Transparency:
Transparent to everyone, can’t “hide” transactions
Security:
Can’t hack all the nodes as it’s decentralised. Can’t copy-paste either
Improved traceability:
Every transaction is traceable.
Increased efficiency and speed:
24/7/365 HA, could argue on the fastness of Bitcoin though 
Reduced cost:
No middle man
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That is true, but just because it is slow now, it does not mean it will always be. Bitcoin is a “dumb” network.
I suggest you listen to this talk by Andrea Antonopoulos.
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It was my pleasure to help you. Please let me know what you think. 
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Thanks for sharing this @Mauro
My learning:
Dumb network support smart devices (e.g. bitcoin) and smart network supports smart devices (e.g. telephone network). Bitcoin as a dumb network is great for innovation as it doesn’t come from the centre (e.g. a central bank), but from anyone and everyone else benefits.
Savage comments regarding regulators (loved it 
)
TRANSPARENCY
The consensus mechanism guarantees that all are agreed on the content of the complete ledger. Going forward, all participants have access to the same documentation and information in the network - the agreed-upon / shared ledger of all transactions (rather than individually-created copies).
SECURITY
The decentralised nature of the network makes it difficult to compromise the blockchain’s content and even if a 51% attack was “successfully” carried out, all subsequent copies of the ledger from that time onwards would also have to continuing to agree on the changes made during the attack for the network to not identify it.
IMPROVED TRACEABILITY
Everything can be included in the blockchain including e.g. the provenance of individual ingredients used to make products or the temperatures of storage during long journeys of products to market etc.
INCREASED EFFICIENCY & SPEED
Blockchain allows for this by eliminating e.g. paper-based processes or the need for auditing / checking of paper-based records. In addition, as everything is, by default, recorded in one ledger on the blockchain, there is never any need for entries on multiple ledgers to be compared etc etc.
REDUCED COSTS
This links to the previous answer: all of those things reduce costs - as does the trustless reality of blockchain i.e. not needing middlemen or other external sources of verification.
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- Transparency:
All transactions a publicly viewable on the blockchain - Security:
Consensus is reached before the transaction is recorded and when a transaction is recorded it is permanent. - Improved traceability:
In a process involving multiple suppliers on the supply chain, each participant to clearly see the details of transactions that took place earlier on in the supply chain, etc. - Increased efficiency and speed:
There is no need to waste time and energy reconciling multiple ledgers since transacting and accounting are all done on the blockchain which is effectively a public ledger. - Reduced cost:
Fewer third parties/middlemen are needed (since these middlemen would only be needed to make guarantees for information that can otherwise be verified on the block chain).
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Transparency: everyone or every permitted person(in specific networks) are able to check the ledger at any time, it eliminates the risk for fraudulent or dodgy activities to happen within the network.
Security: every transaction needs to be approved by all the participants by means of a consensus and once approved, it is encrypted & attached to the previous block inside the decentralised ledger which is on all the participants computers simultaneously, and this goes on and on, this eliminates the possibility for someone, a hacker for example to hack the system and modify data.
Improved traceability: since all the newly added blocks are attached to the previous one, the traceability is failproof, because all information added to the blockchain has being verified and approved and only then it is linked to the blockchain, making the blockchain a reliable list for source data since its first block.
Increased efficiency and speed: because the blockchain is 24/7 & 365 days available. The validation of data process is performed by the computing power of all the participants.
Reduced cost: eliminates the need to hire thirdparty guarantors or supervisors to deal with trust issues
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Transparency: transaction details can be stored in the shared ledger. Anyone with permissioned access can see the transaction details and all participants are working from the same record, as opposed to each party trying to replicate their own copy. It would take a vote from the entire network to change a record so the transaction details stored in the shared ledger will tend toward greater accuracy and cannot be tampered with to fool auditors.
Security: only finalized transactions are recorded in the shared ledger. Once recorded, a transaction is encrypted and linked to the previous transaction to prevent after-the-fact tampering. The shared ledger is stored cross the network on many computers, to further frustrate attempts at altering the record. This can help protect sensitive information stored on the blockchain such as transactions, health records, identification, etc.
Improved Traceability: because each transaction is linked to the previous transaction and because transaction details can be stored on the blockchain, a digital “paper” trail is created for each transaction. This makes it easier to trace a product back to it’s origin and also the inputs that went into that product, thus facilitating audit.
Increased efficiency and speed: trade is an inherently complicated and process heavy activity, prone to human error. These errors can require third party remediation to resolve, such as by going to court. Because all participants are working from the same ledger, mistakes or disagreements are less likely and clearing and settlement can occur more quickly and efficiently.
Reduced cost: guarantees are unneeded as there is less need to trust your trading partners, because you can trust the data on the blockchain. There is also less documentation to process as all parties are working from the same immutable set of documents.
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Explain with your own words, why these are the benefits of using a blockchain.
Transparency: All participants have a copy of the distributed ledger which can only be updated through consensus. In order to change a transaction, all subsequent records would need to be altered through the collusion of the entire network. Because of this consensus integrated by the blockchain, any user has access to all the transactional history making all data transparent to the users.
Security: Before a transaction can be established, it needs to be agreed upon by the network. After approval, it is encrypted and linked to the prior transaction. This transactional permanence and the distributed ledger together makes it extremely difficult to be hacked and prevents fraudulent activity.
Improved traceability: Because every transaction is recorded, an audit trail can be easily performed. Every action is displayed along the way creating a true history of transactional data.
Increased efficiency and speed: The use of a single ledger streamlines the information to every participant. This automation makes completing a transaction much faster. This also eliminates the need for intermediaries.
Reduced cost: Blockchain prevents the need for third parties because every transaction can be performed peer to peer because of the trust of the network. Therefore, this reduces business costs allowing users to only have to pay small transactional fees.
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Transparency:
Meaning all transactions are visible.
Security:
All transactions are recorded in blocks which are cryptographically related to each other. This makes it more secure because it’s linked to the previous data inputted and subsequent data afterward.
Improved traceability:
All transactions are pseudonymously recorded on a blockchain, and everything in the supply chain can be accurately tracked.
Increased efficiency and speed:
Once a transaction is sent to a blockchain, everyone can see or receive this directly.
Reduced cost:
Having a single digital ledger that everyone has access to increases time and efficiency without the need for any additional equipment.
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Transparency: Blockchain has greater transparency because everyone on the network shares the same information and the data can only be updated when all parties concur on the update.
Security: Blockchain is more secure than other record-keeping methods because the data is stored across a network of computers instead of a single server mitigating the risk of compromised data.
Improved traceability: Blockchain improves traceability when it is used to record the movement of goods through a supply chain. The blockchain transactions for each movement create an audit trail that verifies the movement of the goods from orgin to destination.
Increased efficiency and speed: Blockchain utilizes a single digital ledger for all transactions that is shared by everyone eliminating redundancy and minimizing errors.
Reduced cost: Blockchain reduces the need for additional resources between parties to a transaction.
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Transparency: everyone has the same data and same information. So there is no hiding anything. This allows for trustlessness
Security: Because the ledger is distributed, no one can hack one computer and compromise the system. This is because all the computers have the same info, so if one computer starts posting erroneous data or transactions, it’s transactions will be rejected.
Improved Traceability: It is very hard to find out where everything came from in the supply chain. With block chain, you can make sure every item is actually what you think you are buying.
Increased efficiency and speed and reduced cost: You cut out paper, you cut out audits, you cut out intermediaries. All these things increase speed and reduce costs.
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Transparency:
Blockchain is a type of distributed ledger where network participants share the same documentation. It can only be updated through consensus, which means everyone must agree to it. Data on a blockchain is more accurate, consistent and transparent as It is available to all anyone who have permissioned access. To change a single transaction record would require the alteration of all records and the agreement of the entire network.
Security:
Transactions are agreed upon before they are recorded. After the transaction is approved, it is encrypted and linked to the previous transaction. The information is stored across a network of computers making it very difficult for hackers to compromise the transaction data. In industries such as, financial services, government, healthcare where protecting sensitive data is crucial, blockchain has an opportunity to change how critical information is held and shared. Preventing fraud and unauthorized activity.
Improved traceability:
If a company deals with products that are traded through a complex supply chain, it can be hard to trace an item back to its origin. When exchanges of goods are held on a blockchain, you get an audit trail that shows where an asset came from and all the stops it made on its journey. This transaction data stream can help prevent fraud and show authenticity of an item.
Increased efficiency and speed:
Traditional trading of any item anything is a time-consuming process that can produce errors and can require interaction from a third party. By using blockchain transactions can be completed faster and more efficiently. There is only one single digital ledger shared amongst the participants of the item. When everyone has access to the same information, it is easier to trust other parties. Meaning clearing and settlement can occur quickly.
Reduced cost:
Reduced costs is a priority for most businesses. With blockchain, you don’t need to be able to trust your trading partners. Instead you trust the data on the blockchain. You also won’t have so much documentation to complete a trade as everyone will have access to a single immutable version.
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Explain with your own words, why these are the benefits of using a blockchain.
- Transparency: Creates an environment you can trust because everyone can be seen on the public ledger
- Security: Has better security due to the fact that you only have to believe in math. You also do not rely on one central authority, which is dangerous has they can get wrecked.
- Improved traceability: There’s no way companies can lie to me with blockchain. All I have to do is go back and verify their supply chain to make sure everything makes sense
- Increased efficiency and speed: I don’t need some third party like a bank to get in my way if I want to send money across the world. I don’t need any company to even be open. I can interact with others in the world immediately
- Reduced cost: Like I said I don’t have to deal with third parties so they don’t get a chance to hit me with their crazy high fees for their services
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Blockchain Transparency: Open source information, nothing opaque or hidden. Publicly available. Required for consensus. Improved public opinion. Decentralized instant auditing. Time-saving, cost-saving.
Blockchain Security: resistant to manipulation of data and hard to take offline. Being secure means to be available to use 24/7, 365. The finality of data inputs. unable to deduct information from the chain.
Blockchain traceability: The permanent ledger can be used to confirm exactly who did what and when. No disputes on over paid or unpaid items. Transactions cannot be altered or undone on the ledger. The information is held on there without dispute. Addresses are public and all transactions recorded and other transactions can be investigated to confirm a person’s identity in order to prove it belongs to them.
blockchain efficiency and speed: Due to the consensus decentralized network effect all information is simply and effectively given as the absolute truth without a need for investigative measures.
Opposed to centralization where information is given may need external time taking audits to confirm if accurate or not. This may not just prove cost-effective but also in the best interests of people’s health and environmental health.
Reduced cost: As touched on above the removal of the need for external audits of centralized networks can be removed by decentralized blockchain networks. Perhaps in some cases, cost savings could be realized by switching to a blockchain as opposed to going to court over missing payments for goods or services when such payments would not go missing or at least the false allegations would be quickly be proven to be untrue.
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Explain with your own words, why these are the benefits of using a blockchain.
Transparency: With the ability to not have to rely on trusting strangers, more citizens are able to transact.
Security: Confidence in use as the system cannot be kidnapped by malicious players.
Improved traceability: In terms of supply chain, All components, processes, and movements can be verified.
Increased efficiency and speed: With efficiency and speed comes more innovation and the ability of a level playing field for ALL to transact.
Reduced cost: Reduced costs lead to reduced pricing which increases spending to help make economies more robust.
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Transparency. Blockchain is the perfect ledger. Only through consensus can anything be added to the blockchain and everyone has the same information, rather than each having their own copy.
Security. Blockchain is more secure than other databases because everyone must agree before anything can be added. When everyone does agree, the information is encrypted then stored on a network of computers rather than just a single server.
Improved Traceability. Blockchain is keeps a record of every transaction. This makes it easy to see every stop that any item recorded on the blockchain made.
Increased efficiency and speed. Using blockchain removes the need to involve third parties and multiple ledgers for records and book keeping.
Reduced cost. Again, with blockchain theres no need for third parties to keep records and make guarantees. You also don’t need to trust the people you do business with, you can always trust the blockchain.
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1.Transperancy is a benefit because it keeps everything honest. Transactions are visible to everyone.
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All the transactuions have to be aproved by everyone before they are recodred on the ledger each transaction is linked to the transaction before it.
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Traceability is being able to trace a product to its origin. You can see where the product came from and how it was made , and every other step along the way before it became a final product and got to you the consumer.
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Incereased efficiency is achieved because everyhing is recodred on a single ledger which is then destributed among all the nodes. You don’t have to reconcile all the ledgers and eliminate the need for a third party and save time.
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Reduced cost is achieved due to the fact that a person doesn’t need to trust their trading partner and eliminate the need for a middleman to keep both parties honest.
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Transparency: Every transaction is made public and can not be changed. This takes the trust factor to a whole other dimension. Nothing can be hidden and everything is made public which severely diminishes fraud.
Security: Since transactions are all made public and nothing can be change once a transaction takes place, this takes away the trust factor from a third party verifier and puts it on the impartial mathematical system.
Improved traceability: With the element of nothing can be altered or removed and the entire transaction history is made known, this technology
Increased efficiency and speed: Eliminating the third party or decentralized component of traditional transactions and relying on a impartial mathematical system is a game changer.
Reduced cost: The cost of operation from a third party and the auditing process is eliminated with this technology. The efficiency and speed make this the ideal way to run certain business. Compared to the older ways, this technology is like comparing a 90’s SUV vs the 2020 versions in terms of fuel economy.
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