="-386.9" font-family="Sans" font-size="14.00">input0</text> <text text-anchor="middle" x="338" y="-381.3" font-family="Times,serif" font-size="14.00">input0</text>
</g> </g>
<!-- tx1_output0&#45;&gt;tx3_input0 --> <!-- tx1_output0&#45;&gt;tx3_input0 -->
<g id="edge15" class="edge"><title>tx1_output0&#45;&gt;tx3_input0</title> <g id="edge4" class="edge"><title>tx1_output0&#45;&gt;tx3_input0</title>
<path fill="none" stroke="black" d="M312.07,-391C328.884,-391 348.988,-391 366.437,-391"/> <path fill="none" stroke="black" d="M256.07,-385C269.673,-385 286.175,-385 300.72,-385"/>
<polygon fill="black" stroke="black" points="366.906,-394.5 376.906,-391 366.906,-387.5 366.906,-394.5"/> <polygon fill="black" stroke="black" points="300.896,-388.5 310.896,-385 300.896,-381.5 300.896,-388.5"/>
<text text-anchor="middle" x="342" y="-395.4" font-family="Sans" font-size="14.00">30k</text> <text text-anchor="middle" x="282.5" y="-388.8" font-family="Times,serif" font-size="14.00">30k</text>
</g> </g>
<!-- tx2_output0 --> <!-- tx2_output0 -->
<g id="node10" class="node"><title>tx2_output0</title> <g id="node7" class="node"><title>tx2_output0</title>
<polygon fill="none" stroke="black" points="312,-270 240,-270 240,-234 312,-234 312,-270"/> <polygon fill="none" stroke="black" points="256,-266 198,-266 198,-230 256,-230 256,-266"/>
<text text-anchor="middle" x="276" y="-247.9" font-family="Sans" font-size="14.00">output0</text> <text text-anchor="middle" x="227" y="-244.3" font-family="Times,serif" font-size="14.00">output0</text>
</g> </g>
<!-- tx4_input0 --> <!-- tx4_input0 -->
<g id="node16" class="node"><title>tx4_input0</title> <g id="node11" class="node"><title>tx4_input0</title>
<polygon fill="none" stroke="black" points="439,-270 377,-270 377,-234 439,-234 439,-270"/> <polygon fill="none" stroke="black" points="365,-266 311,-266 311,-230 365,-230 365,-266"/>
<text text-anchor="middle" x="408" y="-247.9" font-family="Sans" font-size="14.00">input0</text> <text text-anchor="middle" x="338" y="-244.3" font-family="Times,serif" font-size="14.00">input0</text>
</g> </g>
<!-- tx2_output0&#45;&gt;tx4_input0 --> <!-- tx2_output0&#45;&gt;tx4_input0 -->
<g id="edge17" class="edge"><title>tx2_output0&#45;&gt;tx4_input0</title> <g id="edge5" class="edge"><title>tx2_output0&#45;&gt;tx4_input0</title>
<path fill="none" stroke="black" d="M312.07,-252C328.884,-252 348.988,-252 366.437,-252"/> <path fill="none" stroke="black" d="M256.07,-248C269.673,-248 286.175,-248 300.72,-248"/>
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<text text-anchor="middle" x="342" y="-256.4" font-family="Sans" font-size="14.00">20k</text> <text text-anchor="middle" x="282.5" y="-251.8" font-family="Times,serif" font-size="14.00">20k</text>
</g> </g>
<!-- tx2_output1 --> <!-- tx2_output1 -->
<g id="node11" class="node"><title>tx2_output1</title> <g id="node8" class="node"><title>tx2_output1</title>
<polygon fill="none" stroke="black" points="312,-216 240,-216 240,-180 312,-180 312,-216"/> <polygon fill="none" stroke="black" points="256,-212 198,-212 198,-176 256,-176 256,-212"/>
<text text-anchor="middle" x="276" y="-193.9" font-family="Sans" font-size="14.00">output1</text> <text text-anchor="middle" x="227" y="-190.3" font-family="Times,serif" font-size="14.00">output1</text>
</g> </g>
<!-- tx5_input0 --> <!-- tx5_input0 -->
<g id="node19" class="node"><title>tx5_input0</title> <g id="node13" class="node"><title>tx5_input0</title>
<polygon fill="none" stroke="black" points="439,-131 377,-131 377,-95 439,-95 439,-131"/> <polygon fill="none" stroke="black" points="365,-129 311,-129 311,-93 365,-93 365,-129"/>
<text text-anchor="middle" x="408" y="-108.9" font-family="Sans" font-size="14.00">input0</text> <text text-anchor="middle" x="338" y="-107.3" font-family="Times,serif" font-size="14.00">input0</text>
</g> </g>
<!-- tx2_output1&#45;&gt;tx5_input0 --> <!-- tx2_output1&#45;&gt;tx5_input0 -->
<g id="edge19" class="edge"><title>tx2_output1&#45;&gt;tx5_input0</title> <g id="edge6" class="edge"><title>tx2_output1&#45;&gt;tx5_input0</title>
<path fill="none" stroke="black" d="M303.994,-179.974C323.682,-167.296 350.215,-150.21 371.554,-136.469"/> <path fill="none" stroke="black" d="M251.651,-175.99C267.256,-164.108 287.891,-148.395 304.962,-135.396"/>
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<text text-anchor="middle" x="342" y="-168.4" font-family="Sans" font-size="14.00">20k</text> <text text-anchor="middle" x="282.5" y="-163.8" font-family="Times,serif" font-size="14.00">20k</text>
</g> </g>
<!-- tx3_output0 --> <!-- tx3_output0 -->
<g id="node14" class="node"><title>tx3_output0</title> <g id="node10" class="node"><title>tx3_output0</title>
<polygon fill="none" stroke="black" points="444,-355 372,-355 372,-319 444,-319 444,-355"/> <polygon fill="none" stroke="black" points="367,-349 309,-349 309,-313 367,-313 367,-349"/>
<text text-anchor="middle" x="408" y="-332.9" font-family="Sans" font-size="14.00">output0</text> <text text-anchor="middle" x="338" y="-327.3" font-family="Times,serif" font-size="14.00">output0</text>
</g> </g>
<!-- utxo0 --> <!-- utxo0 -->
<!-- tx3_output0&#45;&gt;utxo0 --> <!-- tx3_output0&#45;&gt;utxo0 -->
<g id="edge25" class="edge"><title>tx3_output0&#45;&gt;utxo0</title> <g id="edge9" class="edge"><title>tx3_output0&#45;&gt;utxo0</title>
<path fill="none" stroke="black" stroke-dasharray="5,2" d="M444.204,-337C498.689,-337 598.917,-337 632.049,-337"/> <path fill="none" stroke="black" stroke-dasharray="5,2" d="M367.372,-331C412.751,-331 499.597,-331 529.544,-331"/>
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<text text-anchor="middle" x="540" y="-358.4" font-family="Sans" font-size="14.00">20k Unspent TX</text> <text text-anchor="middle" x="449" y="-349.8" font-family="Times,serif" font-size="14.00">20k Unspent TX</text>
<text text-anchor="middle" x="540" y="-341.4" font-family="Sans" font-size="14.00">Output (UTXO)</text> <text text-anchor="middle" x="449" y="-334.8" font-family="Times,serif" font-size="14.00">Output (UTXO)</text>
</g> </g>
<!-- tx4_output0 --> <!-- tx4_output0 -->
<g id="node17" class="node"><title>tx4_output0</title> <g id="node12" class="node"><title>tx4_output0</title>
<polygon fill="none" stroke="black" points="444,-216 372,-216 372,-180 444,-180 444,-216"/> <polygon fill="none" stroke="black" points="367,-212 309,-212 309,-176 367,-176 367,-212"/>
<text text-anchor="middle" x="408" y="-193.9" font-family="Sans" font-size="14.00">output0</text> <text text-anchor="middle" x="338" y="-190.3" font-family="Times,serif" font-size="14.00">output0</text>
</g> </g>
<!-- tx6_input0 --> <!-- tx6_input0 -->
<g id="node22" class="node"><title>tx6_input0</title> <g id="node15" class="node"><title>tx6_input0</title>
<polygon fill="none" stroke="black" points="571,-193 509,-193 509,-157 571,-157 571,-193"/> <polygon fill="none" stroke="black" points="476,-191 422,-191 422,-155 476,-155 476,-191"/>
<text text-anchor="middle" x="540" y="-170.9" font-family="Sans" font-size="14.00">input0</text> <text text-anchor="middle" x="449" y="-169.3" font-family="Times,serif" font-size="14.00">input0</text>
</g> </g>
<!-- tx4_output0&#45;&gt;tx6_input0 --> <!-- tx4_output0&#45;&gt;tx6_input0 -->
<g id="edge21" class="edge"><title>tx4_output0&#45;&gt;tx6_input0</title> <g id="edge7" class="edge"><title>tx4_output0&#45;&gt;tx6_input0</title>
<path fill="none" stroke="black" d="M444.163,-186.661C449.439,-185.273 454.833,-183.995 460,-183 472.421,-180.608 486.074,-178.907 498.529,-177.707"/> <path fill="none" stroke="black" d="M367.07,-188.592C380.673,-185.971 397.175,-182.792 411.72,-179.99"/>
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<text text-anchor="middle" x="474" y="-187.4" font-family="Sans" font-size="14.00">10k</text> <text text-anchor="middle" x="393.5" y="-189.8" font-family="Times,serif" font-size="14.00">10k</text>
</g> </g>
<!-- tx5_output0 --> <!-- tx5_output0 -->
<g id="node20" class="node"><title>tx5_output0</title> <g id="node14" class="node"><title>tx5_output0</title>
<polygon fill="none" stroke="black" points="444,-77 372,-77 372,-41 444,-41 444,-77"/> <polygon fill="none" stroke="black" points="367,-75 309,-75 309,-39 367,-39 367,-75"/>
<text text-anchor="middle" x="408" y="-54.9" font-family="Sans" font-size="14.00">output0</text> <text text-anchor="middle" x="338" y="-53.3" font-family="Times,serif" font-size="14.00">output0</text>
</g> </g>
<!-- tx6_input1 --> <!-- tx6_input1 -->
<g id="node23" class="node"><title>tx6_input1</title> <g id="node16" class="node"><title>tx6_input1</title>
<polygon fill="none" stroke="black" points="571,-139 509,-139 509,-103 571,-103 571,-139"/> <polygon fill="none" stroke="black" points="476,-137 422,-137 422,-101 476,-101 476,-137"/>
<text text-anchor="middle" x="540" y="-116.9" font-family="Sans" font-size="14.00">input1</text> <text text-anchor="middle" x="449" y="-115.3" font-family="Times,serif" font-size="14.00">input1</text>
</g> </g>
<!-- tx5_output0&#45;&gt;tx6_input1 --> <!-- tx5_output0&#45;&gt;tx6_input1 -->
<g id="edge23" class="edge"><title>tx5_output0&#45;&gt;tx6_input1</title> <g id="edge8" class="edge"><title>tx5_output0&#45;&gt;tx6_input1</title>
<path fill="none" stroke="black" d="M444.07,-75.9418C461.202,-83.9887 481.747,-93.6389 499.422,-101.941"/> <path fill="none" stroke="black" d="M367.07,-72.9665C381.07,-80.9295 398.139,-90.6386 412.986,-99.0838"/>
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<text text-anchor="middle" x="474" y="-100.4" font-family="Sans" font-size="14.00">10k</text> <text text-anchor="middle" x="393.5" y="-97.8" font-family="Times,serif" font-size="14.00">10k</text>
</g> </g>
<!-- tx6_output0 --> <!-- tx6_output0 -->
<g id="node24" class="node"><title>tx6_output0</title> <g id="node17" class="node"><title>tx6_output0</title>
<polygon fill="none" stroke="black" points="576,-85 504,-85 504,-49 576,-49 576,-85"/> <polygon fill="none" stroke="black" points="478,-83 420,-83 420,-47 478,-47 478,-83"/>
<text text-anchor="middle" x="540" y="-62.9" font-family="Sans" font-size="14.00">output0</text> <text text-anchor="middle" x="449" y="-61.3" font-family="Times,serif" font-size="14.00">output0</text>
</g> </g>
<!-- utxo1 --> <!-- utxo1 -->
<!-- tx6_output0&#45;&gt;utxo1 --> <!-- tx6_output0&#45;&gt;utxo1 -->
<g id="edge27" class="edge"><title>tx6_output0&#45;&gt;utxo1</title> <g id="edge10" class="edge"><title>tx6_output0&#45;&gt;utxo1</title>
<path fill="none" stroke="black" stroke-dasharray="5,2" d="M576.024,-67C595.705,-67 618.71,-67 631.993,-67"/> <path fill="none" stroke="black" stroke-dasharray="5,2" d="M478.477,-65C496.038,-65 517.497,-65 529.873,-65"/>
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<text text-anchor="middle" x="613" y="-88.4" font-family="Sans" font-size="14.00">10k</text> <text text-anchor="middle" x="513" y="-83.8" font-family="Times,serif" font-size="14.00">10k</text>
<text text-anchor="middle" x="613" y="-71.4" font-family="Sans" font-size="14.00">UTXO</text> <text text-anchor="middle" x="513" y="-68.8" font-family="Times,serif" font-size="14.00">UTXO</text>
</g> </g>
<!-- txold --> <!-- txold -->
<!-- txold&#45;&gt;tx0_input0 --> <!-- txold&#45;&gt;tx0_input0 -->
<g id="edge9" class="edge"><title>txold&#45;&gt;tx0_input0</title> <g id="edge1" class="edge"><title>txold&#45;&gt;tx0_input0</title>
<path fill="none" stroke="black" stroke-dasharray="1,5" d="M1.84293,-424C8.67759,-424 55.6789,-424 91.4816,-424"/> <path fill="none" stroke="black" stroke-dasharray="1,5" d="M1.0761,-420C2.98148,-420 40.2834,-420 69.8738,-420"/>
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<text text-anchor="middle" x="40" y="-462.4" font-family="Sans" font-size="14.00">100,000</text> <text text-anchor="middle" x="31.5" y="-453.8" font-family="Times,serif" font-size="14.00">100,000</text>
<text text-anchor="middle" x="40" y="-445.4" font-family="Sans" font-size="14.00">(100k)</text> <text text-anchor="middle" x="31.5" y="-438.8" font-family="Times,serif" font-size="14.00">(100k)</text>
<text text-anchor="middle" x="40" y="-428.4" font-family="Sans" font-size="14.00">satoshis</text> <text text-anchor="middle" x="31.5" y="-423.8" font-family="Times,serif" font-size="14.00">duffs</text>
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</g> </g>
</svg> </svg>

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