Sergey Nazarov and Ari Juels: DECO Acquisition and Ari Juels Chief Scientist for Chainlink Labs

Hello everyone Welcome to our conversation with Ari Juels Talk about the work we will start together in the future I would like to welcome Ari again to join Chainlink as the chief scientist Thanks to Ari for contributing his expertise and experience over the years, and working with us to solve the current problems that need to be solved Thanks to Ari for contributing his expertise and experience over the years, and working with us to solve the current problems that need to be solved Thanks to Ari for contributing his expertise and experience over the years, and working with us to solve the current problems that need to be solved Thanks to Ari for contributing his expertise and experience over the years, and working with us to solve the current problems that need to be solved We all thank him very much Working with him is also very pleasant He becomes the chief scientist of Chainlink and can be more closely involved in our business, which will enable Chainlink to achieve new breakthroughs in its development.

He becomes the chief scientist of Chainlink and can be more closely involved in our business, which will enable Chainlink to achieve new breakthroughs in its development. He becomes the chief scientist of Chainlink and can be more closely involved in our business, which will enable Chainlink to achieve new breakthroughs in its development. So I am very happy to be able to talk to him over the air I am also very happy to communicate with other members of the community about Chainlink's plans and development projects I am also very happy to communicate with other members of the community about Chainlink's plans and development projects I am also very happy to communicate with other members of the community about Chainlink's plans and development projects I think this will be a very exciting exchange and so Thanks again Ari for working with us The first question I want to ask is What is the nature of the problem we are committed to solving? In your opinion, why is this problem worth our investment of so much time to solve? In your opinion, why is this problem worth our investment of so much time to solve? you know The best problems in the computer field are easy to explain but difficult to solve The best problems in the computer field are easy to explain but difficult to solve Once you study these issues carefully, you will find that they are quite complex Of course, the consensus mechanism is the most well-known example in the blockchain field Of course, the consensus mechanism is the most well-known example in the blockchain field The first question to think about is: How hard is it for a group of servers to agree on a message or series of messages? The first question to think about is: How hard is it for a group of servers to agree on a message or series of messages? The first question to think about is: How hard is it for a group of servers to agree on a message or series of messages? At first glance it seems quite simple But the top computer scientists have been working on solving this problem for decades But the top computer scientists have been working on solving this problem for decades In 2008, Satoshi Nakamoto proposed this new solution In 2008, Satoshi Nakamoto proposed this new solution In 2008, Satoshi Nakamoto proposed this new solution I think the oracle problem is the same logic How difficult is it to transfer the correct data from several servers to the smart contract? How difficult is it to transfer the correct data from several servers to the smart contract? Can the transmission be completed within ten minutes But it’s almost as difficult to pursue "the truth" in a computer system as it is in real life But it’s almost as difficult to pursue "the truth" in a computer system as it is in real life What if there is a disagreement between the web servers? What if there is a disagreement in the oracle? What if there is an attacker? In fact, there are some similarities between the oracle problem and the consensus problem in essence.

In fact, there are some similarities between the oracle problem and the consensus problem in essence. Of course there are many other challenges Such as how to ensure confidentiality How to connect with legacy systems Whether it can achieve higher performance My former PhD student Fan Zhang will implement DECO technology on Chainlink in the next year My former PhD student Fan Zhang will implement DECO technology on Chainlink in the next year My former PhD student Fan Zhang will be responsible for the implementation of DECO at Chainlink in the next year I would love to share with you He wrote a very good paper on this issue He wrote a very good paper on this issue About the significance of the oracle When I first contacted Ethereum a few years ago, I clearly realized that if you want to make a valuable application, you must connect off-chain data. When I first contacted Ethereum a few years ago, I clearly realized that if you want to make a valuable application, you must connect off-chain data.

When I first contacted Ethereum a few years ago, I clearly realized that if you want to make a valuable application, you must connect off-chain data. When I first contacted Ethereum a few years ago, I clearly realized that if you want to make a valuable application, you must connect off-chain data. DeFi has also seen explosive growth after adding off-chain price data So everyone can imagine what will happen once we have established a mature data ecosystem So everyone can imagine what will happen once we have established a mature data ecosystem Smart contracts can make full use of the power of the Internet Smart contracts can make full use of the power of the Internet It is precisely because you, me and Steve have a common vision in 2016/17 that we will walk together It is precisely because you, me and Steve have a common vision in 2016/17 that we will walk together I think you have the same view Our views have changed a bit since then But overall the direction has not changed Agree with me completely I think blockchain technology makes the proof mechanism more rigorous and higher standards I think blockchain technology makes the proof mechanism more rigorous and higher standards I think blockchain technology makes the proof mechanism more rigorous and higher standards I think blockchain technology makes the proof mechanism more rigorous and higher standards The initial Bitcoin and Ethereum are significant because they can store various values ​​and can initially try different application scenarios The initial Bitcoin and Ethereum are significant because they can store various values ​​and can initially try different application scenarios The initial Bitcoin and Ethereum are significant because they can store various values ​​and can initially try different application scenarios But the problem we discussed from the beginning has been how to connect these systems to various data sources and create smart contracts.

But the problem we discussed from the beginning has been how to connect these systems to various data sources and create smart contracts. But the problem we discussed from the beginning has been how to connect these systems to various data sources and create smart contracts. But the problem we discussed from the beginning has been how to connect these systems to various data sources and create smart contracts. But the problem we discussed from the beginning has been how to connect these systems to various data sources and create smart contracts. So in my impression, the two of us were very clearly aware of this from the beginning So in my impression, the two of us were very clearly aware of this from the beginning Of course, a large part of the value of these systems lies in the storage of contract state, transaction or private key signature records or global shared records Of course, a large part of the value of these systems lies in the storage of contract state, transaction or private key signature records or global shared records Of course, a large part of the value of these systems lies in the storage of contract state, transaction or private key signature records or global shared records Of course, a large part of the value of these systems lies in the storage of contract state, transaction or private key signature records or global shared records This is a very logical idea I also very much agree with this idea This is a good starting point These functions allow this technology to exist and realize the storage of data on the blockchain These functions allow this technology to exist and realize the storage of data on the blockchain These functions allow this technology to exist and realize the storage of data on the blockchain But then the question becomes how to expand on this basis But then the question becomes how to expand on this basis How to integrate blockchain into various realistic application scenarios such as financial systems, international trade and insurance How to integrate blockchain into various realistic application scenarios such as financial systems, international trade and insurance How to integrate blockchain into various realistic application scenarios such as financial systems, international trade and insurance How to integrate blockchain into various realistic application scenarios such as financial systems, international trade and insurance How to integrate blockchain into our daily lives How to integrate blockchain into our daily lives I think most people don’t realize how much they rely on these contract systems I think most people don’t realize how much they rely on these contract systems They will gradually realize this in the future, especially some traditional contract systems will gradually fail in the future They will gradually realize this in the future, especially some traditional contract systems will gradually fail in the future They will gradually realize this in the future, especially some traditional contract systems will gradually fail in the future But from this perspective, this is definitely a question worth studying But from this perspective, this is definitely a question worth studying I think the demand for "authoritative facts" will definitely increase in the future I think the demand for "authoritative facts" will definitely increase in the future This is what we are committed to achieving In addition, there will be an increasing demand for the security guarantee brought by the combination of the blockchain and the oracle.

In addition, there will be an increasing demand for the security guarantee brought by the combination of the blockchain and the oracle. In addition, there will be an increasing demand for the security guarantee brought by the combination of the blockchain and the oracle. This is an unprecedented security guarantee Cover the real world state Covers the relationship status between people and data, assets, and systems Covers the relationship status between people and data, assets, and systems These relationships have a huge impact on people’s lives I want to emphasize again I am very happy to work with you to solve this problem So thank you The second question I want to ask you is Why are you willing to join Chainlink as the chief scientist and be responsible for leading Chainlink's R&D work and future development direction? Why are you willing to join Chainlink as the chief scientist and be responsible for leading Chainlink's R&D work and future development direction? Why are you willing to join Chainlink as the chief scientist and be responsible for leading Chainlink's R&D plan and future development direction? Why are you willing to join Chainlink as the chief scientist and be responsible for leading Chainlink's R&D plan and future development direction? Why did you join us? I have been very happy with Chainlink in the past few years I have been very happy with Chainlink in the past few years I really appreciate Chainlink's rigorous attitude towards academic research I really appreciate Chainlink's rigorous attitude towards academic research And appreciate that Chainlink can achieve a good balance between short-term benefits and investment in innovation And appreciate that Chainlink can achieve a good balance between short-term benefits and investment in innovation And appreciate that Chainlink can achieve a good balance between short-term benefits and investment in innovation Although these innovations are vital, many people will continue to delay investment in innovation for immediate benefit.

Although these innovations are vital, many people will continue to delay investment in innovation for immediate benefit. But Chanlink is not like this For me, it is an unprecedented opportunity to be in charge of Chainlink R&D with Lorenz Breidenbach For me, it is an unprecedented opportunity to be in charge of Chainlink R&D with Lorenz Breidenbach Turn the ideas and principles that I have been exploring in the academic field into reality Turn the ideas and principles that I have been exploring in the academic field into reality So thank you very much for giving me this opportunity Sergey It's also our honor It's also our honor From our point of view I’ve said it twice before, but I want to say it again We are very honored to be able to work with top researchers like you We are very honored to be able to work with top researchers like you I think that few people in the world will really think and study these issues in detail like you or the researchers we cooperate with.

I think that few people in the world will really think and study these issues in detail like you or the researchers we cooperate with. I think that few people in the world will really think and study these issues in detail like you or the researchers we cooperate with. I think that few people in the world will really think and study these issues in detail like you or the researchers we cooperate with. I think that few people in the world will really think and study these issues in detail like you or the researchers we cooperate with. Another reason why this R&D project makes me happy is Another reason why this R&D project makes me happy is Chainlink has always been oriented by basic theoretical research in the field of computer science Chainlink has always been oriented by basic theoretical research in the field of computer science Chainlink has always been oriented by basic theoretical research in the field of computer science Many of them are based on your research Many of them are based on your research We are actually standing on the shoulders of giants, integrating and expanding on the basis of your research results We are actually standing on the shoulders of giants, integrating and expanding on the basis of your research results We are actually standing on the shoulders of giants, integrating and expanding on the basis of your research results I see a lot of people in the blockchain field developing infrastructure I see a lot of people in the blockchain field developing infrastructure I think this is the right direction I sometimes see people doing web services I sometimes see people doing web services Then I said: I only need to do a web service, and I use the underlying architecture developed by others is also very reliable Then I said: I only need to do a web service, and I use the underlying architecture developed by others is also very reliable Then I said: I only need to do a web service, and I use the underlying architecture developed by others is also very reliable Then I said: I only need to do a web service, and I use the underlying architecture developed by others is also very reliable These are all systems that have passed security encryption verification These are all systems that have passed security encryption verification I just need to build a web service on this architecture.

Or some people will copy and paste the code of the blockchain Then it changed a little and it became a new thing But I think that real technology companies should start with the infrastructure to solve this problem and carry out rigorous research. But I think that real technology companies should start with the infrastructure to solve this problem and carry out rigorous research. But I think that real technology companies should start with the infrastructure to solve this problem and carry out rigorous research. Standing on the shoulders of giants, collecting previous research results and innovating on this basis Standing on the shoulders of giants, collecting previous research results and innovating on this basis Standing on the shoulders of giants, collecting previous research results and innovating on this basis Standing on the shoulders of giants, collecting previous research results and innovating on this basis This is my personal opinion So Chainlink's research project will combine all the work we have done before So Chainlink's research project will combine all the work we have done before So Chainlink's research project will combine all the work we have done before And expand significantly on this basis, and implement the best solutions And expand significantly on this basis, and implement the best solutions Realize secure data transmission, data verification and various certification mechanisms Realize secure data transmission, data verification and various certification mechanisms And establish a very high standard of "authoritative facts" This is also a unified standard required to establish trusted data and trusted systems on a global scale This is also a unified standard required to establish trusted data and trusted systems on a global scale This is also a unified standard required to establish trusted data and trusted systems on a global scale Thanks to the joint efforts of you and your colleagues, this standard is now much higher than before Thanks to the joint efforts of you and your colleagues, this standard is now much higher than before Thanks to the joint efforts of you and other outstanding researchers, this standard is now much higher than before Thanks to the joint efforts of you and other outstanding researchers, this standard is now much higher than before And now, people are also in need of such reliability and guarantee And now, people are also in need of such reliability and guarantee Ensure that the system they use can provide them with the promised data Ensure that the system they use can provide them with the promised data So I think this is a very valuable research area So I think this is a very valuable research area So I think this is a very valuable research area I am also very happy to be able to explore this field with you Speaking of Chainlink's research plan This is an area of ​​our cooperation Can you talk about the key issues we are currently solving together? Can you talk about the key issues we are currently solving together? And what other problems will there be in the future? I know we can’t cover it all today Because we are working on many different issues But you can give a few examples Especially some of the issues that are currently being resolved related to the topic of our meeting today Especially some of the issues that are currently being resolved related to the topic of our meeting today Especially some of the issues that are currently being resolved related to the topic of our meeting today Ok We are indeed working together to solve a series of technical challenges But I can cite two or three examples here The first one is the expansion problem How can we improve the throughput of oracle requests and reports How can we improve the throughput of oracle requests and reports And how to reduce gas costs The community is developing a blockchain layer2 expansion plan A variety of different solutions have been launched A variety of different solutions have been launched One of our current challenges is how to use these new technologies and achieve interoperability One of our current challenges is how to use these new technologies and achieve interoperability One of our current challenges is how to use these new technologies and achieve interoperability The second big challenge is equity pledge Or some people call it cryptoeconomic security I personally prefer to use its academic name: "Mechanism Design" This is a parallel problem with the consensus problem and the oracle problem This is a parallel problem with the consensus problem and the oracle problem On the surface it seems to be easy to solve It seems that the node only needs to deposit a deposit first It seems that the node only needs to deposit a deposit first If there is a problem with the data they return, the deposit will be forfeited But actually the operation is much more complicated than this For example, the previous research on this issue did not consider the attacker's attack intensity For example, the previous research on this issue did not consider the attacker's attack intensity The study did not take into account the widest range of bribery attacks The study did not take into account the widest range of bribery attacks Therefore, we are currently working with experts to resolve mechanism design issues to ensure the robustness and comprehensiveness of our equity pledge plan Therefore, we are currently working with experts to resolve mechanism design issues to ensure the robustness and comprehensiveness of our equity pledge plan Therefore, we are currently working with experts to resolve mechanism design issues to ensure the robustness and comprehensiveness of our equity pledge plan Therefore, we are currently working with experts to resolve mechanism design issues to ensure the robustness and comprehensiveness of our equity pledge plan Another very important question I will elaborate on this issue later That's the issue of confidentiality Now everyone is enthusiastic about DeFi projects So that some people are even willing to ignore its lack of confidentiality in some important links So that some people are even willing to ignore its lack of confidentiality in some important links Various information such as addresses and transactions will be exposed on the blockchain I think users will have higher and higher requirements for confidentiality in the future I think users will have higher and higher requirements for confidentiality in the future For companies, confidentiality is a condition that must be met To solve this problem, we need to rely on the oracle system Because the oracle system will process a large amount of sensitive information, including data requests and return results Because the oracle system will process a large amount of sensitive information, including data requests and return results So I think the above are the three key research areas that we will focus on now and in the future So I think the above are the three key research areas that we will focus on now and in the future Yes i agree I think scalability will become more and more important, we must solve this problem I think scalability will become more and more important, we must solve this problem Because even if we solve the scalability problem of transferring data to the layer1 system Because even if we solve the scalability problem of transferring data to the layer1 system There will be many layer2s that need to access Chainlink data, because there will be applications migrated to it There will be many layer2s that need to access Chainlink data, because there will be applications migrated to it In addition, the web and enterprise infrastructure will also have many key systems In addition, the web and enterprise infrastructure will also have many key systems In addition, the web and enterprise infrastructure will also have many key systems And it's very fast Because the technology stack is very mature They have completely different standards for processing and response speed They have completely different standards for processing and response speed We have already seen that Chainlink verification data is used in many web system processes other than Layer 1 and Layer 2.

We have already seen that Chainlink verification data is used in many web system processes other than Layer 1 and Layer 2. We have already seen that Chainlink verification data is used in many web system processes other than Layer 1 and Layer 2. We have already seen that Chainlink verification data is used in many web system processes other than Layer 1 and Layer 2. Including technology companies and other businesses So I think Chainlink is currently expanding rapidly So I think Chainlink is currently expanding rapidly At present, Chainlink can already meet the needs of existing DeFi users on Layer 1. At present, Chainlink can already meet the needs of existing DeFi users on Layer 1. At present, Chainlink can already meet the needs of existing DeFi users on Layer 1. DeFi users of layer2 will be fully covered soon Later, it will cover some technology companies and web grid systems that need to verify data Later, it will cover some technology companies and web grid systems that need to verify data Scalability will be the subject of our continuous attention and improvement Scalability will be the subject of our continuous attention and improvement Because as the demand for verification data continues to increase, the amount of data we need to verify and establish "authoritative facts" will increase accordingly Because as the demand for verification data continues to increase, the amount of data we need to verify and establish "authoritative facts" will increase accordingly Because as the demand for verification data continues to increase, the amount of data we need to verify and establish "authoritative facts" will increase accordingly Because as the demand for verification data continues to increase, the amount of data we need to verify and establish "authoritative facts" will increase accordingly Because as the demand for verification data continues to increase, the amount of data we need to verify and establish "authoritative facts" will increase accordingly So I totally agree with you, we need to continue to pay attention to and improve scalability So I totally agree with you, we need to continue to pay attention to and improve scalability I am very happy to continue to make progress in this area to meet the needs of users I am very happy to continue to make progress in this area to meet the needs of users Encrypted economic security and equity pledge I agree with you, this is a very delicate question As the value of smart contract protection continues to increase, the equity pledge mechanism also needs to be continuously improved I think there should be different equity pledge mechanisms for values ​​of different scales I think there should be different equity pledge mechanisms for values ​​of different scales I think this is also the mechanism we need to establish We not only need to provide users with the underlying technology of pledge of rights and interests We already have a very clear understanding in this regard We already have a very clear understanding in this regard At the same time, we also need to provide some guidance for users to establish what staking mechanism under what circumstances, and constantly update the content according to market changes At the same time, we also need to provide some guidance for users to establish what staking mechanism under what circumstances, and constantly update the content according to market changes At the same time, we also need to provide some guidance for users to establish what staking mechanism under what circumstances, and constantly update the content according to market changes At the same time, we also need to provide some guidance for users to establish what staking mechanism under what circumstances, and constantly update the content according to market changes This is like different prediction opportunities outputting different types of data and accessing different types of contracts.

This is like different prediction opportunities outputting different types of data and accessing different types of contracts. This is like different prediction opportunities outputting different types of data and accessing different types of contracts. Different application scenarios should also adopt different equity pledge mechanisms Different application scenarios should also adopt different equity pledge mechanisms So we have to establish a framework to provide guidance for different application scenarios So we have to establish a framework to provide guidance for different application scenarios Can be flexibly expanded to meet the security requirements of different application scenarios Can be flexibly expanded to meet the security requirements of different application scenarios And effectively resist all kinds of malicious attacks And effectively resist all kinds of malicious attacks We will initially launch such a guidance framework We will initially launch such a guidance framework We will initially launch such a guidance framework And continue to improve and modify it with the community and users And continue to improve and modify it with the community and users And continue to improve and modify it with the community and users Help us clarify appropriate equity pledge standards and mechanisms Help us clarify appropriate equity pledge standards and mechanisms Help us clarify appropriate equity pledge standards and mechanisms Help us clarify appropriate equity pledge standards and mechanisms Because user experience and comfort are also very important considerations Because user experience and comfort are also very important considerations Data confidentiality and compatibility with existing systems Data confidentiality and compatibility with existing systems I totally agree with you I think our best match is that we have always believed that only a confidential system can be used to use all kinds of valuable data.

I think our best match is that we have always believed that only a confidential system can be used to use all kinds of valuable data. I think our best match is that we have always believed that only a confidential system can be used to use all kinds of valuable data. I think our best match is that we have always believed that only a confidential system can be used to use all kinds of valuable data. I think our best match is that we have always believed that only a confidential system can be used to use all kinds of valuable data. And realize the interaction between blockchain and enterprise system And realize the interaction between blockchain and enterprise system I think this contains two parts One is to develop confidential technology One is to develop confidential technology One is to develop confidential technology The other is to build a system like Chainlink Integrated into all enterprise systems and data sources Integrated into all enterprise systems and data sources And apply confidentiality technology I think this is a very high standard, which is difficult to achieve But it's worth our effort Because once the data privacy is successfully guaranteed A lot of new data and payment data can be created and transmitted to the DeFi contract A lot of new data and payment data can be created and transmitted to the DeFi contract Can access various user authentication data No need to disclose this data to the blockchain But it can still be used on the blockchain Businesses are usually very privacy-conscious Businesses are usually very privacy-conscious The first selling point of all solutions for enterprises is privacy protection The first selling point of all solutions for enterprises is privacy protection The selling point is: we can protect your privacy So if you can connect the enterprise system to the blockchain So if you can connect the enterprise system to the blockchain While protecting corporate data privacy, it can also prove that corporate data comes from a certain data source and the transmission process is safe and reliable While protecting corporate data privacy, it can also prove that corporate data comes from a certain data source and the transmission process is safe and reliable While protecting corporate data privacy, it can also prove that corporate data comes from a certain data source and the transmission process is safe and reliable While protecting corporate data privacy, it can also prove that corporate data comes from a certain data source and the transmission process is safe and reliable Then companies can enjoy the benefits of blockchain while retaining the existing system Then companies can enjoy the benefits of blockchain while retaining the existing system If the value of several trillion US dollars is involved in the enterprise system, then it must be both.

If the value of several trillion US dollars is involved in the enterprise system, then it must be both. If the value of several trillion US dollars is involved in the enterprise system, then it must be both. So at this point, I would like to ask what value do you think DECO will generate in it So at this point, I would like to ask what value do you think DECO will generate in it And can you tell us briefly about how DECO provides both confidentiality and compatibility for enterprise systems? And can you tell us briefly about how DECO provides both confidentiality and compatibility for enterprise systems? And can you tell us briefly about how DECO provides both confidentiality and compatibility for enterprise systems? And can you tell us briefly about how DECO provides both confidentiality and compatibility for enterprise systems? I think that in essence, DECO is to safely extend the oracle system to private web data I think that in essence, DECO is to safely extend the oracle system to private web data I think that in essence, DECO is to safely extend the oracle system to private web data This is essential for both the business and the user This is essential for both the business and the user I will give you a few examples in detail later But I can briefly talk about it here first One of them is decentralized identity authentication Is to allow users to create and manage their own identity authentication Is to allow users to create and manage their own identity authentication These authentications created by users all need to obtain sensitive private data The identity authentication information created by the user is sensitive and private data For example, if you sign a legal contract, you need to prove that you are over 18 years old.

For example, if you sign a legal contract, you need to prove that you are over 18 years old. For example, if you sign a legal contract, you need to prove that you are over 18 years old. You need to obtain an authoritative birth date certificate record You need to obtain an authoritative birth date certificate record You will definitely not want to disclose this kind of information on the blockchain You will definitely not want to disclose this kind of information on the blockchain If the oracle system can protect user privacy You can translate the privacy data such as the date of birth into a certificate, indicating that you have reached the legal age to sign a contract You can translate the privacy data such as the date of birth into a certificate, indicating that you have reached the legal age to sign a contract At the same time, there is no need to disclose your date of birth to the oracle node or the blockchain At the same time, there is no need to disclose your date of birth to the oracle node or the blockchain I think this will greatly promote the development of decentralized identity authentication I think this will greatly promote the development of the decentralized identity authentication ecosystem I think this will greatly promote the development of the decentralized identity authentication ecosystem I think this will greatly promote the development of the decentralized identity authentication ecosystem So this is a very important case In addition, there are a series of cases around the smart contract for enterprise privacy-sensitive data access In addition, there are a series of cases around the smart contract for enterprise privacy-sensitive data access In addition, there are a series of cases around the smart contract for enterprise privacy-sensitive data access For example, in finance and trade For example, in finance and trade I will share a supply chain case with you later The user connects to the payment data through the authorization control system, such as the API key The user connects to the payment data through the authorization control system, such as the API key The user connects to the payment data through the authorization control system, such as the API key Only if the confidentiality of API keys or even payment data is guaranteed, can these data be used safely in the oracle system Only if the confidentiality of API keys or even payment data is guaranteed, can these data be used safely in the oracle system Only if the confidentiality of API keys or even payment data is guaranteed, can these data be used safely in the oracle system Subject to the contract terms signed by the node operator and the data source, only the specially processed payment data can be published on the chain Subject to the contract terms signed by the node operator and the data source, only the specially processed payment data can be published on the chain Subject to the contract terms signed by the node operator and the data source, only the specially processed payment data can be published on the chain Subject to the contract terms signed by the node operator and the data source, only the specially processed payment data can be published on the chain Therefore, confidentiality is essential in some application scenarios Therefore, confidentiality is essential in some application scenarios Connect enterprise systems and users to the blockchain to meet current unmet needs Connect enterprise systems and users to the blockchain to meet current unmet needs Connect enterprise systems and users to the blockchain to meet current unmet needs Yes i totally agree Yes i totally agree It is very exciting to create new data types on the Internet or blockchain It is very exciting to create new data types on the Internet or blockchain It is very exciting to create new data types on the Internet or blockchain Looking back on history, it is not difficult to find that as long as a technology can guarantee the security and privacy of data, it means that it can be widely used.

Looking back on history, it is not difficult to find that as long as a technology can guarantee the security and privacy of data, it means that it can be widely used. Looking back on history, it is not difficult to find that as long as a technology can guarantee the security and privacy of data, it means that it can be widely used. Looking back on history, it is not difficult to find that as long as a technology can guarantee the security and privacy of data, it means that it can be widely used. It can be used in various scenarios A typical case that has always been in my mind is before the advent of HTTPS A typical case that has always been in my mind is before the advent of HTTPS E-commerce basically does not exist It is impossible for people to enter their credit card account numbers It is impossible for people to enter their credit card account numbers It is impossible for people to enter their credit card account numbers It is impossible for people to enter their credit card account numbers Because once these data are leaked, the money in their account will be stolen Because once these data are leaked, the money in their account will be stolen And if you can use encryption technology to connect data and protect data privacy to a certain extent And if you can use encryption technology to connect data and protect data privacy to a certain extent The amount of applications that access credit card data will skyrocket The amount of applications that access credit card data will skyrocket I'm not sure if anyone foresaw this at the time I don’t know if people thought of the application scenarios of credit cards and e-commerce when they saw the emergence of HTTPS technology.

I don’t know if people thought of the application scenarios of credit cards and e-commerce when they saw the emergence of HTTPS technology. I think this is also the case when the blockchain came out I think this is also the case when the blockchain came out Because many people don’t understand that blockchain is essentially to make a single data source open and transparent Because many people don’t understand that blockchain is essentially to make a single data source open and transparent Because many people don’t understand that the value of blockchain in data transmission is to make a single data source open and transparent.

Because many people don’t understand that the value of blockchain in data transmission is to make a single data source open and transparent. This kind of openness also makes the data impossible to hide This kind of openness also makes the data impossible to hide The purpose of the blockchain is to establish an open and transparent record that can be viewed by anyone Then the development of blockchain has surpassed the scope of public chain and developed a semi-private enterprise alliance chain Then the development of blockchain has surpassed the scope of public chain and developed a semi-private enterprise alliance chain Then the development of blockchain has surpassed the scope of public chain and developed a semi-private enterprise alliance chain But the problem still exists The company wants to create a record shared by all parties The company wants to create a record shared by all parties But this transparency has caused some of the members to worry about But this transparency has caused some of the members to worry about But they still have the data In other words, it still maintains an ideal relationship with the shared record In other words, it still maintains an ideal relationship with the shared record And DECO allows users to access data types that were completely inaccessible before And DECO allows users to access data types that were completely inaccessible before And DECO allows users to access data types that were completely inaccessible before And DECO allows users to access data types that were completely inaccessible before Including paid price data Enterprise system data Personal identification data, such as AML and KYC data used by DeFi or other institutions Personal identification data, such as AML and KYC data used by DeFi or other institutions Personal identification data, such as AML and KYC data used by DeFi or other institutions Now we can access this data, which will activate many new application scenarios Now we can access this data, which will activate many new application scenarios Many new application scenarios will appear on both the public chain and the semi-private consortium chain Many new application scenarios will appear on both the public chain and the semi-private consortium chain I think sometimes people don’t realize the value of data access system I think sometimes people don’t realize the value of data access system With data, you can achieve functions that were not possible before With data, you can achieve functions that were not possible before And the DeFi revolution perfectly verifies the importance of data And the DeFi revolution perfectly verifies the importance of data Send high-quality price data, corporate data and personal identity authentication data not to the chain, but to the off-chain system, and verify the authenticity of the data on the chain Send high-quality price data, corporate data and personal identity authentication data not to the chain, but to the off-chain system, and verify the authenticity of the data on the chain Send high-quality price data, corporate data and personal identity authentication data not to the chain, but to the off-chain system, and verify the authenticity of the data on the chain Send high-quality price data, corporate data and personal identity authentication data not to the chain, but to the off-chain system, and verify the authenticity of the data on the chain This not only guarantees data privacy, but also realizes the application on the blockchain This not only guarantees data privacy, but also realizes the application on the blockchain And it can greatly enrich the application scenarios And it can greatly enrich the application scenarios This is our vision This is our vision It is also the vision of Chainlink Labs The common goal of all of us is to combine this unique state, data or off-chain event determination method with the immutability of the blockchain The common goal of all of us is to combine this unique state, data or off-chain event determination method with the immutability of the blockchain The common goal of all of us is to combine this unique state, data or off-chain event determination method with the immutability of the blockchain The common goal of all of us is to combine this unique state, data or off-chain event determination method with the immutability of the blockchain The common goal of all of us is to combine this unique state, data or off-chain event determination method with the immutability of the blockchain Establish a global contract system Ari thank you again for working with us I think this is a cause worthy of our efforts I think this is a cause worthy of our efforts I am very happy to be able to do this with you and all the excellent colleagues in the R&D team I am very happy to be able to do this with you and all the excellent colleagues in the R&D team I am very happy to be able to do this with you and all the excellent colleagues in the R&D team Thank you very much Thank you Sergey I am very happy to be able to cooperate with Chainlink in the past few years I am very happy to be able to cooperate with Chainlink in the past few years Development of the first generation system I also look forward to having the opportunity to deepen cooperation with you and your team I also look forward to having the opportunity to deepen cooperation with you and your team Build the next generation system together

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