Consensus Décentralisé - Blockchains - Smart Contracts - Decentralized Consensus
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Consensus Décentralisé - Blockchains - Smart Contracts - Decentralized Consensus
Covering Blockchain, Ethereum, Smart Contracts and Decentralized Consensus Topics at large in both english et en français.
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Scooped by Philippe J DEWOST
December 22, 2017 1:06 PM
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Bitcoin and almost every other cryptocurrency crashed hard today

Bitcoin and almost every other cryptocurrency crashed hard today | Consensus Décentralisé - Blockchains - Smart Contracts - Decentralized Consensus | Scoop.it
Bitcoin has been on a tear this past with the value of the cryptocurrency jumping from $8,000 to nearly $20,000. Well that run hit an abrupt end today as the price crashed as much as 23 percent on Coinbase. The price briefly dipped below $12,000 on some exchanges at around 7:30 am London time.The drop — which wiped more than $4,000 from the value of bitcoin at one point — was the highest percentage loss of value that bitcoin has seen this year. The cryptocurrency was valued at just $998 on January 1 2017 and it soared to a record high of nearly $20,000 on some exchanges earlier this week.
Philippe J DEWOST's insight:
Most interesting is that nobody really knows either why today’s 23% crash nor why this year’s 15x rally... and the article footnote is hilarious per se.
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Scooped by Philippe J DEWOST
November 28, 2016 12:52 PM
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What Investors Should Know Before Trading Zcash - CoinDesk

What Investors Should Know Before Trading Zcash - CoinDesk | Consensus Décentralisé - Blockchains - Smart Contracts - Decentralized Consensus | Scoop.it

Bitcoin, which had its genesis block mined in 2009, was the first digital currency to scale. While many early adopters took interest in bitcoin because of its promise of privacy, the digital currency failed to provide this benefit, as interested parties can examine the transactions recorded on bitcoin’s blockchain to get a sense of exactly what a person or entity has purchased.
In the years following bitcoin’s release, developers have created privacy-oriented digital currencies including Dash and Monero. Both of these use innovative technologies to help increase the chances of their users remaining anonymous.
Dash leverages a technique called "CoinJoin", in which several users put funds into the same transaction in order to increase the chances of privacy. Alternatively, Monero harnesses ring signatures to reduce the chance of detection.
Both of these cryptocurrencies have made great progress toward realizing the goal of anonymous transactions, and Monero has received widespread adoption in the dark web.
However, Zcash’s technology seemingly gives users the ability to enjoy an even greater level of privacy. By allowing users to remain anonymous, Zcash can provide them with greater fungibility.
This is because many digital currency transactions rely on the use of private keys – strings of letters and numbers that identify a user. An address can become attached to several transactions over time, making it easy for friends, family, marketers or even government authorities to learn more about a person’s purchasing trends.
And if a user’s private key is attached to certain transactions, some parties may refuse to accept his or her money. This is where Zcash comes in.

Philippe J DEWOST's insight:

Everything you wanted (and should) know about Zcash without ever daring asking... Plus a new intriguing acronym as zk-SNARK enters the scene when it comes to establishing consensus.

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