Chandra Wibowo
In a significant development for the cryptocurrency ecosystem, Layer-1 blockchain Aptos has introduced an innovative Encrypted Mempool feature, designed to bolster security and protect traders from predatory practices such as frontrunning and sandwich attacks. Simultaneously, a proposed accounting rule in the United States could pave the way for broader corporate adoption of stablecoins by allowing them to be treated as cash equivalents. These developments coincide with a stern warning from the Financial Stability Board (FSB) regarding persistent gaps in stablecoin oversight and emerging risks associated with artificial intelligence, as global finance leaders prepare for a crucial G20 meeting.
Aptos Enhances Transaction Security with Encrypted Mempool
Aptos, a blockchain platform focused on scalability and security, has officially launched its Encrypted Mempool feature on its mainnet. This optional upgrade allows users to encrypt pending transactions, keeping their details confidential until they are finalized within a block. The primary objective of this initiative is to mitigate the impact of Maximal Extractable Value (MEV) strategies, a phenomenon prevalent across many blockchain networks where transaction order can be manipulated for profit.
Historically, the transparency of public blockchains, while a cornerstone of decentralization, has also presented vulnerabilities. When a transaction is broadcast to the network, it enters a "mempool" – a waiting area for unconfirmed transactions. Anyone with access to this mempool can view the transaction’s contents, including the specific function being called, the assets and quantities involved, and the smart contracts being interacted with. This visibility has empowered sophisticated actors, often in the form of automated bots, to exploit this information.
Frontrunning involves a malicious actor observing a pending transaction and submitting their own transaction with a higher gas fee to have it executed before the original transaction, thereby profiting from the price movement or information contained within the victim’s transaction. Sandwich attacks are a more elaborate form of MEV, where a malicious actor executes two transactions: one that places a buy order before the victim’s buy order, and another that places a sell order immediately after the victim’s order. This manipulation effectively "sandwiches" the victim’s transaction, forcing them to buy at a higher price and sell at a lower price, while the attacker profits from the price difference.
The cost of these attacks has been substantial. For instance, Cointelegraph’s analysis of EigenPhi data indicated that sandwich attacks alone cost Ethereum traders approximately $60 million over a 12-month period ending in October 2025. On the Solana network, a similar analysis by Bitquery revealed that sandwich attacks generated $29.7 million for bots over an 11-month period, affecting nearly 6.9 million transactions across approximately 2.2 million wallets.
Aptos stated that its Encrypted Mempool is particularly beneficial for institutions submitting high-value transactions, traders seeking to shield themselves from MEV risks, and developers of decentralized applications (dApps) and AI agents. By encrypting transactions before they are picked up by network validators, the feature aims to level the playing field, preventing bots from gleaning exploitable information and thereby fostering a more secure and equitable trading environment. The opt-in nature of the feature ensures that users have control over their privacy and security preferences.
The development of Encrypted Mempool represents a strategic move by Aptos to address one of the most persistent challenges in blockchain technology. While decentralization is a core tenet, the practical implications of absolute transparency can lead to financial losses for legitimate users. Aptos’s solution offers a potential pathway for other blockchain networks to consider in their efforts to enhance user protection against MEV.
US Accounting Proposal Could Unlock Corporate Stablecoin Adoption
In parallel to advancements in blockchain security, a proposed change to U.S. accounting standards has the potential to significantly influence how corporations interact with stablecoins. The Financial Accounting Standards Board (FASB) is currently considering a revision that could permit qualifying stablecoins to be classified as cash equivalents on corporate balance sheets.
Currently, U.S. Generally Accepted Accounting Principles (GAAP) are somewhat restrictive regarding the accounting treatment of digital assets, including stablecoins. If a company holds stablecoins, they may be required to classify them as "other assets" rather than as cash or cash equivalents. This classification can have several implications. It can negatively impact a company’s liquidity ratios, which are key metrics used by investors and creditors to assess a company’s ability to meet its short-term obligations. Furthermore, it could lead to a breach of loan covenants or other financial agreements that specify requirements for cash holdings.
The proposed FASB rule, as reported by Stripe-backed blockchain research firm Tempo, would allow companies to report certain stablecoins as cash equivalents, provided they meet specific criteria. A crucial condition outlined in the proposal is that companies must have direct redemption rights with the stablecoin issuer. This implies that the accounting treatment could vary even for the same stablecoin if two companies have different contractual arrangements with the issuer.
For example, a company like Coinbase, which has a direct redemption arrangement with Circle, the issuer of USD Coin (USDC), has already been able to classify USDC as a cash equivalent in its financial reporting. This direct relationship allows Coinbase to have greater certainty regarding the ability to convert its stablecoin holdings back into fiat currency at a fixed rate, mirroring the characteristics of traditional cash. However, for other corporations holding the same stablecoin without such a direct arrangement, the accounting treatment might remain less favorable.
This initiative by FASB follows the legislative progress made with the GENIUS Act, which established federal requirements for payment stablecoin issuers. While the GENIUS Act focuses on the operational and regulatory aspects of stablecoin issuance, FASB’s separate initiative addresses the critical issue of how businesses account for these digital assets. The aim is to provide a clearer and more favorable accounting framework that acknowledges the stability and liquidity features of qualifying stablecoins, thereby encouraging their broader use by corporations.
The public comment period for this proposed accounting change remains open until November 19th. The outcome of this consultation will be closely watched by the financial and crypto industries, as it could signal a significant step towards integrating stablecoins into mainstream corporate treasury management. Such integration could lead to increased adoption, greater liquidity for stablecoins, and potentially a more efficient cross-border payment system for businesses.
Global Watchdog Urges Action on Stablecoin Oversight and AI Risks Ahead of G20 Summit
As the global financial community gears up for a pivotal G20 finance ministers and central bank governors meeting, the Financial Stability Board (FSB), an international financial regulatory body, has issued a stark warning about the persistent gaps in stablecoin oversight and the burgeoning risks associated with artificial intelligence (AI) in the financial sector.
In a letter addressed to G20 leaders, FSB Chair Andrew Bailey highlighted that cross-border mechanisms for overseeing stablecoins and managing potential crises related to them "remain immature or are not yet developed." This statement underscores a critical concern for international regulators: the absence of robust and harmonized frameworks for managing systemic risks that could arise from stablecoins, especially those with global reach.
The FSB’s 2025 review further elaborated on this issue, revealing that out of 28 surveyed jurisdictions, only 11 had finalized their regulatory frameworks for stablecoins. This fragmentation in regulation creates an uneven playing field and leaves significant loopholes that could be exploited, potentially leading to financial instability. The lack of comprehensive oversight hinders the ability to effectively monitor the reserves backing stablecoins, address potential runs, and ensure consumer protection.
Simultaneously, Bailey also drew attention to the increasing integration of AI in financial services and urged G20 members to support the FSB’s recently finalized practices for responsible AI adoption. He emphasized that "AI therefore requires our continued close attention alongside careful management by financial institutions." The rapid advancement and deployment of AI technologies in areas such as trading, risk management, and customer service present both opportunities and significant challenges. Concerns range from algorithmic bias and the potential for AI-driven market volatility to issues of data privacy and cybersecurity. The interconnectedness of AI systems could also amplify the speed and scale of financial shocks.
The FSB’s letter, submitted ahead of the G20’s Thursday meeting, serves as a crucial agenda item for discussions aimed at coordinating global financial policy and regulatory priorities. The G20, comprising the world’s major economies, is a critical forum for addressing these complex, cross-border challenges. The body’s recommendations on stablecoin regulation and AI governance are expected to influence national regulatory approaches and foster greater international cooperation.
The implications of the FSB’s warnings are far-reaching. For stablecoins, a more robust and harmonized regulatory approach could instill greater confidence among institutional investors and regulators, paving the way for broader, more secure adoption. However, it also signals a potential for stricter regulations, which could impact the operational flexibility of stablecoin issuers. For AI, the FSB’s call for responsible adoption emphasizes the need for a proactive and collaborative approach to ensure that the benefits of AI are realized without compromising financial stability and integrity.
The confluence of these developments – Aptos’s technological innovation in transaction security, the potential regulatory shift in U.S. accounting for stablecoins, and the global financial watchdog’s call for enhanced oversight – paints a picture of a rapidly evolving digital asset landscape. As the crypto industry matures, it faces both opportunities for innovation and the imperative to address systemic risks through robust security measures, clear regulatory frameworks, and responsible technological integration. The G20 meeting will be a critical juncture in shaping the future of global financial regulation in this dynamic environment.
