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myarbrough@oreilly.com 2014-11-18 12:40:38 -08:00
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@ -229,7 +229,7 @@ Proof of stake is a system by which existing owners of a currency can "stake" cu
==== Anonymity-Focused Alt Coins: CryptoNote, Bytecoin, Monero, Zerocash/Zerocoin, Darkcoin ==== Anonymity-Focused Alt Coins: CryptoNote, Bytecoin, Monero, Zerocash/Zerocoin, Darkcoin
((("alt coins","anonymity focused", id="ix_ch09-asciidoc3", range="startofrange")))((("currencies, alternative","anonymity focused", id="ix_ch09-asciidoc4", range="startofrange")))Bitcoin is often mistakenly characterized as "anonymous" currency. In fact, it is relatively easy to connect identities to bitcoin addresses and, using big-data analytics, connect addresses to each other to form a comprehensive picture of someone's bitcoin spending habits. Several alt coins aim to address this issue directly by focusing on strong anonymity. The first such attempt is most likely _Zerocoin_, a meta-coin protocol for preserving anonymity on top of bitcoin, introduced with a paper at the((("IEEE Symposium on Security and Privacy"))) 2013 IEEE Symposium on Security and Privacy. Zerocoin will be implemented as a completely separate alt-coin called Zerocash, in development at time of writing. An alternative approach to anonymity was launched with _CryptoNote_ in a paper published in October 2013. CryptoNote is a foundational technology that is implemented by a number of alt-coin forks discussed next. In addition to Zerocash and CryptoNotes, there are several other independent anonymous coins, such as Darkcoin that use stealth addresses or transaction re-mixing to deliver anonymity. ((("alt coins","anonymity focused", id="ix_ch09-asciidoc3", range="startofrange")))((("currencies, alternative","anonymity focused", id="ix_ch09-asciidoc4", range="startofrange")))Bitcoin is often mistakenly characterized as "anonymous" currency. In fact, it is relatively easy to connect identities to bitcoin addresses and, using big-data analytics, connect addresses to each other to form a comprehensive picture of someone's bitcoin spending habits. Several alt coins aim to address this issue directly by focusing on strong anonymity. The first such attempt is most likely _Zerocoin_, a meta-coin protocol for preserving anonymity on top of bitcoin, introduced with a paper at the((("IEEE Symposium on Security and Privacy"))) 2013 IEEE Symposium on Security and Privacy. Zerocoin will be implemented as a completely separate alt coin called Zerocash, in development at time of writing. An alternative approach to anonymity was launched with _CryptoNote_ in a paper published in October 2013. CryptoNote is a foundational technology that is implemented by a number of alt coin forks discussed next. In addition to Zerocash and CryptoNotes, there are several other independent anonymous coins, such as Darkcoin, that use stealth addresses or transaction re-mixing to deliver anonymity.
===== Zerocoin/Zerocash ===== Zerocoin/Zerocash
@ -237,7 +237,7 @@ Proof of stake is a system by which existing owners of a currency can "stake" cu
===== CryptoNote ===== CryptoNote
((("CryptoNote")))CryptoNote is a reference implementation alt-coin that provides the basis for anonymous digital cash that was introduced in October 2013. It is designed to be "forked" into different implementations and has a built-in periodic reset mechanism that makes it unusable as a currency itself. Several alt-coins have been spawned from CryptoNote, including((("Aeon (AEON) alt-coin")))((("Boolberry (BBR) alt-coin")))((("Bytecoin (BCN)")))((("duckNote (DUCK) alt-coin")))((("Fantomcoin (FCN) alt-coin")))((("Monero (XMR) alt-coin")))((("MonetaVerde (MCN) alt-coin")))((("Quazarcoin (QCN) alt-coin"))) Bytecoin (BCN), Aeon (AEON), Boolberry (BBR), duckNote (DUCK), Fantomcoin (FCN), Monero (XMR), MonetaVerde (MCN), and Quazarcoin (QCN). CryptoNote is also notable for being a complete ground-up implementation of a crypto-currency, not a fork of bitcoin. ((("CryptoNote")))CryptoNote is a reference implementation alt coin that provides the basis for anonymous digital cash. It was introduced in October 2013. It is designed to be forked into different implementations and has a built-in periodic reset mechanism that makes it unusable as a currency itself. Several alt-coins have been spawned from CryptoNote, including((("Aeon (AEON) alt-coin")))((("Boolberry (BBR) alt-coin")))((("Bytecoin (BCN)")))((("duckNote (DUCK) alt-coin")))((("Fantomcoin (FCN) alt-coin")))((("Monero (XMR) alt-coin")))((("MonetaVerde (MCN) alt-coin")))((("Quazarcoin (QCN) alt-coin"))) Bytecoin (BCN), Aeon (AEON), Boolberry (BBR), duckNote (DUCK), Fantomcoin (FCN), Monero (XMR), MonetaVerde (MCN), and Quazarcoin (QCN). CryptoNote is also notable for being a complete ground-up implementation of a crypto-currency, not a fork of bitcoin.
===== Bytecoin ===== Bytecoin