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<ul class="chapter"><li><a href="./Intro.html"><strong>1.</strong> Intro</a></li><li><a href="./DagHistory.html"><strong>2.</strong> History</a></li><li><a href="./Wallet.html"><strong>3.</strong> Wallet</a></li><li><ul class="section"><li><a href="./Deterministic_wallet.html" class="active"><strong>3.1.</strong> Deterministic Wallet</a></li><li><a href="./Mnemonic.html"><strong>3.2.</strong> Mnemonic</a></li></ul></li><li><a href="./Testnet.html"><strong>4.</strong> Testnet & faucet</a></li><li><ul class="section"><li><a href="./BTC_testnet.html"><strong>4.1.</strong> Bitcoin Testnet</a></li><li><a href="./ETH_testnet.html"><strong>4.2.</strong> Ethereum Testnet</a></li><li><a href="./GByte_testnet.html"><strong>4.3.</strong> Byteball Testnet</a></li></ul></li><li><a href="./Address.html"><strong>5.</strong> Address</a></li><li><ul class="section"><li><a href="./btc_addr.html"><strong>5.1.</strong> Bitcoin Address</a></li></ul></li><li><a href="./Data_Structure.html"><strong>6.</strong> Data Structure</a></li><li><ul class="section"><li><a href="./Transcation.html"><strong>6.1.</strong> Transcation</a></li><li><a href="./btc_tx.html"><strong>6.2.</strong> Bitcoin Transaction</a></li><li><a href="./MerkleTree.html"><strong>6.3.</strong> MerkleTree</a></li><li><a href="./PatriciaTree.html"><strong>6.4.</strong> PatriciaTree</a></li><li><a href="./IAVL_Tree.html"><strong>6.5.</strong> Merkleized IAVL+ Tree</a></li><li><a href="./MerkleDAG.html"><strong>6.6.</strong> MerkleDAG</a></li></ul></li><li><a href="./Data_Storage.html"><strong>7.</strong> Data Storage</a></li><li><ul class="section"><li><a href="./btc_datastore.html"><strong>7.1.</strong> Bitcoin</a></li></ul></li><li><a href="./Consensus.html"><strong>8.</strong> Consensus algorithm</a></li><li><ul class="section"><li><a href="./Consensus_POS_Ouroboros.html"><strong>8.1.</strong> IOHK/Ouroboros</a></li><li><a href="./DFINITY.html"><strong>8.2.</strong> DFINITY</a></li><li><a href="./Stellar.html"><strong>8.3.</strong> Stellar(SCP)</a></li><li><a href="./Matrix.html"><strong>8.4.</strong> Matrix</a></li><li><a href="./Ripple.html"><strong>8.5.</strong> Ripple</a></li><li><a href="./Casper.html"><strong>8.6.</strong> Casper</a></li><li><a href="./PoA.html"><strong>8.7.</strong> POA(Parity)</a></li><li><a href="./Terndermint.html"><strong>8.8.</strong> Tendermint</a></li><li><a href="./Delegated_Consensus.html"><strong>8.9.</strong> dBFT(NEO/Antshare)/dPOS(BTS/Steem/EOS/Lisk)</a></li><li><a href="./Algorand.html"><strong>8.10.</strong> Algorand</a></li></ul></li><li><a href="./Scalability.html"><strong>9.</strong> Scalability</a></li><li><ul class="section"><li><a href="./Ouroboros_Praos.html"><strong>9.1.</strong> Ouroboros Praos</a></li><li><a href="./EOS.html"><strong>9.2.</strong> EOS</a></li><li><a href="./eth_parallelizability.html"><strong>9.3.</strong> Ethereum Parallelizability</a></li></ul></li><li><a href="./Validation.html"><strong>10.</strong> Validation</a></li><li><ul class="section"><li><a href="./Segwit.html"><strong>10.1.</strong> Segwit</a></li><li><a href="./Multisignature.html"><strong>10.2.</strong> Multisignature</a></li><li><a href="./Tx_Malleability.html"><strong>10.3.</strong> Transaction Malleability</a></li><li><a href="./Double_Spend.html"><strong>10.4.</strong> Double Spend</a></li><li><a href="./Peplay_Protect.html"><strong>10.5.</strong> Replay Protection</a></li><li><a href="./TrueBit.html"><strong>10.6.</strong> Truebit</a></li></ul></li><li><a href="./Money_Denomiation_Token.html"><strong>11.</strong> Money & Token</a></li><li><ul class="section"><li><a href="./TxFee_BTC.html"><strong>11.1.</strong> Bitcoin TxFee</a></li><li><a href="./RBF.html"><strong>11.2.</strong> Bitcoin Replace by fee</a></li><li><a href="./TxFee_ETH.html"><strong>11.3.</strong> Ethereum TxFee</a></li><li><a href="./ERC20.html"><strong>11.4.</strong> ERC20/ERC223/ERC721</a></li></ul></li><li><a href="./Crypto.html"><strong>12.</strong> Crypto Algorithm</a></li><li><ul class="section"><li><a href="./secp256k1.html"><strong>12.1.</strong> secp256k1</a></li><li><a href="./ZK-SNARKs.html"><strong>12.2.</strong> ZKP/ZK-SNARKs</a></li><li><a href="./CoinJoin.html"><strong>12.3.</strong> CoinJoin</a></li><li><a href="./RingSig.html"><strong>12.4.</strong> RingSig</a></li><li><a href="./Crypto_SM.html"><strong>12.5.</strong> SMx</a></li><li><a href="./PQC.html"><strong>12.6.</strong> Post-Quantum Cryptography</a></li></ul></li><li><a href="./Messaging.html"><strong>13.</strong> Messaging</a></li><li><a href="./Node_Discovery.html"><strong>14.</strong> Node discovery</a></li><li><ul class="section"><li><a href="./Gossip_Protocol.html"><strong>14.1.</strong> Gossip Protocol</a></li><li><a href="./DHT_Protocol.html"><strong>14.2.</strong> DHT Protocol</a></li></ul></li><li><a href="./Sync.html"><strong>15.</strong> Synchronization</a></li><li><ul class="section"><li><a href="./btc_sync.html"><strong>15.1.</strong> Bitcoin Header frist</a></li></ul></li><li><a href="./Interconnecting.html"><strong>16.</strong> Interconnect & Cross-chain</a></li><li><ul class="section"><li><a href="./ILP.html"><strong>16.1.</strong> Interledger Protocol (ILP)</a></li><li><a href="./DID.html"><strong>16.2.</strong> Decentralized Identifiers (DIDs)</a></li><li><a href="./0xProtocol.html"><strong>16.3.</strong> 0x Protocol</a></li><li><a href="./Polkadot.html"><strong>16.4.</strong> Polkadot</a></li><li><a href="./Cosmos.html"><strong>16.5.</strong> Cosmos</a></li><li><a href="./OmiseGO.html"><strong>16.6.</strong> OmiseGO</a></li></ul></li><li><a href="./Oracle.html"><strong>17.</strong> Oracle</a></li><li><ul class="section"><li><a href="./Gnosis.html"><strong>17.1.</strong> Gnosis</a></li><li><a href="./Augur.html"><strong>17.2.</strong> Augur</a></li><li><a href="./Amoveo.html"><strong>17.3.</strong> Amoveo</a></li><li><a href="./ZenProtocol.html"><strong>17.4.</strong> Zen Protocal</a></li></ul></li><li><a href="./SmartContract.html"><strong>18.</strong> SmartContract</a></li><li><ul class="section"><li><a href="./Asset_Contract.html"><strong>18.1.</strong> Asset</a></li><li><a href="./Loan_Contract.html"><strong>18.2.</strong> Loan</a></li></ul></li><li><a href="./VM.html"><strong>19.</strong> VM</a></li></ul>
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<a class="header" href="./Deterministic_wallet.html#intro" id="intro"><h3>Intro</h3></a>
<p>A deterministic wallet is a system of deriving keys from a single starting point known as a seed. The seed allows a user to easily back up and restore a wallet without needing any other information and can in some cases allow the creation of public addresses without the knowledge of the private key. Seeds are typically serialized into human-readable words in a Mnemonic phrase.</p>
<a class="header" href="./Deterministic_wallet.html#how-mew-works-with-ledger" id="how-mew-works-with-ledger"><h3>How MEW works with Ledger</h3></a>
<ul>
<li>https://github.com/kvhnuke/etherwallet/blob/f8fdab1ea92d436015119e3c2ba865308289e88d/app/scripts/controllers/decryptWalletCtrl.js#L21</li>
<li>https://github.com/kvhnuke/etherwallet/blob/f8fdab1ea92d436015119e3c2ba865308289e88d/app/scripts/controllers/decryptWalletCtrl.js#L43</li>
<li>https://github.com/kvhnuke/etherwallet/blob/f54c093c1b1e230b60e238582f2765afd61b2a05/app/scripts/staticJS/ledger-eth.js#L76</li>
<li>https://github.com/kvhnuke/etherwallet/blob/f54c093c1b1e230b60e238582f2765afd61b2a05/app/scripts/staticJS/ledger-eth.js#L45</li>
<li>https://github.com/LedgerHQ/blue-app-eth/blob/cdc8c7436c76d7600d855f1411b5bc00e55980b7/src_genericwallet/main.c#L63
<code>0x02 -> INS_GET_PUBLIC_KEY</code></li>
<li>https://github.com/LedgerHQ/blue-app-eth/blob/cdc8c7436c76d7600d855f1411b5bc00e55980b7/src_genericwallet/main.c#L2153</li>
<li>https://github.com/LedgerHQ/blue-app-eth/blob/dca33eab262730e94353c9c6ea57027389bb03da/src_common/ethUtils.c#L177</li>
</ul>
<a class="header" href="./Deterministic_wallet.html#how-mew-show-addresses" id="how-mew-show-addresses"><h4>How MEW show addresses</h4></a>
<p>以ledger为例，MEW了获取"m/44'/60'/0'"这个路径下的公钥，然后使用<code>hdkey</code>，得到5个derivedKey(m/0 ~m/4), 再使用<code>ethereumjs-util</code>生成了前五个地址。</p>
<ul>
<li>https://github.com/kvhnuke/etherwallet/blob/f8fdab1ea92d436015119e3c2ba865308289e88d/app/scripts/controllers/decryptWalletCtrl.js#L272
<code>result['publicKey'], result['chainCode']</code></li>
<li>https://github.com/kvhnuke/etherwallet/blob/f8fdab1ea92d436015119e3c2ba865308289e88d/app/scripts/controllers/decryptWalletCtrl.js#L267
注：hdk来自于<code>var HDKey = require('hdkey');</code>
<ul>
<li>https://github.com/cryptocoinjs/hdkey/blob/0.7.1/lib/hdkey.js#L13</li>
</ul>
</li>
<li>https://github.com/kvhnuke/etherwallet/blob/f8fdab1ea92d436015119e3c2ba865308289e88d/app/scripts/controllers/decryptWalletCtrl.js#L183</li>
<li>https://github.com/kvhnuke/etherwallet/blob/mercury/app/scripts/myetherwallet.js#L171
<ul>
<li>https://github.com/ethereumjs/ethereumjs-util/blob/v5.1.2/index.js#L287</li>
<li>https://github.com/ethereumjs/ethereumjs-util/blob/v5.1.2/index.js#L440</li>
</ul>
</li>
</ul>
<a class="header" href="./Deterministic_wallet.html#lets-see-electrum" id="lets-see-electrum"><h3>Let's see electrum</h3></a>
<ul>
<li>https://github.com/spesmilo/electrum/blob/3.0.1/lib/wallet.py#L1746</li>
<li>https://github.com/spesmilo/electrum/blob/3.0.1/lib/wallet.py#L93</li>
<li>https://github.com/spesmilo/electrum/blob/3.0.1/lib/wallet.py#L1645,L1655</li>
<li>https://github.com/spesmilo/electrum/blob/3.0.1/lib/wallet.py#L1638</li>
<li>https://github.com/spesmilo/electrum/blob/3.0.1/lib/keystore.py#L232</li>
<li>https://github.com/spesmilo/electrum/blob/3.0.1/lib/bitcoin.py#L1013</li>
<li>https://github.com/spesmilo/electrum/blob/3.0.1/lib/bitcoin.py#L878-L891</li>
<li>https://github.com/spesmilo/electrum/blob/3.0.1/lib/synchronizer.py</li>
</ul>
<a class="header" href="./Deterministic_wallet.html#server-side" id="server-side"><h4>Server side</h4></a>
<ul>
<li>client side request address history
<ul>
<li>https://github.com/spesmilo/electrum/blob/3.0.1/lib/network.py#L640</li>
</ul>
</li>
<li>https://github.com/spesmilo/electrum-server/blob/master/src/blockchain_processor.py#L310</li>
<li>https://github.com/spesmilo/electrum-server/blob/master/src/storage.py#L309</li>
<li>https://github.com/spesmilo/electrum-server/blob/master/src/storage.py#L205</li>
</ul>
<p>注意electrum混合使用了自己的levelDB库和bitcoind，某些调用走bitcoind，而某些调用走自己的库，例如utxo，address等。electurm会在后台同步（catch_up）bitcoind的数据，从bitcoind中读取block，然后存放在自己的数据库里面。这是为了优化查询。</p>
<ul>
<li>https://github.com/spesmilo/electrum-server/blob/master/src/blockchain_processor.py#L608</li>
<li>https://github.com/spesmilo/electrum-server/blob/master/src/blockchain_processor.py#L407</li>
</ul>
<a class="header" href="./Deterministic_wallet.html#account-discovery" id="account-discovery"><h4>Account discovery</h4></a>
<p>When the master seed is imported from an external source the software should
start to discover the accounts in the following manner:</p>
<ol>
<li>derive the first account's node (index = 0)</li>
<li>derive the external chain node of this account</li>
<li>scan addresses of the external chain; respect the gap limit described below</li>
<li>if no transactions are found on the external chain, stop discovery</li>
<li>if there are some transactions, increase the account index and go to step 1</li>
</ol>
<a class="header" href="./Deterministic_wallet.html#references" id="references"><h3>References</h3></a>
<ul>
<li>BIPs
<ul>
<li>BIP39 : Mnemonic code for generating deterministic keys
<ul>
<li>https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki</li>
</ul>
</li>
<li>BIP32 : Hierarchical Deterministic Wallets
<ul>
<li>https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki</li>
</ul>
</li>
<li>BIP43/BIP44 : Multi-Account Hierarchy for Deterministic Wallets
<ul>
<li>https://github.com/bitcoin/bips/blob/master/bip-0043.mediawiki</li>
<li>https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki</li>
<li>https://github.com/satoshilabs/slips/blob/master/slip-0044.md</li>
</ul>
</li>
</ul>
</li>
<li>https://en.bitcoin.it/wiki/Deterministic_wallet</li>
<li>https://en.bitcoin.it/wiki/Deterministic_wallet_tools</li>
</ul>
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