Private financial transactions,
enabled by the Zerocoin Protocol

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比特币在隐私方面的问题

btc-ledger-dark

共有账簿

为了解决“双花”问题,比特币所有转账交易存储在一个公共账簿上

bt-thief-analysis-network

网络

研究表明,分析社交网络拓扑结构的技术同样可以用在比特币网络拓扑结构上

nsa

支离破碎的隐私性

人人可以利用公共账簿侵犯他人隐私,包括强力部门,如NSA

ZCoin 如何提升比特币在隐私保护方面的缺陷?

mint

铸币

Zcoin的零币技术,可以将公共账簿上的币铸成具有隐私属性的币

spend

花销

当需要使用已经铸造好的币时,其拥有者无需透漏其来源

repeat

重复

铸币和花销过程可重复若干次,以保证完全匿名

“I really like [the] very creative idea...to have a pure-Zerocoin system”

Hal FinneyRecipient of first Bitcoin transaction

“If you want cryptographic anonymity its better to look to Zerocoin.”

Adam BackInventor of HashCash, referenced by Satoshi in the Bitcoin whitepaper

“It’s more than just a fascinating concept; a startup called Moneta [now ZCoin] has gone and implemented the Zerocoin protocol (along with other blockchain improvements.) Their “genesis block” — the launch of their blockchain — is scheduled for the next few months.”

TechCrunch

“Zcoin is the first implementation of the Zerocoin protocol into a fully functional cryptocurrency. A truly exciting moment for all privacy conscious crypto-currency enthusiasts.”

Roger VerZcoin Investor

“In the conventional multi-party anti-taint protocol, every participant knows the mapping from inputs to outputs. But in your improved protocol using libzerocoin, nobody sees the mapping.”

Hal FinneyRecipient of first Bitcoin transaction

“The Zerocoin protocol was written in 2013 as a privacy-enhancing layer intended for Bitcoin. But as a stand-alone protocol, it’s also been up-for-grabs for any other enterprising coin. Gary Le and Poramin Insom have taken that grab, today launching the testnet of a new cryptocurrency called Moneta [now ZCoin] .”

Bitcoin.com

“Bitcoin, despite its reputation as anonymous internet cash, was never designed for perfectly private payments. For the promise of fully untraceable money, cryptocurrency fans have been waiting for Zerocoin—a technology designed to have default uncrackable anonymity”

Wired

“If bitcoin main choses not to integrate zerocoin - and indications so far is it wont for compute and storage efficiency reasons, and perhaps other reasons, then maybe this would be something interesting for a new altcoin.”

Adam BackInventor of HashCash, referenced by Satoshi in the Bitcoin whitepaper

“Bitcoin, despite its reputation as anonymous internet cash, was never designed for perfectly private payments. For the promise of fully untraceable money, cryptocurrency fans have been waiting for Zerocoin—a technology designed to have default uncrackable anonymity.”

Wired

“ZeroCoin, a blockchain protocol that grants total and absolute transaction anonymity, has finally been brought from concept to implementation. The protocol will allow developers to create coins that, linked to the Bitcoin network, will grant transactions anonymization.”

CoinTelegraph

“Bitcoin transactions are published on the blockchain...Zerocoin’s blockchain, on the other hand, uses a cryptographic trick known as a “zero-knowledge proof” to guarantee that transactions in the Zerocoin economy aren’t fraudulent or forged.”

Wired

“An alt coin with an integrated ZeroCoin would be a very interesting thing to play with.”

Mike HearnFormer Bitcoin Core Developer

“About privacy in my view bitcoin is a bit too open which I think is not so much by design, but because its difficult to have privacy and the auditability SPV operation needs, because miners need to validate, and to validate they need to see amounts and transfer histories. (Hence the interest in zerocoin and zerocoin2.)”

Adam BackInventor of HashCash, referenced by Satoshi in the Bitcoin whitepaper

“The users want more privacy once they realize how weak [Bitcoin] privacy is. It’s somewhat related to putting your bank statement and credit card statement online, with your name and address on it”

Adam BackInventor of HashCash, referenced by Satoshi in the Bitcoin whitepaper

“Privacy is also essential for fair markets: Without privacy your counter-parties and competition can see into your finances— get a raise and get a rent hike, and as long as there are power imbalances between people privacy is essential for human dignity.”

Gregory MaxwellBitcoin Core Developer

“Taint and tracability of taint is bad because it affects fungibility (in a p2p respendable ecash system like bitcoin, random users end up holding retroactively tainted and reduced value or unspendable coins through no fault of their own, and this erodes confidence).”

Adam BackInventor of HashCash, referenced by Satoshi in the Bitcoin whitepaper
Zcoin采用零币协议,是全球隐私属性最强的加密货币协议

Zcoin解决了之前虚拟币碰到的问题。Zcoin采用零币协议,通过零知识加密学证明实现了完全匿名。零知识证明实现了拥有Zcoin而无从知晓拥有者身份的目标。Zerocoin协议白皮书见此 —- 白皮书

Find out moreFollow @ZcoinProject
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