Question:- How is a blockchain ledger different from an ordinary ledger?
Answer:- The key distinction between blockchain ledger and ordinary ledger is that Blockchain is a distributed database that can be conveniently decentralized. This method has a much lower risk of error than a traditional ledger. An ordinary ledger is one that is created by hand or by human effort, while the Blockchain automates all of its processes. All you have to do now is set it up properly and according to the instructions.
Question:- What is Double Spending? Is it possible to double spend in a Blockchain system?
Answer:- It occurs when a single digital token is used several times since the token is typically made up of a digital file that can be easily cloned. It simply causes inflation, and businesses are forced to take a significant loss. One of the main goals of Blockchain technology is to eradicate this method as much as possible. Blockchain avoids double-spending by requiring several parties to validate a transaction before it is written to the ledger. It’s no exaggeration to claim that bitcoin’s entire structure of Blockchain, mining, proof of work, complexity, and so on exists to create this history of transactions that is computationally impractical to change.
Question:- What is Double Spending? Is it possible to double spend in a Blockchain system?
Answer:- It occurs when a single digital token is used several times since the token is typically made up of a digital file that can be easily cloned. It simply causes inflation, and businesses are forced to take a significant loss. One of the main goals of Blockchain technology is to eradicate this method as much as possible. Blockchain avoids double-spending by requiring several parties to validate a transaction before it is written to the ledger. It’s no exaggeration to claim that bitcoin’s entire structure of Blockchain, mining, proof of work, complexity, and so on exists to create this history of transactions that is computationally impractical to change.
Question:- Explain the significance of blind signature and how it is useful?
Answer:- A blind signature is a form of digital signature in which the contents of a message are hidden (blinded) before they’re signed. As with a standard digital signature, the resulting blind signature can be publicly validated against the original, unblinded message. Blind signatures are often used in privacy-related protocols where the signer and message author are not the same individual. Cryptographic voting systems and digital cash schemes are two examples.
Question:- Can you define what is an off-chain transaction?
Answer:- A transaction that takes place outside of the blockchain is known as an off-chain transaction. An on-chain transaction – often referred to as simply “a transaction” – modifies the blockchain and relies on the blockchain to establish its legitimacy, while off-chain transaction records and validates the transaction using other methods.
Question:- Can you define what is an off-chain transaction?
Answer:- A transaction that takes place outside of the blockchain is known as an off-chain transaction. An on-chain transaction – often referred to as simply “a transaction” – modifies the blockchain and relies on the blockchain to establish its legitimacy, while off-chain transaction records and validates the transaction using other methods.
Question:- when it comes to securing the transactions records, How will you handle risk management when it comes to securing the transactions records?
Answer:- Risk management is essentially a method of identifying all risks and vulnerabilities to an organization’s financial records. The best thing to do with this strategy is to take the appropriate countermeasures as soon as possible. Another option is to keep a contingency plan in mind. More methods, such as purchasing new risk management tools, may simply be considered based on the importance of knowledge. Data is most at risk from black-hat hackers.
Question:- What are the threats to the information you are familiar with?
Answer:- In the current situation, there are numerous risks to knowledge. Many hackers have become involved and are introducing new techniques to hack information and servers that hold financial information as a result of the rise in online transactions. Software attacks, identity theft, data extortion, and sabotage are all major threats. Trojan horses, worms, and other malicious software are also present.
Question:- What are the key principles in Blockchain that are helpful in eliminating the security threats that need to be followed?
Answer:- To eliminate the security threats, The key Principles that are needed to follow are as follows. All these principles are fundamental and simple to apply. They are helpful in making transaction documents more valuable. 1. Auditing 2. Securing applications 3. Securing testing and similar approaches 4. Database security 5. Continuity planning 6. Digital workforce training
Question:- Can you name some of the popular consensus algorithms?
Answer:- The most popular consensus algorithms are: • PBFT (Practical Byzantine Fault Tolerance) • Proof-of-work • Proof-of-stake • Delegated proof-of-stake • Proof-of-elapsed time
Question:- What Is the Difference Between Proof-Of-Stake (Pos) And Proof-Of-Work (Pow)?
Answer:- The two most popular consensus algorithms, PoW, and PoS can be differed by their operation. PoW consumes a lot of resources, while PoS does not. Other significant differences include the need for a lot of computation power in PoW versus none or very little computation power in PoS. When compared to PoW, PoS is both more cost-effective and has a quicker completion time.
Question:- Name the steps that are involved in the Blockchain project implementation?
Answer:- There is a total of six steps involved in the blockchain project implementation process and they are: 1. Identifying the requirements 2. Consideration of screen ideas 3. Blockchain project production 4. Analysis of the Security Implementation’s Feasibility 5. Managing and overseeing the project
Question:- What is a Public Key?
Answer:- The cryptographic algorithm that enables peers in a blockchain to obtain funds in their wallet uses a public key. A pair of keys is created when a public key is connected to a private key. The private-public key pair is used to ensure that the blockchain’s security is maintained. A public key is a string of alphanumeric characters that is unique to a specific node or address.
Question:- What is a Private Key?
Answer:- A private key is an alphanumeric term that is used to encrypt and decrypt data associated with a public key. In blockchain security, It is also a component of the cryptographic algorithms. The key has been allocated to the key generator and can only be used by him. If he fails to do so, someone can gain access to the wallet’s information or data, as well as the address for which the private key is stored.