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Paper proposes blockchain to track Scope 3 carbon emissions

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Accounting researchers say they have uncovered a theoretically possible solution to simplify the tracking of Scope 3 greenhouse gas emissions up and down the value chain using smart contracts and non-fungible tokens on a blockchain platform, easing the carbon reporting process and allowing for increased automation. 

Under certain regulations in the European Union, California and other jurisdictions, entities need to report direct emissions from a company’s facilities and vehicles (Scope 1), indirect emissions from the energy used to run its operations (Scope 2), and emissions from upstream suppliers and downstream end users that buy a company’s products (Scope 3), which are generally understood to be the most complex and difficult to track. The accounting researchers—from Auburn University and John Carroll University—believe they have found a technological solution that, theoretically, could make this process easier. 

The theoretical solution, outlined in the Accounting Review paper Using Blockchain, Non-Fungible Tokens, and Smart Contracts to Track and Report Greenhouse Gas Emissions, consists of a system that would take the form of a web-based connection that allows companies involved in a value chain to enter their emissions data. This data, with proper permissions, could then be accessed by third parties along the value chain who need to report on not just their emissions but those of their suppliers upstream and their customers downstream. 

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Emissions rise from smokestacks at the PKN Orlen SA oil refinery in Plock, Poland.

Bartek Sadowski/Bloomberg

More specifically, each component of a tangible asset would have an associated NFT minted by a self-executing smart contract once that component enters the value chain as a blockchain input. This NFT is assigned data showing Scope 1 emissions associated with creating the component; a separate NFT is then minted for the Scope 2 emissions generated to create the component. As these components move through the physical value chain, the corresponding NFTs move between the same firms on the blockchain. When components are combined in manufacturing, smart contracts would “burn” the associated NFTs and mint new ones that represent the updated in-process assets and their aggregated emissions to that point in the value chain. Each one of these updates is recorded onto the blockchain ledger, which the researchers said would be collectively maintained and approved by consortium members. 

“This system creates a near real-time cradle-to-grave provenance for tangible assets and their associated emissions as they move through the value chain and allows all emissions to be counted and claimed. Furthermore, all value chain participants can use this system to determine the total emissions associated with a product and their classification as Scope 1, 2, or 3 from their reporting vantage point,” said the paper. 

Their system also has the ability to turn on and off different levels of privacy to protect each company’s proprietary information. Participants also can view just the upstream and downstream Scope 3 emissions by categories such as purchased goods or services, transportation and distribution and end-of-life treatment for sold products. When their system is fully built out, according to the paper, any company with authorized access can query the blockchain ledger to see the value of each of their products’ total emissions along all three scopes. 

This is in contrast to current practices, which is generally seen as a complex and arduous affair that relies heavily on manual processes. 

“In the process of conducting our research, we interviewed one [individual] who works for a large retail company, and he manually enters data from about 4,000 vendors into a spreadsheet and then performs calculations,” said Jenkins, noting that this method is time-intensive and could result in data entry errors and the double-counting of emissions,” said Greg Jenkins, one of the study’s authors. 

The paper, however, did not say this technique was a slam dunk. It noted there are many practical hurdles to overcome before such a system could be fully implemented, as well as many risks that must be accounted for. While technologically feasible, experts the researchers ran the concept past pointed to, one, a need for governance and coordination, two, a lack of trust in the blockchain, and, three, blockchain latency. This is on top of other anticipated difficulties such as the challenge of obtaining accurate emissions data to enter into the blockchain in the first place, differences in reporting calendars potentially disrupting coordination, potential exposure of confidential information, and other risks that the technology is meant to address. However, the researchers believe that these challenges can be overcome, and that it will be worth it once they are. 

“Notwithstanding the need for future research and refinement, our proposed solution and the prototype we demonstrate can improve the tracking and reporting of value chain emissions. If implemented, it would enable a cradle-tograve provenance for emissions tracking. With its ‘hand-off’ of emissions between firms, the ecosystem allows for tracking emissions as they move between parties, thus alleviating concerns about having to use secondary data sources to estimate upstream and downstream Scope 3 emissions. It would also alleviate concerns around the timing of emissions reporting, by making emissions data available to all value chain participants in near real-time. Finally, the complete and linear provenance of emissions recorded in a verified and secure ledger should help provide a path to higher levels of assurance on emissions disclosures (i.e., reasonable rather than limited assurance),” said the paper’s conclusion. 

The emissions tracking technology is protected by a U.S. patent, “System, method, and computer-readable medium for using blockchain, NFTs, and smart contracts to track and report greenhouse gas emissions,” filed in May 2024.

While blockchains have the potential to be very energy intensive themselves, thus creating significant greenhouse gases, Mark Sheldon, another of the study’s authors, noted that specific applications do not necessarily have to be.

“Blockchains use different consensus mechanisms to ensure the various nodes (computers) agree on updates to the underlying ledger. Proof-of-stake, an option to use with our solution, is very energy efficient when compared to proof-of-work which is the one everyone hears about with Bitcoin. In fact, the Ethereum blockchain recently changed from proof-of-work to proof-of-stake and reports to be 99% more energy efficient. There are other factors that also come into play with our specific model, but this is the big one for energy efficiency,” he said in an email.

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Accounting

Major tax legislation set to move on Capitol Hill

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The “big beautiful bill” touted by President Trump is getting closer, though the timeline remains imprecise. 

“There’s been some public reporting on tougher questions of spending cuts, but the difference between the tax bill this year and the Tax Cuts and Jobs Act in 2017 is that the inclusion of a lot of spending cuts in the same bill makes it more challenging this year. From the bill itself several categories are apparent,” said Stephen Eckert, a partner in the National Tax Office of Top 25 Firm Plante Moran. “There’s the extension of the TCJA extension, campaign promises, and a catch-all category. In some ways we would expect an extension of the vast majority of TCJA provisions, plus the campaign promises as well as potentially all the other things that get thrown in that we didn’t expect.”

“For example, S.711, the Transportation Freedom Act, sponsored by [Sen. Bernie Moreno, R-Ohio], which would give a 200% deduction for wages paid to auto workers. There is a broader category of things that could be coming to support certain industries,” he continued. 

U.S. Capitol

Bloomberg/Bloomberg via Getty Images

One looming question regarding campaign promises is the potential modification of the Inflation Reduction Act and green energy incentives, Ecker noted: “There has been opposition to certain changes there from Republicans — we’re watching to see what happens to the fate of energy efficient credits and incentives and to what extent they are modified under the bill.”

The House and the Senate are working in parallel, waiting for legislative text, he observed. “The non-tax portions of the bill will be worked on earlier, but until we get the actual text from the House Ways and Means  Committee, there will be questions. For example, there are multiple versions of some of the Trump proposals, such as the proposal to exclude tips and Social Security benefits from income. Each one is a little bit different. We expect changes but it’s unclear what the changes will be.”

Principles or tactics?

For Eckert, the real questions are about where the red lines are for certain members. For example, there have been statements  by some House members that they won’t vote for the bill if it includes a cap on state and local tax deductions. 

But are those actual red lines, or negotiating positions that will be softened? 

“At this point, businesses would just like some degree of certainty going forward,” he said. “Until then, it’s hard to engage in longer term planning. Hopefully, the bill will advance relatively soon so businesses will know what will be the law for the next couple of years and have a chance to plan for the future.”

The House and Senate are both actively working on their versions, and they are constantly interacting with each other, according to Miklos Ringbauer, founder of MiklosCPA in Southern California. “So instead of having A and B and then trying to figure out what they can create out of it, they are now jointly working on it, so it has a greater chance of passing across the board,” he explained.

However, there’s a bit of a gap in the size of the budget cuts in each bill, with the Senate version pegged at less of a cut than the House. And some want to double the SALT limitation, while some would prefer to see it go away altogether. 

“Likewise,the estate tax exemption,” he continued. “There are some that would like to see the entire estate qualify as exempt from tax. Those are some of the ideas floating around, but until it’s voted on by both chambers and the president signs it, there’s no law. Everything can change until the very last minute.”

Ringbauer noted that the TCJA required technical corrections and extensive guidance when it was passed in 2017, and he anticipates the same with this year’s bill: “There’s a very short overall window because the 2017 laws are expiring at the end of this year. Between May and December we have just a few months.”

“It looks like everyone is on board with expanding the availability of the Child Tax Credit on the individual side. It helped a lot of families at that time. It helped a number of families to get out of poverty,” he noted.

The reenactment of 100% bonus depreciation and the opportunity to fully expense R&D will be boons to business if they are, as expected, part of the legislation.

“It’s an exciting year for tax accountants; we are seeing a huge transformation of tax laws all over again,” Ringbauer said. “What could happen is, they simply reenact every part of the 2017 tax law legislation, or they could figure out what really worked and what didn’t work, and start adjusting some things and letting other ones expire.”

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Accounting

IESBA offers Q&A on tax planning ethical standards

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The International Ethics Standards Board for Accountants staff posted a questions and answers publication Thursday to support the adoption and implementation of its IESBA Tax Planning and Related Services Standards

The standards offer a principles-based framework and a global ethical benchmark to guide accountants in public practice and in business when they’re doing tax planning.

The Q&A publication highlights, illustrates and explains various aspects of the standards to help firms, jurisdictional standard-setters and accounting organizations adopt and implement the standards, and individual accountants apply them. The publication can also help tax authorities, the corporate governance community, investors, business preparers, educational bodies or institutions, and other stakeholders understand the standards.

The Tax Planning and Related Services standards take effect July 1, 2025.

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Accounting

Firms: PMS’s, tech infrastructure, need upgrades

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Tech-forward CPA firms–including those listed in this year’s Best Firms for Technology–reported a variety of areas in need of a tech upgrade, and are planning major investments over the next year to address at least some of these pain points. 

One of the most commonly mentioned areas were firm practice management systems. 

Some, like California-based Navolio and Tallman, wanted better reporting options than were currently on offer from their practice management systems. New Jersey-based Wilken Gutenplan, meanwhile, said they needed practice management software with better billing and reporting features. And others, like top 25 firm Citrin Cooperman, wanted better solutions for internal administrative tasks. Meanwhile, top 100 firm Prager Metis, wanted better workflow and integrations. 

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“[We plan to] focus on improving inward facing practice management workflows that seamlessly provide connectivity between different vendor applications. Effectively automation from client intake to delivering the service,” said chief information officer Gurjit Singh. 

However, such upgrades are not always easy, and in fact can present a major challenge for firms such as Iowa-based Community CPA and Associates. 

“Our biggest technology challenge continues to be managing technical debt and navigating the limitations of our legacy systems—particularly the lack of interoperability and scalability in key platforms like our practice management system (PMS). This system handles many interconnected functions—client tracking, engagement and project management, time entry, billing, and collections—but its tightly integrated design makes it difficult to enhance any one area without impacting others. While we’ve made progress with some integrations and automations, we’re still working to develop and migrate these functions to more robust modern platforms that allow for greater scalability,” said CEO Ying Sa. 

Firms also reported a need to update and improve their technology infrastructure. Top 25 firm Armanino, for instance, was expanding its cloud footprint even further, with the firm wanting to move its remaining on-premise dependencies into native cloud solutions. Illinois-based Mowery and Schoenfeld, similarly, pointed to their server infrastructure as an area that needs updating. 

For others, though, the question of infrastructure was less about hardware and more about software. In particular, while firms have already made upgrades and improvements to their tech stack, getting these programs to talk to each other seems to be a consistent challenge across firms, one that firms such top 50 firm LBMC said they were eager to address in both their client-facing and back-office technology solutions. 

“Our firm’s biggest technology challenge is the ongoing effort to integrate various service-specific applications so they can work seamlessly together. This integration is crucial for enhancing collaboration and efficiency across different service lines,” said CEO Jim Meade. 

But while these were the more common answers, there were many other areas that firms said could stand some improvement. Some, such as the Florida-based Network Firm, were looking to upgrade core service solutions like audit, tax or data analytics software. Others named process efficiency as a priority, such as top 25 firm Cherry Bekaert who named automation readiness/standardization for certain practices as an area due for an upgrade, or top 50 firm UHY who said they were working to streamline the engagement life cycle. 

And of course there were those, such as top 25 firm Eisner Amper, that wanted to boost their AI capacities. 

“Our focus for technology capability additions are in Generative AI where it can help us work smarter and faster—across both client-facing services and internal operations,” said chief technology officer Sanjay Desai. 

AI, automation and infrastructure

These pain points have served to inform these firms’ plans for technology investments over the next year. While firms, just like before, provided a wide variety of plans and priorities, most seemed focused on improved efficiency and insights through automation and AI. 

However, when it came to AI tools at least, most declined to provide specifics beyond their overall intentions to invest in them. Though, they did say they were hoping to use these solutions to speed up workflows in client-facing service areas like tax or audit, or to acquire tools that would let them create or modify their own AIs. 

More expansive visions came when discussing the kinds of hardware purchases that would support these aforementioned AI tools. California-based Navolio and Tallman, for example, elaborated on its plans to purchase new laptops specifically optimized for AI applications. 

“We’re planning to invest in a new generation of laptops that come with Copilot-enabled Neural Processing Units (NPUs). These laptops are designed to accelerate AI-powered tasks, and we see them as an investment that keeps our firm aligned with the future of the tech industry. The laptops will have improved internal specs for multitasking and include touchscreen functionality to make day-to-day usage more intuitive,” said IT partner Stephanie Ringrose. Other firms also made mention of new laptops optimized for AI, including Armanino, which added that it is also considering pairing them with hardwire and storage for internal AI production. 

Beyond hardware, firms like Community CPA and Associates also said they were planning investments in their software infrastructure as well. 

“We plan to begin transitioning to a new ERP and CRM platform as well as explore agentic AI tools for saving time in our accounting services workflows for our clients. We also intend to purchase replacement hardware for routine replacement of equipment that has reached the end of their lifecycle,” said Sa. Cherry Bekaert also said they were looking into new ERPs. 

Other planned investments include virtual servers and desktops, API access for SaaS applications, resource scheduling and pricing solutions, data management and governance tools, cybersecurity solutions, and internal communications software. 

However, some firms, such as the Network Firm, are not planning to purchase new solutions but to make them in-house, and more are planning to buy some and make others, such as Cherry Bekaert, who said they were building a custom intelligent automation platform. Assurance partner Jonathan Kraftchick said the firm is looking at many different avenues to align their technology investments with business objectives. 

“As our portfolio broadens, it introduces new layers of complexity to our operations, requiring cutting-edge systems that deliver actionable insights, enhance decision-making, and streamline internal processes. This challenge propels us to implement diverse technology solutions, meticulously tailored to meet the evolving demands of our expanding portfolio and ensure the seamless integration of new acquisitions,” he said. 

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