Solana's "Phantom Tax"

By: blockbeats|2026/01/07 12:00:01
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A few years ago, an article titled "Payment for Order Flow on Solana" uncovered a dark corner of the Solana fee market, sparking a viral phenomenon on English Twitter.

PFOF (Payment for Order Flow) has long been a mature business model in traditional finance. Robinhood, through this model, played the "zero-commission trading" card, quickly breaking away from numerous old-school brokerages. This strategy not only filled Robinhood's coffers but also compelled industry giants like JPMorgan Wealth Management and E-Trade to follow suit, reshaping the landscape of the U.S. retail brokerage business.

In just 2021, Robinhood raked in nearly $1 billion in revenue through PFOF, accounting for half of its total revenue that year; even by 2025, its quarterly PFOF revenue still reaches hundreds of millions of dollars. This clearly demonstrates the massive profits behind this business model.

In the traditional market, market makers greatly favor retail orders. The reason is simple—retail orders are often viewed as "non-toxic," typically based on emotion or immediate need, without precise predictions of future price movements. Market makers take these orders, ensuring a profit from the bid-ask spread, without the worry of facing informed traders (like institutional investors) on the other side.

To meet this demand, brokerages (like Robinhood) bundle users' order flow and sell it in bulk to market-making giants like Citadel, thereby receiving substantial rebates.

In the traditional financial market, regulation to some extent protects retail investors, with the SEC's "National Market System Regulation NMS" mandating that even orders sold in bulk must receive execution no worse than the market's best price.

However, in the unregulated world of blockchain, applications are leveraging information asymmetry, enticing users to pay priority fees and tips far above the actual on-chain demand, quietly siphoning off these premiums. This behavior fundamentally represents levying an invisible "tax" on unsuspecting users.

Monetizing Traffic

For apps holding a significant user gateway, the means of monetizing traffic are far richer than you might imagine.

Front-end applications and wallets can decide where users' transactions go, how they are executed, and even how quickly they get on-chain. Every "checkpoint" in a transaction's lifecycle conceals the business of "stripping users' value to the bone."

"Selling" Users to Market Makers

Just like Robinhood, applications on Solana can also sell "access rights" to liquidity providers.

RFQ (Request for Quote) is a direct embodiment of this logic. Unlike traditional AMMs, RFQ allows users (or applications) to directly request quotes from specific liquidity providers and execute trades. On Solana, aggregators like Jupiter have already integrated this model (JupiterZ). In this system, the application side can charge a connection fee to these liquidity providers, or even more directly, sell batches of retail orders flow. As the on-chain spread continues to narrow, the author expects this "selling order flow" business to become more common.

Furthermore, there is also a forming alliance of interest between DEXes and aggregators. Prop AMMs (proprietary liquidity providers) and DEXes heavily rely on the traffic brought in by the aggregator, and the aggregator is fully capable of charging these liquidity providers and returning a portion of the profits to the front-end application as a "rebate."

For example, when the Phantom wallet routes a user's trade to Jupiter, the underlying liquidity provider (such as HumidiFi or Meteora) may pay Jupiter in order to compete for the execution of that trade. After receiving this "routing fee," Jupiter then returns a portion of it to Phantom.

While this speculation has not been publicly confirmed, the author believes that, driven by self-interest, this "profit-sharing unwritten rule" within the industry chain is almost a natural phenomenon.

Vampire Market Order

When a user clicks "confirm" and signs in the wallet, this transaction is essentially a "market order" with a slippage parameter.

For applications, there are two ways to handle this order:

Benign Route: Selling the arbitrage opportunity generated by the transaction to professional trading firms, sharing the profits. The so-called Backrun refers to when a user's buy order on DEX1 drives up the token price in DEX1, arbitrage bots then buy in DEX2 in the same block (without affecting the user's buy price on DEX1) and sell on DEX1.

Malicious Route: Assisting sandwichers (sandwich arbitrageurs) to attack their own users, driving up the user's execution price.

Even taking the benign route does not mean the application side is ethical. To maximize the value of "arbitrage tailgating," the application side has an incentive to deliberately slow down transaction on-chain speed. Driven by profit motives, the application side may also intentionally route users to pools with lower liquidity in order to artificially create greater price fluctuations and arbitrage opportunities.

According to reports, some well-known front-end applications on Solana are engaging in the above practices.

Who Took Your Tip?

If the above methods still have some technical barriers, then the clandestine operation in "transaction fees" can be considered a full-blown performance.

On Solana, the fee users pay is actually divided into two parts:

- Priority Fee: This is the protocol fee paid directly to validators.

- Transaction Tip: This is an amount of SOL sent to any address, usually paid to a "Landing Service" like Jito. The service provider then decides how much to give to the validator and how much to rebate back to the application end.

Why the need for a Landing Service? Because communication on the Solana network is highly complex during congestion, ordinary transaction broadcasts easily fail. Landing services play the role of a "VIP channel," promising users on-chain transaction success through a specially optimized pathway.

Solana's complex Builder Market and fragmented routing system have given rise to this unique role, creating excellent rent-seeking opportunities for the application end. Applications often entice users to pay high tips for a "guaranteed" transaction and then share this premium with the Landing Service provider.

Transaction Traffic and Fee Landscape

Let's look at some data. During the week of December 1-8, 2025, the entire Solana network generated 450 million transactions.

Among them, Jito's Landing Service processed 80 million transactions, dominating the market (93.5% Builder Market share). And within these transactions, the vast majority were related to swaps, oracle updates, and liquidity provider operations.

In this massive pool of traffic, users often pay high fees in pursuit of speed. But was all this money truly spent to expedite transactions?

Not necessarily. Data indicates that low-activity wallets (usually retail investors) paid exorbitantly high Priority Fees. Considering the blocks were not full at the time, these users were evidently overcharged.

Applications leverage users' fear of "transaction failure," enticing them to set extremely high tips, and then, through an agreement with the Landing Service provider, pocket this surplus income.

Anti-Pattern Axiom

To illustrate this "harvesting" pattern more intuitively, the author conducted an in-depth case study of the Axiom top app on Solana.

The transaction fees generated by Axiom lead the entire network, not only because of its large user base but also because it is the most ruthless in milking its users.

Data shows that the median (p50) priority fee paid by Axiom users is as high as 1,005,000 lamports. In comparison, high-frequency trading wallets pay only about 5,000 to 6,000 lamports. There is a 200x difference between them.

Solana's

The same is true for tips.

Axiom users pay significantly higher tips on landing services such as Nozomi and Zero Slot compared to the market average. The app side cleverly exploits users' extreme sensitivity to "speed" and, without any negative feedback, achieves double charging of users.

The author boldly speculates, "The vast majority of transaction fees paid by Axiom users ultimately end up back in the pockets of the Axiom team."

Reclaiming Fee Setting Power

The severe misalignment between user incentives and app incentives is the root cause of the current chaos. Users do not know what a reasonable fee is, and the app side is happy to maintain this chaos.

To break this deadlock, we need to start from the fundamental market structure. The introduction of Solana's Multiple Concurrent Proposers (MCP) and Priority Ordering around 2026, along with the widely proposed dynamic base fee mechanism, may be the key to solving the problem.

Multiple Concurrent Proposers

The current Solana single proposer model is prone to temporary monopolies, where the app side only needs to handle the current Leader to quickly control transaction packaging. With the introduction of MCP, multiple proposers work concurrently in each slot, significantly increasing the cost of attacks and monopolies, enhancing censorship resistance, making it difficult for the app side to block users by controlling a single node.

Priority Ordering Mechanism

By protocol-level enforcement of "ordering by fee priority," the randomness of ordering (Jitter) is eliminated. This reduces the need for users to rely on private acceleration channels like Jito just to ensure transaction inclusion. For regular transactions, users no longer need to guess how much fee to provide. They simply send the payment within the protocol, and all network validators will prioritize transactions based on deterministic rules.

Dynamic Base Fee

This is the most critical step. Solana is attempting to introduce a concept similar to Ethereum's Dynamic Base Fee.

Users no longer blindly tip but instead explicitly instruct the protocol: "I am willing to pay up to X Lamports as the fee for this on-chain transaction."

The protocol automatically prices transactions based on the current level of congestion. If uncongested, only a low fee is charged; if congested, a higher fee is collected. This mechanism takes the pricing power away from the application side and intermediaries, returning it to a transparent protocol algorithm.

Memes have brought prosperity to Solana but have also left behind a deep-rooted problem, fostering a restless profit-seeking gene. For Solana to truly realize the vision of an ICM, it cannot allow applications controlling frontend traffic and protocols controlling infrastructure to act recklessly and selfishly.

As the saying goes, "Clean the house before inviting guests." Only by upgrading the underlying technical architecture, using technological means to eradicate rent-seeking behavior, and developing a market structure that is fair, transparent, and prioritizes user welfare, can Solana truly have the confidence to integrate and compete with the traditional financial system.

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China's Central Bank and Eight Other Departments' Latest Regulatory Focus: Key Attention to RWA Tokenized Asset Risk


Foreword: Today, the People's Bank of China's website published the "Notice of the People's Bank of China, National Development and Reform Commission, Ministry of Industry and Information Technology, Ministry of Public Security, State Administration for Market Regulation, China Banking and Insurance Regulatory Commission, China Securities Regulatory Commission, State Administration of Foreign Exchange on Further Preventing and Dealing with Risks Related to Virtual Currency and Others (Yinfa [2026] No. 42)", the latest regulatory requirements from the eight departments including the central bank, which are basically consistent with the regulatory requirements of recent years. The main focus of the regulation is on speculative activities such as virtual currency trading, exchanges, ICOs, overseas platform services, and this time, regulatory oversight of RWA has been added, explicitly prohibiting RWA tokenization, stablecoins (especially those pegged to the RMB). The following is the full text:


To the people's governments of all provinces, autonomous regions, and municipalities directly under the Central Government, the Xinjiang Production and Construction Corps:


  Recently, there have been speculative activities related to virtual currency and Real-World Assets (RWA) tokenization, disrupting the economic and financial order and jeopardizing the property security of the people. In order to further prevent and address the risks related to virtual currency and Real-World Assets tokenization, effectively safeguard national security and social stability, in accordance with the "Law of the People's Republic of China on the People's Bank of China," "Law of the People's Republic of China on Commercial Banks," "Securities Law of the People's Republic of China," "Law of the People's Republic of China on Securities Investment Funds," "Law of the People's Republic of China on Futures and Derivatives," "Cybersecurity Law of the People's Republic of China," "Regulations of the People's Republic of China on the Administration of Renminbi," "Regulations on Prevention and Disposal of Illegal Fundraising," "Regulations of the People's Republic of China on Foreign Exchange Administration," "Telecommunications Regulations of the People's Republic of China," and other provisions, after reaching consensus with the Cyberspace Administration of China, the Supreme People's Court, and the Supreme People's Procuratorate, and with the approval of the State Council, the relevant matters are notified as follows:


  I. Clarify the essential attributes of virtual currency, Real-World Assets tokenization, and related business activities


  (I) Virtual currency does not possess the legal status equivalent to fiat currency. Virtual currencies such as Bitcoin, Ether, Tether, etc., have the main characteristics of being issued by non-monetary authorities, using encryption technology and distributed ledger or similar technology, existing in digital form, etc. They do not have legal tender status, should not and cannot be circulated and used as currency in the market.


  The business activities related to virtual currency are classified as illegal financial activities. The exchange of fiat currency and virtual currency within the territory, exchange of virtual currencies, acting as a central counterparty in buying and selling virtual currencies, providing information intermediary and pricing services for virtual currency transactions, token issuance financing, and trading of virtual currency-related financial products, etc., fall under illegal financial activities, such as suspected illegal issuance of token vouchers, unauthorized public issuance of securities, illegal operation of securities and futures business, illegal fundraising, etc., are strictly prohibited across the board and resolutely banned in accordance with the law. Overseas entities and individuals are not allowed to provide virtual currency-related services to domestic entities in any form.


  A stablecoin pegged to a fiat currency indirectly fulfills some functions of the fiat currency in circulation. Without the consent of relevant authorities in accordance with the law and regulations, any domestic or foreign entity or individual is not allowed to issue a RMB-pegged stablecoin overseas.


(II)Tokenization of Real-World Assets refers to the use of encryption technology and distributed ledger or similar technologies to transform ownership rights, income rights, etc., of assets into tokens (tokens) or other interests or bond certificates with token (token) characteristics, and carry out issuance and trading activities.


  Engaging in the tokenization of real-world assets domestically, as well as providing related intermediary, information technology services, etc., which are suspected of illegal issuance of token vouchers, unauthorized public offering of securities, illegal operation of securities and futures business, illegal fundraising, and other illegal financial activities, shall be prohibited; except for relevant business activities carried out with the approval of the competent authorities in accordance with the law and regulations and relying on specific financial infrastructures. Overseas entities and individuals are not allowed to illegally provide services related to the tokenization of real-world assets to domestic entities in any form.


  II. Sound Work Mechanism


  (III) Inter-agency Coordination. The People's Bank of China, together with the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Public Security, the State Administration for Market Regulation, the China Banking and Insurance Regulatory Commission, the China Securities Regulatory Commission, the State Administration of Foreign Exchange, and other departments, will improve the work mechanism, strengthen coordination with the Cyberspace Administration of China, the Supreme People's Court, and the Supreme People's Procuratorate, coordinate efforts, and overall guide regions to carry out risk prevention and disposal of virtual currency-related illegal financial activities.


  The China Securities Regulatory Commission, together with the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Public Security, the People's Bank of China, the State Administration for Market Regulation, the China Banking and Insurance Regulatory Commission, the State Administration of Foreign Exchange, and other departments, will improve the work mechanism, strengthen coordination with the Cyberspace Administration of China, the Supreme People's Court, and the Supreme People's Procuratorate, coordinate efforts, and overall guide regions to carry out risk prevention and disposal of illegal financial activities related to the tokenization of real-world assets.


  (IV) Strengthening Local Implementation. The people's governments at the provincial level are overall responsible for the prevention and disposal of risks related to virtual currencies and the tokenization of real-world assets in their respective administrative regions. The specific leading department is the local financial regulatory department, with participation from branches and dispatched institutions of the State Council's financial regulatory department, telecommunications regulators, public security, market supervision, and other departments, in coordination with cyberspace departments, courts, and procuratorates, to improve the normalization of the work mechanism, effectively connect with the relevant work mechanisms of central departments, form a cooperative and coordinated working pattern between central and local governments, effectively prevent and properly handle risks related to virtual currencies and the tokenization of real-world assets, and maintain economic and financial order and social stability.


  III. Strengthened Risk Monitoring, Prevention, and Disposal


  (5) Enhanced Risk Monitoring. The People's Bank of China, China Securities Regulatory Commission, National Development and Reform Commission, Ministry of Industry and Information Technology, Ministry of Public Security, State Administration of Foreign Exchange, Cyberspace Administration of China, and other departments continue to improve monitoring techniques and system support, enhance cross-departmental data analysis and sharing, establish sound information sharing and cross-validation mechanisms, promptly grasp the risk situation of activities related to virtual currency and real-world asset tokenization. Local governments at all levels give full play to the role of local monitoring and early warning mechanisms. Local financial regulatory authorities, together with branches and agencies of the State Council's financial regulatory authorities, as well as departments of cyberspace and public security, ensure effective connection between online monitoring, offline investigation, and fund tracking, efficiently and accurately identify activities related to virtual currency and real-world asset tokenization, promptly share risk information, improve early warning information dissemination, verification, and rapid response mechanisms.


  (6) Strengthened Oversight of Financial Institutions, Intermediaries, and Technology Service Providers. Financial institutions (including non-bank payment institutions) are prohibited from providing account opening, fund transfer, and clearing services for virtual currency-related business activities, issuing and selling financial products related to virtual currency, including virtual currency and related financial products in the scope of collateral, conducting insurance business related to virtual currency, or including virtual currency in the scope of insurance liability. Financial institutions (including non-bank payment institutions) are prohibited from providing custody, clearing, and settlement services for unauthorized real-world asset tokenization-related business and related financial products. Relevant intermediary institutions and information technology service providers are prohibited from providing intermediary, technical, or other services for unauthorized real-world asset tokenization-related businesses and related financial products.


  (7) Enhanced Management of Internet Information Content and Access. Internet enterprises are prohibited from providing online business venues, commercial displays, marketing, advertising, or paid traffic diversion services for virtual currency and real-world asset tokenization-related business activities. Upon discovering clues of illegal activities, they should promptly report to relevant departments and provide technical support and assistance for related investigations and inquiries. Based on the clues transferred by the financial regulatory authorities, the cyberspace administration, telecommunications authorities, and public security departments should promptly close and deal with websites, mobile applications (including mini-programs), and public accounts engaged in virtual currency and real-world asset tokenization-related business activities in accordance with the law.


  (8) Strengthened Entity Registration and Advertisement Management. Market supervision departments strengthen entity registration and management, and enterprise and individual business registrations must not contain terms such as "virtual currency," "virtual asset," "cryptocurrency," "crypto asset," "stablecoin," "real-world asset tokenization," or "RWA" in their names or business scopes. Market supervision departments, together with financial regulatory authorities, legally enhance the supervision of advertisements related to virtual currency and real-world asset tokenization, promptly investigating and handling relevant illegal advertisements.


  (IX) Continued Rectification of Virtual Currency Mining Activities. The National Development and Reform Commission, together with relevant departments, strictly controls virtual currency mining activities, continuously promotes the rectification of virtual currency mining activities. The people's governments of various provinces take overall responsibility for the rectification of "mining" within their respective administrative regions. In accordance with the requirements of the National Development and Reform Commission and other departments in the "Notice on the Rectification of Virtual Currency Mining Activities" (NDRC Energy-saving Building [2021] No. 1283) and the provisions of the "Guidance Catalog for Industrial Structure Adjustment (2024 Edition)," a comprehensive review, investigation, and closure of existing virtual currency mining projects are conducted, new mining projects are strictly prohibited, and mining machine production enterprises are strictly prohibited from providing mining machine sales and other services within the country.


  (X) Severe Crackdown on Related Illegal Financial Activities. Upon discovering clues to illegal financial activities related to virtual currency and the tokenization of real-world assets, local financial regulatory authorities, branches of the State Council's financial regulatory authorities, and other relevant departments promptly investigate, determine, and properly handle the issues in accordance with the law, and seriously hold the relevant entities and individuals legally responsible. Those suspected of crimes are transferred to the judicial authorities for processing according to the law.


 (XI) Severe Crackdown on Related Illegal and Criminal Activities. The Ministry of Public Security, the People's Bank of China, the State Administration for Market Regulation, the China Banking and Insurance Regulatory Commission, the China Securities Regulatory Commission, as well as judicial and procuratorial organs, in accordance with their respective responsibilities, rigorously crack down on illegal and criminal activities related to virtual currency, the tokenization of real-world assets, such as fraud, money laundering, illegal business operations, pyramid schemes, illegal fundraising, and other illegal and criminal activities carried out under the guise of virtual currency, the tokenization of real-world assets, etc.


  (XII) Strengthen Industry Self-discipline. Relevant industry associations should enhance membership management and policy advocacy, based on their own responsibilities, advocate and urge member units to resist illegal financial activities related to virtual currency and the tokenization of real-world assets. Member units that violate regulatory policies and industry self-discipline rules are to be disciplined in accordance with relevant self-regulatory management regulations. By leveraging various industry infrastructure, conduct risk monitoring related to virtual currency, the tokenization of real-world assets, and promptly transfer issue clues to relevant departments.


  IV. Strict Supervision of Domestic Entities Engaging in Overseas Business Activities


(XIII) Without the approval of relevant departments in accordance with the law and regulations, domestic entities and foreign entities controlled by them may not issue virtual currency overseas.


  (XIV) Domestic entities engaging directly or indirectly in overseas external debt-based tokenization of real-world assets, or conducting asset securitization activities abroad based on domestic ownership rights, income rights, etc. (hereinafter referred to as domestic equity), should be strictly regulated in accordance with the principles of "same business, same risk, same rules." The National Development and Reform Commission, the China Securities Regulatory Commission, the State Administration of Foreign Exchange, and other relevant departments regulate it according to their respective responsibilities. For other forms of overseas real-world asset tokenization activities based on domestic equity by domestic entities, the China Securities Regulatory Commission, together with relevant departments, supervise according to their division of responsibilities. Without the consent and filing of relevant departments, no unit or individual may engage in the above-mentioned business.


  (15) Overseas subsidiaries and branches of domestic financial institutions providing Real World Asset Tokenization-related services overseas shall do so legally and prudently. They shall have professional personnel and systems in place to effectively mitigate business risks, strictly implement customer onboarding, suitability management, anti-money laundering requirements, and incorporate them into the domestic financial institutions' compliance and risk management system. Intermediaries and information technology service providers offering Real World Asset Tokenization services abroad based on domestic equity or conducting Real World Asset Tokenization business in the form of overseas debt for domestic entities directly or indirectly venturing abroad must strictly comply with relevant laws and regulations. They should establish and improve relevant compliance and internal control systems in accordance with relevant normative requirements, strengthen business and risk control, and report the business developments to the relevant regulatory authorities for approval or filing.


  V. Strengthen Organizational Implementation


  (16) Strengthen organizational leadership and overall coordination. All departments and regions should attach great importance to the prevention of risks related to virtual currencies and Real World Asset Tokenization, strengthen organizational leadership, clarify work responsibilities, form a long-term effective working mechanism with centralized coordination, local implementation, and shared responsibilities, maintain high pressure, dynamically monitor risks, effectively prevent and mitigate risks in an orderly and efficient manner, legally protect the property security of the people, and make every effort to maintain economic and financial order and social stability.


  (17) Widely carry out publicity and education. All departments, regions, and industry associations should make full use of various media and other communication channels to disseminate information through legal and policy interpretation, analysis of typical cases, and education on investment risks, etc. They should promote the illegality and harm of virtual currencies and Real World Asset Tokenization-related businesses and their manifestations, fully alert to potential risks and hidden dangers, and enhance public awareness and identification capabilities for risk prevention.


  VI. Legal Responsibility


  (18) Engaging in illegal financial activities related to virtual currencies and Real World Asset Tokenization in violation of this notice, as well as providing services for virtual currencies and Real World Asset Tokenization-related businesses, shall be punished in accordance with relevant regulations. If it constitutes a crime, criminal liability shall be pursued according to the law. For domestic entities and individuals who knowingly or should have known that overseas entities illegally provided virtual currency or Real World Asset Tokenization-related services to domestic entities and still assisted them, relevant responsibilities shall be pursued according to the law. If it constitutes a crime, criminal liability shall be pursued according to the law.


  (19) If any unit or individual invests in virtual currencies, Real World Asset Tokens, and related financial products against public order and good customs, the relevant civil legal actions shall be invalid, and any resulting losses shall be borne by them. If there are suspicions of disrupting financial order and jeopardizing financial security, the relevant departments shall deal with them according to the law.


  This notice shall enter into force upon the date of its issuance. The People's Bank of China and ten other departments' "Notice on Further Preventing and Dealing with the Risks of Virtual Currency Trading Speculation" (Yinfa [2021] No. 237) is hereby repealed.


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