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What you need to know about Blockchain Technology

In a business network, a blockchain facilitates recording transactions and tracing assets by serving as an immutable ledger. It is possible to have tangible assets (house, car, cash, land) as well as intangible assets (IP, copyrights, branding, etc.). Blockchain technology can track and trade almost anything, reducing risk and cutting costs. To get ahead of others in your blockchain business, Accfarm offers a wide range of blockchain services you can use.


Blockchain services for you


Business runs on information, which is why blockchain is important. It's better to receive it as soon as possible and to have it be as accurate as possible. Blockchain is ideal for delivering information because it offers immediate, shared information that can be accessed by only authorized network members, and because it provides immutable records that are available to all. Blockchain networks are capable of tracking orders, payments, accounts, production, and many other aspects of the business. The ability to see end-to-end details of a transaction is made possible due to a single view of the truth shared by all members. You will gain greater confidence, as well as gain new efficiencies and opportunities.

 Key elements of a blockchain

The distributed ledger technology

Participants in the distributed ledger have unchangeable access to the ledger. The shared ledger ensures that transactions information is entered only once, reducing the amount of work that is required in traditional business networks.

Immutable records

Transactions cannot be changed or tampered with after they are recorded to the shared ledger. Whenever an error occurs in a transaction record, a new transaction must be added to reverse the error, and then both transactions can be seen.

Smart contracts

The blockchain stores and executes a set of rules called a smart contract to speed up transactions. In addition to defining conditions for corporate bond transfers, smart contracts can also specify terms for payment of travel insurance, and so forth.

How blockchain works?

Every transaction is recorded in a "block" of data. Transactions refer to the movement of assets that can be intangible (intellectual) or tangible (a product). Every block is related to its predecessors and successors. When an asset changes hands or moves from one place to another, these blocks form a chain of data. They also link securely together, preventing changes to any block or insertion between any two existing blocks from occurring. The blocks confirm the exact time and sequence of transactions, and they link securely together to prevent any block from being altered.

Using a blockchain, transactions can be blocked together in an irreversible fashion

With each new block, the previous block is verified more thoroughly, thereby strengthening the entire blockchain. Immutability is achieved by making the blockchain tamper-evident. Using this method, a tamper-proof ledger of transactions is created that you and other network members can trust.

 Greater trust

As a member of a members-only network, you can be confident you are receiving timely and accurate information, and your blockchain records are only accessible to network members to whom you have specifically permitted access.

 Greater security

All network members must agree on the accuracy of data, and reports generated by the network are immutable since they are recorded forever. There is no way to delete a transaction, not even by the system administrator.

 More efficiencies

By utilizing a distributed ledger, members of a network can eliminate time-wasting record reconciliation procedures. Moreover, smart contracts can be stored on the blockchain and executed automatically in order to speed up transactions.

 Types of blockchain networks

It is possible to build a blockchain network in several ways. It is possible to build public, private, allowed, or consortium sites.

Public blockchain networks

The public blockchain is open to everyone, unlike private blockchains. A good example is Bitcoin. The system uses a lot of computational power, transactions are not private, and it is not secure. All of these factors should be considered when applying blockchain to enterprise applications.

Private blockchain networks

A private blockchain network, similar to a public blockchain network, is a decentralized peer-to-peer network. However, one organization governs the network, controlling who is allowed to participate, executing a consensus protocol, and maintaining the shared ledger. If used correctly, this can lead to a substantial increase in trust and confidence between participants. It's possible to run a private blockchain behind the firewall of an organization and even host it on-premises.

Permissioned blockchain networks

Blockchain networks that are set up by businesses generally have allowed access. It is important to note that public blockchain networks can also be allowed. The restrictions determine who can participate in the network and in which transactions. Only those who have been invited or have permission to join are allowed to participate.

Consortium blockchains

Multiple organizations can share the responsibilities of maintaining a blockchain. These pre-selected organizations determine who may submit transactions or access the data. A consortium blockchain is ideal for business when all participants need to be allowed and have a shared responsibility for the blockchain.

Basic blockchain security

With blockchain technology, data is structured in a secure manner. By utilizing cryptography, decentralization, and consensus, trust in transactions is assured. As a rule of thumb, blockchains or distributed ledger technologies structure the data into blocks, where each block consists of a transaction or group of transactions.

It is nearly impossible to tamper with a cryptographic chain in which every block is connected to the blocks before it. A consensus mechanism verifies and agrees upon all transactions within the blocks, ensuring that each transaction is true and accurate.

With blockchain technology, members of a distributed network are able to participate in decentralization. A single user cannot alter the records of transactions since there is no single point of failure. There are, however, some critical security features that distinguish blockchain technologies.

 Risk management systems for blockchain networks  

To reduce risks against attacks and fraud, it is imperative to develop a comprehensive security strategy for enterprise blockchain applications using cybersecurity frameworks, assurance services, and best practices.

 Basic blockchain security

The data structures created by blockchain technology are intrinsically secure. Cryptography, decentralization, and consensus are used to ensure the trustworthiness of transactions. Blockchains and distributed ledger technology, also known as DLT, are made up of blocks of data that contain one transaction or bundle of transactions. A cryptographic chain consists of each new block being connected to the previous blocks in such a way that it is nearly impossible to tamper with. A consensus mechanism ensures that all transactions within the blocks are true and accurate by validating them and agreeing on them.

With blockchain technology, members of a distributed network are able to participate in decentralization. A single user cannot change the record of transactions and there is no single point of failure. There are some critical differences in security, however.

How security differs by blockchain types?

Depending on who can participate and have access to the data, blockchain networks can differ. In general, networks are classified as either public or private based on who is allowed to participate and who is not, and how participants obtain access to the network.

Public and private blockchains

Participants in public blockchain networks can remain anonymous and can join the networks at any time. Computers connected to the internet validate transactions and achieve consensus via public blockchain networks. Probably the most well-known public blockchain is bitcoin, which is validated by the "miners" on the bitcoin network. A "miner" is a computer that solves a complicated cryptographic problem to create proofs of work for bitcoins over the bitcoin network. Unlike public keys, this type of network lacks identities and access controls.

For private blockchains, identity serves as a confirmation of membership and access privileges, usually only allowing known organizations to join. In a members-only "business network," the organizations form a private, members-only blockchain. Through a process called "selective endorsement," a private blockchain in a permitted network, like Bitcoin, obtains consensus through verified transactions by known users. Those with special access and permission are the only ones who can update the transaction ledger. This type of network has more accessible identity control mechanisms.

Assessing which type of blockchain network will best serve your business needs is critical when developing a blockchain application. Regulatory and compliance reasons may dictate that private and public networks be tightly controlled. Public networks, however, can greatly facilitate decentralization and distribution.

Blockchain security for the enterprise

Security must be considered at all layers of the technology stack when building enterprise blockchain applications, as well as how to manage governance and permissions. Blockchain security solutions should include traditional security controls as well as technology-specific controls. 

Enterprise blockchain security solutions should include the following controls:

  • Management of identity and access
  • Privacy of data
  • Secure communication
  • Providing security for smart contracts
  • Endorsement of transactions.


You can trust the expertise of Blockchain experts and make use of blockchain services from Accfarm to help you create a secure and compliant system that will meet your business objectives. You should find a blockchain platform that is production-grade and can be installed on-premises or on your chosen cloud provider, depending on your needs.



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