Homework on Provenance - Questions

Blockchain and Bitcoin 101
#628
  1. A product can be added to the blockchain to track the origin batch of that product creating a transparent ,traceable and authentic source.

2 A normal database can provide an historical record of data and its origins but can be centrally controlled, added to and removed ,and manipulated.

3 Many businesses can benefit with digital provenance.In supply chains it can monitor the entire process of production,logistics,warehousing and retail circulation enabling a transparent traceable peer to peer system.

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#629

  1. Blockchain enables digital provenance through trustlesness and openness to the public. It is impartial and cannot be changed, only added to.

  2. A normal database does not bring the same provenance because they may not be impartial, they may be changeable and not open to the public, and aren’t therefore trustworthy.

  3. Digital provenance is great for many businesses because the customer gets back the power of makeing an informed decision.

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#630

Q1. How does blockchain enable digital provenance?
A. By it’s predefined structure/model of how each machine keeps a Ledger of all transactions and nearby machines verify or reject transactions by checking the existing ledger.

Q2. Why doesn’t a normal database bring the same provenance?
A. A normal database is based on a ‘trust’ system of the person who created the database and entries, in contrast to the public ledger system that Blockchain provides. Thus, it can audit the data in real time, without the need of a further third party.

Q3. Why is digital provenance such a great benefit to many businesses?
A. It can be used as a ‘transparency’ towards their end consumers by being able to track supply chains. It can also be more cost effective & more accurate by it’s real time auditing structure.

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#631

  1. How does blockchain enable digital provenance?
    -You can not only verify the previous step in the blockchain but you can track ALL the previous steps that have been completed in the blockchain.

  2. Why doesn’t a normal database bring the same provenance?
    -In a normal database you have to trust the person or organisation that provided the data to you and you can not be 100% certain that this data was correct. In blockchain you don’t have to trust the person but you can trust the system instead.

  3. Why is digital provenance such a great benefit to many businesses?
    -It takes the need to trust a data provider away. A business can rely on the blockchain to provide secure data.

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#632
  1. Blockchain enables digital provenance by storing all relevant data on a ledger. The authenticity of the data is authenticated by a vast amount of nodes. Once the nodes are in agreement (consensus) that the data is accurate/true the data is authenticated. Once the nodes authenticate the data it is forever stored,unchanged on the blockchain. Once stored the data may be accessed indefinitely by anybody with an internet connection. This makes the provenance trustless.
  2. A normal data base doesn’t bring the same provenance because a “normal” ledger is typically centralized. not authenticated/verified by a massive amounst of 3rd unbiased parties. They can be tampered with by bad actors with self serving agendas. Thus a “normal” database rely s on trust.
  3. Digital provenance is a great benefit to many businesses because it allows for truthful accounting of the data stored. It is easily accessible. Therefore it can verify all claims of goods, services, transactions, promises etc. It allows anybody to do their own due diligence with 100% accuracy.
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#635
  1. Blockchain tracking the provenance of all transaction. Every transaction is written on the blockchain as on a stone. It cannot be removed . Blockchain is an open ledger where every transaction can be traced to his provenance.

2 .Normal databases are on a central server and can remove transactions.

  1. All transactions are ontime verfied.
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#636

  1. Blockchain enables digital provenance because public ledgers can allow anyone to track transactions.

  2. A normal database does not bring the same provenance because they are maintained by a central authority.

  3. Digital provenance is a great benefit to many businesses because it does away with the necessity of trust. Supply chains can become more open and transparent.

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#637

  1. How does blockchain enable digital provenance?
    Blockchain is a public data structure (Public Ledger) where you put data and no one change or remove which also enable provenance where any one can track and trace this public data.

  2. Why doesn’t a normal database bring the same provenance?
    Because normal database is centralized private data structure where only who have permission can access to check it

  3. Why is digital provenance such a great benefit to many businesses?
    Because it gives them transparent way of sharing information

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#638

1, Blockchain digital provenance allows you to have a trustless, database to have checks and balances. To keep it open and honest to be able to audit things at any time.

2, because you need a 3rd party. To make it trusted, you need trust that has provenance.
An that is a security risk

3, Because there is no middle man for the business to the consumer which creates more trust and security for businesses and consumers. the list of benefits goes on for business, transparency, audits and tracking on the blockchain just to name a few more.

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#639

  1. It can track and audit each transaction in real time, on a public ledger.

  2. Blockchain combines the account layer with the transaction layer. A normal database does not do that.

  3. It makes it all trustless. Don’t trust verify.

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#640

  1. By adding data to the blockchain they can not be removed or changed.

  2. Normal databases can be changed. They are under control by a company.

  3. You can tracking thinks and removing trust.

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#642

1 - Blockchain is a public ledger, which means that everybody can verify it’s entries. The data is controlled by any organization that could push for their interests. Data can not be removed, only added.
2 - A normal database is operated in a centralized way and can usually not be accessed by outsiders. It could also be easily manipulated or destroyed.
3 - Digital provenance will remove the need for trust in third parties that make a lot of money by offering banking, legal, registry, auditing, and other services. This will safe a lot of cost and improve the quality and reliability of supply chains, audits, balance sheets, health statements and reduce illigal practices such as child labor.

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#643

  1. With blockchain you can track and audit transactions digitally in real-time.

  2. Normal databases are controlled by some instance that possibly has the power to change or tamper with the data.

  3. Digital provenance is of benefit to businesses because it will increase transparency, effectiveness, and security. It’s not necessary to trust individual instances to fulfil their role in the supply-chain, since the information is stored in the ledger real-time.

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#644

  1. Blockchain enables providence by using mathematical equations for verification. Once an equation has ben verified it is permanently etched into the blockchain and can be verified by anyone

  2. A normal database can crash anytime and once crashed all historical data is lost. This doesn’t happen with blockchain technology. It is an ongoing sum of numbers that can only move forward in the equation once the previous sum has been completed and verified to be correct and that remains on the blockchain indefinitely and because it’s open source anyone can always go back in history to confirm a transaction

  3. Provenance eradicates the need for auditing because the blockchain is open source therefore allowing anyone access to see the confirmed information. All data is guaranteed to be correct because the blockchain wouldn’t work otherwise because the math would be broken down therefore removing the need for trust.

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#645

1- By the existence of a public ledger that is updated with each transaction or event and allows detail audits way back to the genesis block.

2- Because in a normal database the information could be incomplete, inaccurate and usually with missing links, making it hard to audit.

3-Because it brings the possibility of a shift from trust in quality of processes to científic verification of processes as well as real time auditing of cross referenced data.

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#646

Homework on Provenance - Questions

  1. How does blockchain enable digital provenance?
    A) Blockchain enables trust less and honest real time supply chain auditing. It’s a public ledger viewable by all.

  2. Why doesn’t a normal database bring the same provenance?
    A) A normal database allows the removal and editing of its data. Not always real time.

  3. Why is digital provenance such a great benefit to many businesses?
    A) Digital provenance allows real time auditing, accounting and financial transactions in one place, and provides a trust less and more honest supply chain.

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#647

  1. How does blockchain enable digital provenance?
    Due to the fact that information (transactions) can be added to the blockchain, but not be removed. Since the information is openly available, anyone can see and check (verify) it

  2. Why doesn’t a normal database bring the same provenance?
    data on a normal database can be altered. Also it is centralized, and therefore more vulnerable to attacks. Additionally a regular database normally is centrally being owned / controlled.

  3. Why is digital provenance such a great benefit to many businesses?
    Trust is being removed between the different entities => Don’t trust, but verify

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#648

How does blockchain enable digital provenance?

Blockchain is a public ledger where you can only add transactions. That said, with a public ledger your transactions can be traced and tracked allowing for digital provenance.

Why doesn’t a normal database bring the same provenance?

A normal database relies on the “trust” factor of having to bring in a Auditor to inspect your transactions. With blockchain technology the “trust” factor is eliminated since you can track an audit in each transaction real-time.

Why is digital provenance such a great benefit to many businesses?

Because of real-time auditing. If you want to have an audit done every second, minute, hour, day or week you can do so with out the hassle of bringing someone in to go through your receipts, invoices, etc!

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#649
  1. How does blockchain enable digital provenance?
    By keeping a visible ledger of every transaction that can only be added to and cannot be taken away from one can see all origins of every transaction in the blockchain. All transaction in the ledger are verified by the network ensuring that the source an data is true.
  2. Why doesn’t a normal database bring the same provenance?Because One must trust the source of the data and those who keep the data. A regular database is not trustless because you have to rely on the central source and those who maintain it. In a regular database the data can become corrupted or can be tampered with by individuals making a regular database unreliable in comparison to the blockchain.
  3. Why is digital provenance such a great benefit to many businesses? Because it eliminates the old paradigm of having to trust and verify transactions which creates a trustless environment in which you can rely on the data and eliminate the frictions caused by having to trust and verify what others say is true.
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#650

  1. All transactions are stored on the blockchain and can be tracked and accessed from anyware

  2. Local database can be changed/modified while you can not do this on blockchain

  3. Remove the depending on the trust of your supplier and let you have a trustless and vitrified relation

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