Steemit Crypto Academy Contest / S12W6: Privacy is important

السَّلاَمُ عَلَيْكُمْ وَرَحْمَةُ اللهِ وَبَرَكَاتُهُ

Hello Everyone

In the current era of rapid crypto development, personal information security is really needed, so several Blockchains certainly have various ways to maintain the security of the assets and data of each user.

So, Blockchain owners are competing to create security for their data and user information, so let's go to this topic !.

What is Zero Knowledge Protocol (ZKP)? Give your opinion and explain examples.

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Zero Knowledge Protocol (ZKP) is a concept in cryptography that allows one party to prove to another party that we have information without having to reveal that information clearly.

In ZKP, this verification can be done without disclosing details about the actual information, so that the verifying party only gets confidence that the information is correct without knowing the information itself.

One example that can be easily understood about how ZKP works is:

There is a trader who is selling, and then asks a customer to prove that his age is above the legal limit.

Such customers can prove this using ZKP by producing evidence showing that they are over a certain age limit without having to reveal their actual date of birth, this can involve interacting with verified data without disclosing the actual information.

So with ZKP, traders can be sure that the customer is old enough to buy alcoholic drinks or cigarettes without having to know the individual's date of birth.

What is the ZK-SNARK protocol? Give your own opinion.

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Source

The ZK-SNARK protocol is a type of ZKP protocol which has the special characteristic of having the ability to allow a party to prove to another party that they have information, without having to interact directly with both parties.

ZK-SNARK is very influential and helpful in the crypto world because thanks to its ability to prove knowledge very concisely, through a very fast evaluation process, so ZK-SNARK is really needed in maintaining the security of the blockchain system.

How does ZK-SNARK work and is it possible to adapt it to the Steem Blockchain? Give your own opinion.

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Source

ZK-SNARK is very possible to be applied to the Steem Blockchain or several other Blockchains, because with its security capabilities it can be concluded that all of it can be applied to the Steem Blockchain through collaborative efforts or development from the developer community and also from the Steemit team.

What is the difference between ZK-SNARK and ZK-STARK? Explain

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ZK-SNARK is a non-interactive protocol, meaning that the verification is only done once, and we can do the verification without the need for additional communication.

This makes ZK-SNARK can be used in situations where interaction is limited, such as in Blockchain.

ZK-STARK is a non-interactive protocol too, but has some differences in terms of a periodic approach, so ZK-STARK can take a more periodic approach and allows more efficient proof in some cases, making it more complex.

What are the main privacy mechanisms used by the Steem Blockchain?

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The Steem blockchain is a protocol designed to build decentralized social media platforms. Some of the first blockchain social media projects built on Steem include Steemit, D.tube, and Dlive.

The Steem blockchain has security provided to each user when registering on Steemit, which is divided into several keys, such as Private Posting Key, Private Active Key, Private Memo Key, and Private Owner Key. and all of that is called Steem Key.

So, maybe this is all I can say on this occasion, so I also want to invite several other steemians to participate in this extraordinary contest such as @ikwal, @sailawana, @dikimon2 and other steemian friends.