Four projects which can solve the paradox of privacy Ethereum

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2018-06-11 18:30:15

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Four projects which can solve the paradox of privacy Ethereum Source:

Ethereum is transparent to the bone. Like Bitcoin, this platform uses transparency as part of their own security — and to some extent by ensuring that users will not be able to forge transactions. However, in respect of this transparency there are new questions and possible problems for business.

Previously, these issues of privacy were replaced by other pressing issues, such as scaling, but now, it seems, come to the fore. Last month, the Creator of Ethereum, Vitalik Buterin made a statement about a new look at these things:

"I'm definitely more in favor of privacy than a few years ago," wrote Buterin.

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What is privacy on the platform Ethereum?

Not only Buterin changed his mind. Several other developers and companies are developing methods to hide some of the information currently transmitted over the network, at the request of users.

"From the point of view of the blockchain we always talk about privacy, but it mostly looks like data security," says Kahn Kishun, cofounder Enigma of a startup that develops methods to improve the preservation of privacy in Ethereum.

Since then, in may in Europe adopted the law on data protection GDPR, a new trend is gaining momentum. Although it is unclear how the GDPR will affect companies working on Ethereum, a number of applications simply impossible to implement if all the information is in plain sight.

According to Kiahuna, many projects Ethereum on voting, location data, social media and identity are likely to be limited to the radical transparency of the blockchain.

Jutta Steiner, CEO of Parity Technologies, the second largest software vendor for Ethereum, believes that without the layer of privacy Ethereum will not reach its goal of becoming a decentralized global computer.

"I believe in the power of the blockchain itself, but it becomes even more interesting when you combine it with other cryptographic technology that allows you to create this, in the end, the perfect anonymous computer, global computer on which you can rely and which will be quick."

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Secret storage

Last month, Parity, introduced Secret Store — software that encrypts the information, distributing the keys among the elected members, who can access it. In a sense, it gives permission to customers to create and manage cryptographic secrets on the Ethereum platform.

"It encodes both a location and the actual code of the smart contract, so, assuming that you trust the parties and they will not conflict, will ensure the privacy of any transaction, which simulates and implements the contract," explains Steiner.

Although Steiner emphasizes that the Secret Store is still in earlier stages of development and have not been studied by third-party auditors, already tested in the partnership company with a Global network of farmers.

"They use it to share data between parties who do not trust others in the supply chain," says Steiner.

And even though Steiner said that the use of the software is trusted among the customers Parity is a good test in the future Parity implements it in Ethereum. For adequate data protection, you have to enter a lot of innovations — the introduction of many technologies has been postponed because of the risks that transparency Ethereum might pose to sensitive data.

The Secret Store and other privacy tools "will lead to the emergence of innovation in a space that did not see them because of strict privacy restrictions," says Steiner. "Medical data, for example, should not be placed on the centralized server, I have to answer for them, I should be the competent authority, which is needed for their extraction".

And because all of this is tied to compliance with GDPR, there is still a lot of difficulties.

For Example, Parity has closed the tool identification — ICO Passport Service, which was checking people in at the locations Ethereum companies to comply with the KYC (Know Your Customer, "know your client") in accordance with the law.

Vpochem, according to Steiner, in a sense GDPR to the concept of privacy Parity.

"as a Secret tool Store sells the same purpose, and GPPR. From our point of view, we pursue the same goals, but the blockchain in principle, its fundamentally they do not correspond".

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Secret contracts

Another project relating to personal data, "secret contracts" Enigma, provides developers of decentralized applications (dapp) some flexibility in hides certain data.

In the upcoming release, secret contracts can provide a reliable execution environment for dapp developers which will allow to deploy smart contracts Ethereum without publication of this information in the network. The trusted execution environment will be the private store data which will protect Enigma.

Thus, even nodes that will carry out the calculations, will not know the contents of this vault. But confirmation of these calculations will be transferred to the Ethereum blockchain, so some genuine and transparent record of transactions will continue.

"We start working with trusted execution environments, if only because it gives a much more pleasant development experience to our users, application developers for Ethereum," says Kishon, one of the creators of Enigma and comes from MIT.

In the future, the startup intends to implement a more decentralized approach using multi-party as a way to protect complex data sets. And although it may degrade performance, such a sacrifice is perfectly acceptable if we are talking about highly sensitive data.

While Enigma plans in the future to use their technology for other platforms, smart contracts, currently, the team is addressing privacy issues in Ethereum.

"Ethereum at the moment is definitely the most active community, the most positive synchronized brainstorming, and we want to leverage this dynamic ecosystem of developers," says Kishon.

"I think, in cryptography it is fair to say that you are so strong, how strong your ecosystem; this is due to the choice of our initial path."

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the secrets of the lock-in time

Created within the 36-hour Ethereum hackaton in Argentina last month, Kimono — this project is confidentiality, which combines encryption with game theory.

Designed by four developers of a startup from San Francisco, Hill Street Labs — Paul Fletcher-hill, Feridun MERT-Celeblation, Graham it's "CAMMER" and Danilom Kve — this project is aimed at solving the problem, which has long been discussed in different blockchain communities: the secrets of lock-in time.

Kimono works by combining the type of algorithm called Shamir''s Secret Sharing, which splits the data into parts and use the incentive scheme to the participants were shown the data at an agreed time. If users attempt to game the system, to forge data or publish them too early, they will be punished.

Although there are other similar methods such as the scheme of fixing and erection, the Kimono aims to improve the user experience time passing this task on the performance of the network stakeholders.

"We consider the concept of time as an important entity and would like to improve it and bring it to the level of true decentralization and the power of attorney," says Celibat. He also suggests that the promotion scheme can be extended to the time was not the only variable that releases the secret.

"We could build a structure that would reveal the data after certain events — not only relying on the function of time as a variable, but also on other conditions satisfied bloccano," he said.

Currently this software is tested to testname Rinkeby and will eventually be integrated into future project Hill Street Labs.

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More secrets

And finally, although it is still a proposal, code change, called EIP 1024-created by Tope Alabi must implement a simple encryption-decryption on the Ethereum blockchain.

Explaining his proposal, Alabi said that "EIP 1024 allows you to generate key pair encrypt using your private key Ethereum. New key pair can be used for secure data transmission to any other address Ethereum".

Again, while such technologies already exist, EIP 1024 sets a standard that will work across the Ethereum. That is, application developers will not have to worry about creating multiple implementations of encryption and you can simply concentrate on creating your application.

"Privacy can be a catalyst that aboard the blockchain will rise another billion users," says Alabi. "In the world of the blockchain where your public and private keys is, in fact, your digital identity, we need a method of transmitting confidential information in such a way as not to be censored by any Central authority".

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