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Blockchain is rewriting the ledgers of accounting line by line. Find out how accounting and blockchain go hand in hand and what the future holds for accountants.

Blockchain technology is a decentralized and shared digital ledger system that records and validates transactions across networks without relying on one trusted central authority. It stores an ever-growing sequence of data structures known as blocks. Each block contains a time stamp and links to the block before it. Once a block has been added to a chain, its data can’t be changed.

There are several ways to build a blockchain network, including:

• Public blockchains: A public blockchain allows anyone to participate and is common among cryptocurrencies.
• Private blockchains: This is a decentralized, peer-to-peer system governed by one organization that decides who can participate.
• Permissioned blockchains: A permissioned blockchain applies to both private and public blockchain networks, and it sets restrictions on who can participate.
• Consortium blockchains: This type of blockchain is managed by preselected organizations that share blockchain maintenance responsibilities. 

Centralization and access are key factors that separate blockchain systems from traditional databases. All records within a traditional database are typically controlled by one trusted authority within an organization.

With a blockchain system, that centralized control is removed. Each participant can have access to all records and changes. When inconsistencies occur, blockchain rejects them, even if one participant maliciously changes information. The unchanged record also indicates who attempted to change the data. 

Blockchain has introduced traceable audit trails, transaction authentication, automated auditing and asset ownership tracking to accounting. These capabilities change how financial data is managed and secured in the following ways.

In a traditional system, accountants might store and reconcile records of a particular transaction in a separate and privately managed database. However, traditional systems can run into data integrity issues.

For example, when a sales transaction is complete, the seller and buyer can record the financial transactions individually, but there's no proof that either source is trustworthy. The seller can claim they never received a payment from the buyer. The buyer can claim they paid when they didn't.

A blockchain system solves this problem by using triple-entry accounting. This system records both sides of a transaction simultaneously — one for the seller and another for the buyer — in a shared ledger in real time. It then requires a neutral third party to verify the transaction. 

Blockchain technology uses cryptographic hashing to secure data and protect it from unauthorized access. This is what makes transactions in a blockchain unchangeable.

Before a transaction can be added to a blockchain, it must be validated. Through consensus mechanisms like proof of stake or proof of work, network participants must ensure the accuracy of each transaction.

Smart contracts are used to execute agreements automatically without third-party assistance. They ensure the completion of transactions by running if-then checks, such as a company making an automatic payment upon receiving inventory. In accounting, smart contracts can also streamline workflows and trigger future actions under specific predetermined conditions.

Blockchain will undoubtedly have an impact on accounting firms, especially those whose services are centered on auditing. It has the potential to be even more disruptive than machine learning.

For example, with blockchain technology, accountants no longer need to enter information into more than one database. Auditors no longer need to reconcile different ledgers. To counter this disruption, accounting firms will need to diversify their services and clientele.

That doesn’t mean there will never be a need for auditors. When blockchain and auditing intersect, the quality of audits will still require keen judgment and the ability to carefully interpret data results that businesses rely on to make decisions. Those who work in accounting will need to understand how to monitor transactions in real time rather than periodically test and reconcile historical records.

Additionally, accounting standards are already adapting to blockchain. In 2023, the Financial Accounting Standards Board issued Accounting Standards Update 2023-08, which requires certain crypto assets to be measured at fair value in each reporting period. This matters for accounting practices, since cryptocurrencies fall within the of Generally Accepted Accounting Principles.

Blockchain can benefit accounting by reshaping how financial data is recorded, verified and shared across organizations.

Traditional accounting systems may lack the mechanisms to keep track of transactions from various ledgers. Blockchain’s triple-entry accounting can help form an audit trail and execute codified agreements in a shared and immutable environment. This process is poised to replace traditional accounting processes like documentation, contracts, invoice creation and payment processing. 

Data integrity is a must-have in financial accounting. It refers to overall reliability, accuracy and consistency of data, and a lack of it can lead to inaccurate reporting, a loss of trust and regulatory compliance issues.

Cryptography and consensus mechanisms reduce the opportunity for fraud and protect the integrity of the ledger. Without a single point of failure, a user can't tamper with transaction data.

The use of smart contracts streamlines financial accounting by automating payments, financial agreements and other complex processes. This can improve financial workflow efficiency, minimize the need for third parties, speed up transaction settlements and reduce human error.

Blockchain has the potential to reduce operational and maintenance expenses. Several investment banks have already cut down on , which has resulted in notable cost savings.

Like any other transformation in accounting, blockchain isn’t foolproof. It comes with potential limitations and challenges that can create friction within financial accounting. 

There are regulatory and legal challenges surrounding blockchain due to the global and decentralized nature of the technology. Regulations regarding blockchain technology and ESG reporting (environmental, social and corporate governance data) differ across jurisdictions, which creates challenges in data privacy, financial reporting requirements and anti-money-laundering laws.

Financial institutions may experience challenges in balancing regulatory requirements — such as data privacy and audit controls — with the transparency of blockchain systems especially when using blockchain to improve ESG compliance and reporting.

Government agencies and regulators have begun working on establishing policies to address the distinct challenges blockchain poses, including security, data privacy and transactions across borders. 

Scalability is one of the leading technical barriers to integrating blockchain into accounting. A high volume of transactions might strain a blockchain system’s capacity, which can increase latency and slow down transaction processing. These bottlenecks can be addressed by implementing layer-2 scaling and consensus mechanisms that work more efficiently.

Many companies rely on outdated accounting systems. Integrating blockchain with older systems might require extensive effort and resources, as companies will need to migrate historical data, ensure compatibility and train accounting and technical staff.

The factors that influence blockchain technology adoption include:

• Technology: This includes addressing prototyping issues, implementation, efficiency and the role information technology has in adoption.
• Organization: This includes how well blockchain can be integrated, the level of informal and formal exchange, the presence of cross-functional teams and overall organizational attitude toward adoption.
• People: This includes partnerships, how distributed knowledge is, the need for developers and the overall mindset surrounding the technology.
• Project management: This includes whether a company uses a bottom-up or top-down approach, as well as organizational motivation and responsibility.
• Environment: This includes standardization, the availability of use cases and any uncertainty surrounding blockchain adoption.

While implementing blockchain into financial accounting might align with a company’s digital transformation goals, actually embracing this change requires an understanding of the technology and experience with it.

Before widespread adoption can occur, firms must address challenges in data standardization, regulation, integration and blockchain scalability.