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Transparency: The ledger is available to be viewed by the public. The chain of transactions cannot be hidden on the blockchain. It is there for all eyes to see.
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Security: Nothing can be changed or altered on the blockchain. Once confirmed it is there, period. You cannot alter or change or manipulate what has already taken place you can only add to it. There is a network of “computers” validating transactions to verify that only what is “true” is added to the blockchain.
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Improved traceability: Because nothing is ever altered on blockchain and it happens in real time it makes traceability on blockchain unparalleled.
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Increased efficiency and speed: Blockchain only moves one direction… forward. There is no time spent in trying to undo things or make changes as it is a “final” system.
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Reduced cost: Blockchain removes the middle man in many cases which makes things faster and more affordable.
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Transparency - everybody shares the same documentation instead of everyone having there own copy. Nothing can be hidden,
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Security - for a transaction to be made it must be agreed upon by both parties, the transaction is encrypted and attached to any previous transactions… Hackers can’t change information because they would need approval from all parties
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Improved traceability - Due to transparency everything can be traced back to where it came from.
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Increased efficiency and speed - blockchain makes the process faster and more efficient by having record keeping performed using a digital ledger and removing human error.
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Reduced cost - block chain reduces cost by cutting out the middle men, you don’t need to trust your partners you just need to trust the data.
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Transparency:
All information and transactions put in the blockchain are available for everyone to see. No person or entity is trusted, but a network that verifies truth is used, therefore removing all trust and making everything transparent. -
Security:
The blockchain can’t be hacked, and no one person or entity is in control of it. All transactions also generate complex code which are almost impossible to crack. We trust the math and protocol of the blockchain, not an organization or person. Transactions are immutable and final.
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Improved traceability:
All transactions can be publicly seen via the ledger of each computer in the network. One can see a product or transaction from start to finish and do a full audit via the blockchain. This increases traceability on the blockchain as no one can lie about anything but instead all parties can verify the truth. -
Increased efficiency and speed:
The blockchain is available 24/7/235 and elimination of middlemen increases speed and efficiency. It is faster because you don’t have to wait for the opening hours of anywhere or an app not working to do what you want. Your transactions are quicker because there is someone in the world always wanting to earn some money, therefore there is a network always available to confirm your transactions. No need to call the bank to verify your transaction anymore. -
Reduced cost:
Transactions and processes now are carried out using middle men who always have fees because they are businesses. No more bank deposit fees, no more Western Union fees. Everything done can be peer to peer so that extra layer is eliminated. Fees for transactions are also very low or sometimes nonexistent.
Explain with your own words, why these are the benefits of using a blockchain.
Transparency: All transactions are on the blockchain forever and cannot be modified.
Security: Putting your trust into a network instead of an organization.
Improved traceability: you can track all transactions through the block chain.
Increased efficiency and speed: you don’t have to deal with a middle man any more so you’ll be able to cut cost and time.
Reduced cost: 
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Blockchain uses transparency for everyone by keeping the entire blockchain database open as a public ledger for anyone to see.
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Blockchain’s security involves encrypted mathematical equations chained together that cannot be altered once created into blocks. The fact that it’s decentralized and nothing can be altered, makes the blockchain safe from hacking or false information.
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Blockchain cannot be altered so anything added to its database is traceable within the decentralized network that can verify together and confirm all information. This could be information regarding supply chain of where things are coming and going, food ingredients and condition, taxes or any financial information, etc.
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Since everything is globally managed on the blockchain database, there is no middle man and transactions happen faster and with greater efficiency. Multiple computers can verify information almost instantly within it’s incorruptible decentralized database.
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Since there is no middle man in blockchain transactions, costs can be reduced in fees for customers and businesses.
- Transparency:
- All transactions occurred in the blockchain are available publicly for everyone to see
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Security:
-There are no intermediaries required in the blockchain. You are putting your trust on the math and the protocol instead of an organization. Data on the blockchain cannot be broken, modified or hacked. -
Improved traceability:
-Blockchain is like a digital stone. Data cannot be removed from it once added. It provides real time auditing. and can be tracked by anyone in real time. -
Increased efficiency and speed:
- The 24/7/365 infrastructure of the blockchain allows transactions to be made at any point of time as miners are incentivized to always keep the networking up and running.
- Reduced cost:
- By removing the need for a middleman to process every transaction, the cost is significantly reduced.
- The ledger is open to everyone so there is no way to hide funds, or to send them to somewhere else whilst telling the world you have done something righteous with them.
- The fact that the transactions are confirmed by an entire network that can never be edited means that it is incredibly secure.
- You can trace everything so you know where the money you have received has come from.
- It’s very fast and borderless without the need the middle men.
- As a result of this you can save a great deal of money of the fees that you usually need to pay middle men and companies who facilitate transactions.
Transparency:
Blockchain creates a transparent environment due to the blockchain ledger, held on multiple nodes/computers, being publicly viewable. This is especially useful for financial systems and business because each part of the business can be held accountable and need to be responsible in their actions as the truth can always be viewed.
Security:
Security is a benefit of the blockchain because each transaction is encrypted and linked to the next transaction. The blockchain formed by a complex string of numbers which is immutable and absolutely permanent. It cannot be hacked, altered or deleted. This, paired with being a decentralized network that has no central node/database makes the blockchain network a trust-less one. If this is applied to financial transactions, business processes, etc, this means that you do not need to trust any other party, simply verify it via the blockchain.
Improved traceability:
The blockchain network is completely traceable due to the transactions on the blockchain being permanent and immutable. This can be used to track the supply chain from a manufacturer to a distributer or provide evidence of ownership, no matter how old the transaction is.
Increased efficiency and speed:
Blockchain can increase efficiency and speed of systems due to the blockchain not needing any middlemen. Blockchain can facilitate a payment to the other side of the world in one digital currency via a peer to peer network. No banks or other intermediaries are needed to be involved. This also adds to the security because you are trusting in the network/protocols/math rather than a company.
Reduced cost:
Blockchain can greatly reduce cost because no middlemen are need to make transactions, transactions can be made quicker, with fewer mistakes and currency conversions (due to digital currencies). Also, because of transparency being much higher, this means that companies can see all of the information about a transaction and compare that to other, more cost effective options that offer the same service or product. No reconciliation is needed because the network ensures the transaction is correct before it is made.
- Because all transactions are avalaible in the public book, therefore everything is avalaible everyone to see.
- You don’t need trust. Everything is finalized when a transaction is completed and can´t be reversed by other parties that wants to alter the information.
- You can trace the goods that are being delivered, because it leaves a trail to follow.
For example if you wanted to secure where a tennisball came from and how it is made you could check it through the supply chain. - It gets rid of all the middlemen that wants to take a cut. Banks etc.
With the blockchain is easy to track everything that is uploaded because every block that been created had set a digital footprint in order to see all the data and the information that it includes. By that is more secure because is decentralized and connects different users geografically so that make it even more secure and almost impossible to threats as hacking etc. Also is cost efficience because there are no intermidiaries that collect fees in order to provide their services.
Transparency:
The ability for everyone to view the transactions through ledgers/block explorers increases the sense of security it entails. The finality/immutability, the ease of audits, the trustless methods and others are part of this amazing blockchain process via transparency!
Security:
Using SHA -2/3 Scrypt and other Cryptographic practices increases the security of the transaction but furthermore the security with blockchain goes farther than the cryptology, but everything positive about blockchains such as the autonomy, the trustless environment, the verification process, nodes, miners, stakers, everyone has a piece to the security puzzle and no-one wants to have their piece missing!
Improved traceability:
The Ledger/Bloick Explorers are great tools for tracing / audits. From Logistics to Finance, audits can be done, without the burden of traditional methods. Blockchain vastly improves on the check and balances of almost all industry traditional methods.
Increased efficiency and speed:
While not as fast as Visa, but faster than the human eye, or plain ole human, blockchain increases both efficiency and speed, by limiting manpower and human error, digital transaction take mere seconds and apposed to hours days etc. In business time is money so yeah = Blockchain!
Reduced cost:
In relation to other financial barriers or considerations for companies or even personally, blockchain, being code; being on a decentralized network, living and breathing with every transaction, reduces manpower and human error “huge overhead expenses” the fees associated are much smaller per tx. Being purely digital in the long run is a cost savings measure!
The benefits of Blockchain
- Transparency - Blockchain adds a layer of accountability among businesses. Everything in the blockchain is viewable and linked.
- Security - Blockchain is a global database, the information stored in this database is encrypted, each transaction is linked to the next and all information is accessibly removing the threat of fraud and removing ‘trust’.
- Improved Traceability - Each transaction is part of an audit trail, everything in the blockchain is linked and verified on a unified system.
- Increased efficiency and speed - Blockchain technology removes the ‘middle man’ required for other database technologies therefore decreasing the number of steps information has to go through and the number of interactions a transaction must make. Data is viewable on the public ledger which everyone has access to.
- Reduced Cost - Blockchain tech removes the need for the ‘middle man’ which will reduce costs for business, it also provides a unified solution across a global network which will also reduce costs for business.
"Explain with your own words, why these are the benefits of using a blockchain.
Transparency:
Security:
Improved traceability:
Increased efficiency and speed:
Reduced cost:"
Transparency within a network of businesses or supply chain is highly valuable and should be considered essential today. This is where Blockchain steps in. Blockchain technology enables ‘trustless’ transactions between individual parties through data that is exchanged and verified by a massive encrypted and decentralized network. That database operates as a public ledger. This eliminates the need for many 3rd parties involved in finance and the exchange of goods by providing real time auditing within a P2P infrastructure. This equates to improved traceability, reduced cost, as well as expedient transaction protocols. As its been said, time is money!
Blockchain is highly secure, since all transactions are encrypted that are stored upon the immutable network. Transactions, once verified and entered into the Blockchain, cannot be changed or removed.
Transparency: the transactions are clear, the database/ledger can be viewed by anyone with an internet connection
Security: the network is secured by many independent operators and not by a centralized party.
Improved traceability: transactions have a lot of data provided on them such that once verified, the transactions cannot be altered.
Increased efficiency and speed: no middlemen are required to verify transactions…middlemen included slow down the ability to verify.
Reduced cost: transactions are updated in real time so no middlemen are needed and therefore, the costs of these middlemen are saved.
Transparency: everything that makes up the blocks in the chain/Leger are visible and accessable by anyone at any time.
Security: all data entered into the blocks are encrypted and can not be changed once entered, so there can be no changing information. The blockchain is also decentralized and run off of numerous matching nodes in the network.
Improved traceability: all transactions and data logged are traceable going back to inception by anyone at any time.
Increased efficiency and speed: there is no downtime.blockchain runs 24/7/365. There are also no middlemen involved.
Reduced cost: without having to pay intermediaries, auditors and middlemen, costs will be lower. You will not have to pay others, and since there will be less people involved the cost at fixing errors (which will probably be lower as well) will be reduced as well.
Transparency. The public nature of the blockchain provides an unparalleled level of accountability, where all transactions are available for immediate review and audit. This in turn demands an exceptionally high level of integrity from the organization’s members/employees.
Security. The immutable nature of the blockchain, and the reliance on a mathematically verifiable and inalterable protocol, removes the potential of altering recorded transactions. Decentralization removes corruptible or vulnerable single points of failure.
Improved traceability. Each transaction is permanently recorded and inalterable, and can be audited immediately to verify the origin of materials/goods/etc.
Increased efficiency. The use of blockchain technology removes the necessity of third party providers, by allowing a trustless peer-to-peer transaction for such things as financial payments or property management.
Reduced cost. Blockchain technology reduces costs by eliminating the requirement for third party providers. By providing a trustless platform, transactions can be completed peer-to-peer without the need for any third party facilitation of validation.
Transparency: It’s open source and real-time transaction. Nothing is hidden.
Security: A streamline open source and immutable information discourage or elimination data manipulation. i.e. I know what you did.
Improved traceability: Audit trail is created once transaction from peer to peer creation. Trail is immutable and secured.
Increased efficiency and speed: Removal of middleman involvement. All verification can be pulled out from the blockchain with ease because all information are logged from IP address, timestamp to value of transaction.
Reduced cost: A global network utilizing a universal mathematical verification protocol creates a trustless ecosystem allowing a fair and honest trading.
Transparency: Blockchain encourages businesses to act with integrity to their board, staff or customers as all activities / transactions are recorded on the open ledger where anybody can look and verify.
Security: In blockchain we are trusting the network of computers to reach consensus via maths and protocols. Networks are incentivised/paid to tell the truth and be honest.
Improved traceability: as all transactions are recorded on the blockchain/open ledger you can trace to the absolute origin/beginning and verify the product / service transaction.
Increased efficiency and speed: As blockchain runs 24/7/365 all services can operate non stop to speed up processes. On the blockchain we can interact peer to peer so no need to wait for any intermediate company to help or verify anything we do.
Reduced cost: as per above, as blockchain runs on network of computers via maths and protocols and can be used peer to peer without a middle man, cost of transactions will be less, less people / organisations involved so no need to pay anybody to verify the agreement. It also costs less to transact with foreign countries etc
Blockchain benefits
Transparency, log/ledger is created that is 100% public accessible
Security, the blocks of information, verified by all nodes are not accessible to be rewritten and are visible to conduct an audit trail.
Improved Traceability, because the information in the Blockchain is permanent and not subject to change an audit trail is easily accessible to follow any transaction
Increased efficiency and speed, because there in no need for human interaction, via middleman, transactions are instantaneous.
Reduced cost, no cost of human labor involved. This Geary reduces cost.
I would appreciate it if anyone could see that I am not misunderstanding this article! I am new in the academy and English not my native language and I try to work hard to improve it as much as possible! Sorry if have some grammar mistakes 
In fact, the blockchain is immutabe ledger that confirm all the data and decide what True and what is not true about all data transaction in the network by reaching a consensus between all the nodes (users and miners).
We trust math and have a possibility to check all the data ledger whenever we want!
1.That ledger give to us all users around the globe a possibility to check if it true or not. It makes the process trustless. And forces all the companies and organizations to act in transparency to the world! they grow faster and increase their client database and of course the community!
- The blockchain is immutable in the moment we got the transaction and the miners reach a consensus between them nobody cannot remove or change the data transactions and they stay in the ledger block forever!
The new transactions linked to previous block and this block to the chain…a blockchain.
3.The traceability creates by audit trail that enables to track all the items and trace where they come from and where they went through. This allows businesses to control their entire distribution network and gives to the consumers the ability to know where the products come from and what happened to them along the way.
4.increased efficiency and speed manifested by system of ownership data records and remove the third party from the process by allowing peer to peer cross border transfer a data with a second and no one can disagree with that even the sender
5.The blockchain allowing reduce costs by removes the need for third party trust and allows to all use one data base ledger that can’t be modified